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FTDI Dual Channel Serial Ports

 

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UnoProLogic USB-CPLD Development System

UnoProLogic2 Hardware Overview





UNOPROLOGIC USB-CPLD
DEVELOPMENT
SYSTEM


The UnoProLogic is an easy to use
CPLD development system. It includes
a four Channel ADC and built in
programmer


Purchase at these webstores:

DSO 100M Hardware Overview DSO 100M Hardware Overview DSO 100M Hardware Overview
The UnoProLogic makes programmable logic easy with an all
inclusive development platform. It includes an Altera 5M570 CPLD,
JTAG programmer, and a four channel ADC with 300KS/second sample rate.
You can create your HDL code, program it into the CPLD and interact with the hardware
via a Windows PC.

 

UnoProLogic2 Hardware Overview
EPT-5M57-AP-U2 Block Diagram


Hardware Features:

  • Four Channel ADC with 300KS/second
  • Altera 5M570 CPLD with 440 MacroCells
  • 66 MHz Oscillator
  • FTDI FT2232H High Speed USB data transfer
  • 24 User I/O’s with 3.3/5 Volts Selection
  • Four Green LED’s
  • Two PCB switches
The UnoProLogic DVD provides detailed step by step instructions
to quickly guide the user to create a project. The entire Quartus II software
is included on the DVD. This let’s you bypass the lengthly download process involved
in getting the 4.6 GB file. Once the Quartus software is on your desktop, we will show you how
to create a project, write you first LED blinky code, compile and program the CPLD.
  • Beginners CPLD Development User Manual, includes step by step guide to
    building your first programmable logic project
  • Programming of CPLD from Quartus II Software
  • High Speed Data Transfer for Your Arduino or any microcontroller
  • High Speed Clock Available
  • No USB Driver Programming

EPT Quartus Project

Programming the CPLD

The CPLD on the UnoProLogic can be programmed with the code created by the user. Programming is quick and easy. All that is required is a standard USB cable with a Mini B connector and the Quartus Software installed on the PC. There are no extra parts to buy – just plug in the USB cable and connect the UnoProLogic to the PC


Arduino Compatibility

The UnoProLogic has four stackable headers that positioned to allow connection with the Arduino Uno. You can use the CPLD to perform high speed communications, multi sensor fusing or extra storage capacity.

EPT Quartus Project

Connecting To Hobby Electronics Made Easy

The UnoProLogic easily connects to other Hobby Electronics. The durable 74LVC82245 Bus Transceivers allow up to 50mA per Output on the Stackable Headers. This kind of power can drive all kinds of electronics such as long distance cables, LEDs, and high speed electronics.

 The UnoProLogic2 Introduction

Programmable Logic Code Development

It also provides a high speed data transfer mechanism
between an Arduino board and a host PC. The EPT USB-CPLD
development system provides a convenient, user-friendly
work flow byconnecting seamlessly with Altera’s Quartus II
software. The user will develop the code in the Quartus
environment on a Windows Personal Computer. The programmable
logic code is loaded into the CPLD using only the Quartus Programmer
tool and a standard USB cable. The Active Host SDK provides
a highly configurable communications interface between
Arduino and host. It connects tsransparently with the Active
Transfer Library in the CPLD code. This Active Host/Active
Transfer combination eliminates the complexity of designing
a USB communication system. No scheduling USB transfers,
USB driver interface or inf file changes are needed.
The EPT USB-CPLD development systemis a unique
combination of hardware and software.

 

Use the C# examples included in the DVD to create your own display Window on the PC.The user comes complete with tutorial to instruct the user to easily build a Windows program that can display any data from your Arduino or other electronic device. The C# interface uses similar function calls to the Arduino function calls.

 

4 Channel Analog to Digital Converter

Examine four analog channels running up to 300 KSamples/second. The hardware
has been simplified to remove extra cost. The input signals are limited to 0 to +5Volts
and the sample rate is shared across all four channels. If you run one channel only, it will
take advantage of the 300KSamples/second. If you run four channels, each channel will have
a maximum sample rate of 75 KSamples/second.

 


The UnoProLyzer Application

The UnoProLyzer is an Open Source Oscilloscope Application created by Earth People Technology. This application runs on a Windows PC. It sends commands to and receives the data from the UnoProLogic and stores each channel data in its own separate buffer in memory. The UnoProLyzer collects all samples from each channel by streaming across up to four dedicated communication “pipes”. The traditional USB oscilloscope performs all of its functions down at the hardware level. This includes

 

  • Collecting samples
  • Setting trigger level
  • Detecting the trigger
  • Storing samples
  • Post processing samples
  • Smoothing algorithms
  • Sorting algorithms
  • Scaling and Searching
These scopes will then send the selected data to be displayed on a laptop. Effectively using the laptop as a dumb terminal. However, the modern laptop is extremely powerful with multi-core processors and multi-threaded operating systems. So, why not take advantage of the processing power on the laptop. This is what the UnoProLogic and UnoProLyzer do so well. The UnoProLogic commands the ADC to start a conversion on the channels selected by the user. It then waits for the ADC to complete the conversion on all channels. It transfers the data for each channel across its own dedicated communication pipe. Then starts the process over again. The UnoProLyzer application will accept each data word and decode the pipe number it came across. It stores each word into a separate buffer for each channel. The UnoProLyzer then performs post processing on each data word. It performs trigger detection, smoothing, sorting, scaling and searching. It then displays the data set in 500 data point segments.

 

Programming Features:

  • Use Active Host API to send/receive data to/from the CPLD
  • Create dynamic/interactive applications between the Arduino and the Windows PC.

Kit Contents

UnoProLogic kit contains the UnoProLogic and a DVD which includes
the User Manual that walks the user through setting up the drivers, software,
how to use to the test application. There is also a full tutorial in writing your
first CPLD project, C# application and Arduino code. All the code for the
projects are included.

Downloads

85-000010 Arduino Uno USB/PLD Development System User Manual UNO2_USB_CPLD_DEV_SYS_UM.pdf
95-000010 Arduino Uno USB/PLD Development System Data Sheet UNO_USB_CPLD_DEV_SYS_DS.pdf
45-000010 Arduino Uno USB-CPLD Development System Project DVD UNO_USB_CPLD_PROPJECT_DVD
55-000010 Arduino Uno USB-CPLD Development System Schematics UNO2_USB_CPLD_SCHEMATICS.PDF
35-000001 EPT Drivers EPT_2.08.24.ZIP
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MegaProLogic Development Board for Arduino 2560 Mega

MegaProLogic CPLD Development System





The MegaProLogic is an easy to use
CPLD development system.


Purchase at these webstores:

DSO 100M Hardware Overview DSO 100M Hardware Overview DSO 100M Hardware Overview
The MegaProLogic makes programmable logic easy with
an all inclusive development platform. It includes
an Altera 5M570 CPLD, JTAG programmer, and a 32 General
Purpose Inputs/Outputs. You can create your HDL code,
program it into the CPLD and interact with the hardware
via a Windows PC.

 

MegaProLogic Hardware Overview

EPT-5M57-AP-U2 Block Diagram


Hardware Features:

  • Intel/Altera 5M570 CPLD with 440 MacroCells
  • 66 MHz Oscillator
  • FTDI FT2232H High Speed USB data transfer
  • 32 User I/O’s with 3.3/5 Volts Selection
  • Four Green LED’s
  • Two PCB switches
The MegaProLogic DVD provides detailed step by step
instructions to quickly guide the user to create a
project. The entire Quartus Prime Lite software
is included on the DVD. This let’s you bypass the
lengthly download process involved in getting
the 3.6 GB file. Once the Quartus software is
on your desktop, we will show you how to create
a project, write you first LED blinky code,
compile and program the CPLD.
  • Beginners CPLD Development User Manual,
    includes step by step guide to
    building your first
    programmable logic project
  • Programming of CPLD from Quartus
    Prime Lite Software
  • High Speed Data Transfer from any
    electronics
  • High Speed Clock Available
  • No USB Driver Programming

EPT Quartus Project

Programming the CPLD

The CPLD on the MegaProLogic can be programmed with
the code created by the user. Programming is quick
and easy. All that is required is a standard USB
cable with a Micro B connector and the Quartus Software
installed on the PC. There are no extra parts to buy –
just plug in the USB cable and connect the MegaProLogic to the PC



 
 
EPT Quartus Project
 
 

Connecting To Hobby Electronics Made Easy

The MegaProLogic easily connects to other Hobby Electronics.
The durable 74LVC82245 Bus Transceivers allow up to 50mA
per Output on the Stackable Headers. This kind of power
can drive all kinds of electronics such as long distance
cables, LEDs, and high speed electronics.

Programmable Logic Code Development

It also provides a high speed data transfer mechanism
between the MegaProLogic board and a host PC. The MegaProLogic
development system provides a convenient, user-friendly
work flow by connecting seamlessly with Altera’s Quartus Prime
Lite software. The user will develop the code in the Quartus
environment on a Windows Personal Computer. The programmable
logic code is loaded into the CPLD using only the Quartus Programmer
tool and a standard USB cable. The Active Host SDK provides
a highly configurable communications interface between
CPLD and host. It connects transparently with the Active
Transfer Library in the CPLD code. This Active Host/Active
Transfer combination eliminates the complexity of designing
a USB communication system. No scheduling USB transfers,
USB driver interface or inf file changes are needed.
The MegaProLogic development systemis a unique
combination of hardware and software.

 

Use the C# examples included in the DVD to create your
own display Window on the PC.The user comes complete with
tutorial to instruct the user to easily build a Windows
program that can display any data from user code or other
electronic device. The C# interface uses similar function
calls to the Arduino function calls.

 

Programming Features:

  • Use Active Host API to send/receive data
    to/from the CPLD
  • Create dynamic/interactive applications
    between the User Code and the Windows PC.

Kit Contents

MegaProLogic kit contains the MegaProLogic and a DVD which
includes the User Manual that walks the user through
setting up the drivers, software, and the
test application. There is also a full tutorial in
writing your first CPLD project and C# application.
All the code for the projects are included.

Downloads

85-000040 MegaProLogic CPLD Development System User Manual MEGA_USB_PLD_DEV_SYS_UM.pdf
95-000040 MegaProLogic CPLD Development System Data Sheet MEGA_USB_CPLD_DEV_SYS_DS.pdf
45-000040 MegaProLogic CPLD Development System Project DVD MEGAPROLOGIC_USB_CPLD_PROJECT_2.6_DVD
55-000040 MegaProLogic CPLD Development System Schematics MEGAPROLOGIC_SCHEMATICS.PDF
35-000001 EPT Drivers EPT_2.08.24.ZIP
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EPT-220X-DB-U2 SPI Slave Communications Board for Arduino Uno

EPT-220X-DB-U2


The EPT 220X-DB-U2 is designed to support the Uno board of the Arduino Open source Prototyping Platform. The Uno can communicate as an SPI Master to an SPI Slave device. The EPT 220X-DB-U2 is a USB to Slave SPI device. This will allows users to communicate from the Arduino Uno board to the PC over SPI. Use the Active Host API to quickly and easily create a simulated SPI sensor on the PC. Use the simulated SPI Sensor to debug your Arduino SPI Master commnication code.

SPI Sensor Simulator


The EPT-220X-DB-U2 Requires the use of a USB Mini Type B cable. EPT recommends the EPT-USB-AM-MB cable.

Features:


 

  • Uses FTDI 220X IC Chip
  • USB to Slave SPI Interface
  • Data transfer rates to 500 Kbytes/sec
  • +5V I/O compatible
  • Supported by Active Host API

Downloads

85-000003 UNO SPI Slave to USB User Manual UNO_SPI_USB_UM.pdf
95-000003 UNO SPI Slave to USB Data Sheet UNO_SPI_USB_DS.pdf
45-000003 UNO SPI Slave Project CD UNO_SPI_PROJECT_CD.ZIP
35-000001 EPT Drivers EPT_2.08.24.ZIP
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EPT-201X-DB-M4 I2C Slave Communications Board for the Arduino 2560 Mega

EPT-201X-DB-M4 and I2C Slave Communications Board


The EPT-201X-DB-M4 is designed to support the Uno board of the Arduino Open source Prototyping Platform. The Mega can communicate as an I2C Master to an I2C Slave device. The EPT-201X-DB-M4 is a USB to Slave I2C device. This will allows users to communicate from the Arduino Mega board to the PC over I2C. Use the Active Host API to quickly and easily create a simulated I2C sensor on the PC. Use the simulated I2C Sensor to debug your Arduino I2C Master communication code.

 

The EPT-201X-DB-M4 I2C Slave Communications Board can communicate directly with Hyper Serial Port to provide a serial terminal for debugging the Arduino I2C Master communications. You can easily create your own I2C communications and debug it using the EPT-201X-DB-M4.

SPI Sensor Simulator


The EPT-201X-DB-M4 Requires the use of a USB Mini Type B cable. EPT recommends the EPT-USB-AM-MB cable.

Features:

  • Uses FTDI 201X IC Chip
  • USB to Slave I2C Interface
  • Up to 3.4 MHz, high speed mode, I2C supported
  • +5V I/O compatible
  • Supported by Active Host API

Downloads

85-000006 MEGA I2C Slave to USB User Manual MEGA_I2C_USB_UM.pdf
95-000006 MEGA I2C Slave to USB Data Sheet MEGA_I2C_USB_DS.pdf
45-000006 MEGA I2C Slave Project CD MEGA_I2C_PROJECT_CD.ZIP
35-000001 EPT Drivers EPT_2.08.24.ZIP
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EPT 201X-DB-U2 I2C Slave Communications Board for the Arduino Uno

EPT 201X-DB-U2 I2C Slave Communications Board

 

The EPT 201X-DB-U2 is designed to support the Uno board of the Arduino Open source Prototyping Platform. The Uno can communicate as an I2C Master to an I2C Slave device. The EPT 201X-DB-U2 is a USB to Slave I2C device. This will allows users to communicate from the Arduino Uno board to the PC over I2C. Use the Active Host API to quickly and easily create a simulated I2C sensor on the PC. Use the simulated I2C Sensor to debug your Arduino I2C Master communication code.

SPI Sensor Simulator


The EPT 201X-DB-U2 I2C Slave Communications Board can communicate directly with HyperSerialPortTM to provide a serial terminal for debugging the Arduino I2C Master communications. You can easily create your own I2C communications and debug it using the EPT 201X-DB-U2.

 

The EPT-201X-DB-U2 Requires the use of a USB Mini Type B cable. EPT recommends the EPT-USB-AM-MB cable.

Features:

  • Uses FTDI 201X IC Chip
  • USB to Slave I2C Interface
  • Up to 3.4 MHz, high speed mode, I2C supported
  • +5V I/O compatible
  • Supported by Active Host API

 

Downloads

85-000005 UNO I2C Slave to USB User Manual UNO_I2C_USB_UM.pdf
95-000005 UNO I2C Slave to USB Data Sheet UNO_I2C_USB_DS.pdf
45-000005 UNO I2C Slave Project CD UNO_I2C_PROJECT_CD.ZIP
35-000001 EPT Drivers EPT_2.08.24.ZIP
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EPT-220X-DB-M4 SPI Slave Communications Board for Arduino 2560 Mega

EPT-220X-DB-M4 and SPI Slave Communications Board


The EPT-220X-DB-M4 is designed to support the Uno board of the Arduino Open source Prototyping Platform. The Mega can communicate as an SPI Master to an SPI Slave device. The EPT-220X-DB-M4 is a USB to Slave SPI device. This will allows users to communicate from the Arduino Mega board to the PC over SPI. Use the Active Host API to quickly and easily create a simulated SPI sensor on the PC. Use the simulated SPI Sensor to debug your Arduino SPI Master communication code.

 

The EPT-220X-DB-M4 SPI Slave Communications Board can communicate directly with Hyper Serial Port to provide a serial terminal for debugging the Arduino SPI Master communications. You can easily create your own SPI communications and debug it using the EPT-220X-DB-M4.

SPI Sensor Simulator


The EPT-220X-DB-M4 Requires the use of a USB Mini Type B cable. EPT recommends the EPT-USB-AM-MB cable.

Features:

  • Uses FTDI 220X IC Chip
  • USB to Slave SPI Interface
  • Data transfer rates to 500 Kbytes/sec
  • +5V I/O compatible
  • Supported by Active Host API

 

Downloads

85-000005 MEGA SPI Slave to USB User Manual MEGA_SPI_USB_UM.pdf
95-000005 MEGA SPI Slave to USB Data Sheet MEGA_SPI_USB_DS.pdf
45-000004 MEGA SPI Slave Project CD MEGA_SPI_PROJECT_CD.ZIP
35-000001 EPT Drivers EPT_2.08.24.ZIP
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EPT 232R-US-R1 USB to Serial 1 meter cable


The TRX-1226 USB to Serial cable
Virtual COM Port
Premium Quality, Gold PLated Connectors, Tough Rubber Exterior

 



The TRX-1226 USB to Serial cable is a complete solution in adapting legacy serial devices with RS232 interfaces to modern USB ports. Each TRX-1226 adapter contains a small internal electronic circuit board which utilises the FTDI FT232R chip, mounted inside a rugged plastic enclosure capable of withstanding industrial temperature ranges.

 

The Cable incorporates a standard USB-A device connector for connection to an upstream host or hub port. RS232-level signals, including modem handshake signals, are available on an industry-standard DB-9 Male connector. The maximum RS232-level data rate is 0.5 MBaud. The TRX-1226 adapter cable requires USB device drivers, available from www.earthpeopletechnology.com/resources/drivers, which are used to make the EPT 232R-US-R2 appear as a Virtual COM Port (VCP). This allows existing serial communications software, such as HyperSerialPort, to exchange data through the TRX-1226 to a legacy RS232 peripheral device.


Features:


  • Adds one RS-232 serial port by connecting to USB
  • Fully supported by HyperSerialPort TM
  • Side-lit blue RXD and TXD traffic indicators
  • Enhanced RS232 transceiver gives serial port speed of up to 0.5 MBaud
  • Easy Plug and Play VCP drivers
  • Fully compliant with USB 2.0
  • On Board FIFO’s: 128 byte transmit buffer, 256 byte receive buffer

Downloads

85-000007 UNO USB/PLD Development System User Manual USB to Serial User Manual
95-000007 UNO USB/PLD Development System DataSheet USB to Serial Data Sheet
35-000001 EPT Drivers CDM20824_SETUP.EXE
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EPT USB-AM-MB USB Mini Type B cable

EPT USB-AM-MB USB Mini Type B cable

 

The EPT-USB-AM-MB USB cable provides connection between the USB port on a PC and the EPT USB boards. It is USB 2.0 compliant and capable of transferring data at 480 Mbits/sec. The cable is three feet in length and includes a Type Male connector for the PC and a Mini Type B connector for the Device.


Features:


  • Fully compliant with USB 2.0
  • A Male to Mini B Male
  • 3.00 feet in length
  • Shielded cable
  • ROHS compliant

Downloads

95-000008 USB Mini B Cable Data Sheet USB_MINI_B_DS.pdf
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VisiPort2 FTDI Breakout Board

This page is for
US Customers only.
For International
ordering please

see our webstore on

Tindie.com

The VisiPort2 is a USB To Serial Breakout Board.  Based on the FT232R Chip, it’s designed to program Arduinos. Its small size allows it to fit into bread board applications where other programmers are too big and bulky.

 

 

 

 

The VisiPort2 programs the Mini Pro














It is designed to program Arduinos.

Its six pin female header connects easily to a Mini Pro with no bread board needed. It has one green LED that indicates power is applied to the FTDI chip. There are two amber LEDs to indicate when Tx and Rx are active.

VisiPort2 Connecting to Mini Pro 001

The VisiPort2 works with 5Volt and 3.3Volt Arduinos

Use the three pin jumper in the upper right corner to select I/O voltage of the VisiPort2. This selection allows compatibility with all Arduinos.



EPT_230_XM_S2 Video 5V-3p3V Selectionr



The VisiPort2 Uses a Micro USB Connector

The Micro USB connector is lower profile and allows cables to connect into the center of the VisiPort2. This keeps the overall size smaller than any other programmer.

EPT_230_XM_S2 Video MicroUSB Connector







 

 

 

 

 

 

 

What’s the difference between VisiPort2 and other programmers?

  • We made the VisiPort2 as compact as physically possible
  • We used a Micro USB connector instead of the Mini USB
  • The VisiPort2 is compatible with 5V or 3.3V Arduinos
  • The VisiPort2 can power your board up to 280 mAs at 3.3V or 480 mAs at 5V
  • We gave the VisiPort2 jumper selectable DTR or RTS reset capability
  • We also gave the VisiPort2 a USB disconnect switch which allows you to turn off the serial port path to the PC and communicate over the serial port to any device with removing the USB cable.

The VisiPort is the perfect tool for debugging microcontrollers. Use it to download your compiled hex file to the flash (using the bootloader of the microcontroller). Use it to communicate with your code and provide debug information about the execution process.

 

 

 

 

 

 

Hardware Features:


  • FTDI FT232R USB To Serial Chip
  • User Selectable +3.3V and +5V Inputs/Outputs
  • Provides up to 450 mA of power for your Arduino
  • User Selectable RTS/DTR for programming Arduinos

Programming Features:

  • 100% Compatible with all versions of the Arduino Software
  • 100% Compatible with all Serial Monitors
  • Uses the latest FTDI Driver, Ver 2.12

Downloads

85-000009 VisiPort2 User Manual VISIPORT2_UM.pdf
95-000009 VisiPort2 DataSheet VISIPORT2_DS.pdf
45-000009 VisiPort2 Project CD VISIPORT_PROJECT_CD.ZIP
55-000009 VisiPort2 Schematics VISIPORT2_SCHEMATICS.PDF
35-000001 CDM Drivers CDM_2.12.00.EXE
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USB Micro B Cable

EPT-218-UC-R2 USB Micro Type B cable

 


USB 2.0 A Male to Micro-B Male 28/24 AWG High-Speed Shielded Data & Charging Cable 

High Performance USB 2.0 Micro B Cable

The EPT-218-UC-R2 USB cable provides connection between the USB port on a PC and the EPT USB boards. It is USB 2.0 compliant and capable of transferring data at 480 Mbits/sec. The cable is three feet in length and includes a Type Male connector for the PC and a Micro Type B connector for the Device.





Features:

  • Top/premium quality, flexible & durable. 
  • Outstanding micro-USB retention, snug fit/no wiggle (unlike others on eBay that have been compared).
  • Molded connector hood for strain relief.
  • This standard uUSB micro-USB works with many cell phones and small electronic devices – Droid, HTC and many others.
  • 2A+ charging.
  • 5 pin
  • Black
  • Cable 122cm AWM 2725 braid & foil shield, drain wire, 28AWG/1P 24AWG/2C, 4.6m diameter
  • RoHS & Lead-Free
  • Twist tied in PE bag
  •  ~45g (1.6oz)

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TMP102 Uno Docking Board

TMP102 Temperature Sensor Docking Board





TMP102 TEMPERATURE SENSOR
DOCKING BOARD


The TMP102 Temperature Sensor Docking Board
Quickly and easily connects the TMP102 to
the Arduino Uno platform

The EPT-200TMP-TS-U2 is a temperature sensor mounted on a docking board.
The board is designed to fit onto the Arduino Uno platform. It is compatible
with the +5V Arduino’s and requires no external hook wires. Just plug the
EPT-200TMP-TS-U2 into the Arduino and load the code. The TMP102 temperature
sensor power and communications are provided by the docking board connectors
from the Arduino.

 

UnoProLogic2 Hardware Overview

The EPT-200TMP-TS-U2 is designed for applications that require a robust
connection between the sensor and the Arduino platform. These are applications
where a bread board and hook up wires could fail. Applications where the boards
are subject to vibrations such as robots or industrial environments. The
EPT-200TMP-TS-U2 sensor and docking board provides a tight coupling of the board
to the Arduino platform.


Hardware Features:

  • Uses the TMP102 Sensor from Texas Instruments
  • Robust connection with Arduino Platform
  • 12-bit, 0.0625°C resolution
  • Typical temperature accuracy of ±2.0°C
  • +3.3V sensor
  • Compatible with +3.3V or +5V Arduinos
  • Arduino Stackable Headers allows shield stacking
This docking board is based on the TMP102 Temperature Sensor chip
from Texas Instruments. It can measure the ambient temperature between
-25℃ to +85℃. The temperature is measured with an accuracy of ± 2.0℃
across the temperature range. The TMP102 is capable of reading temperatures
to a resolution of 0.0625°C

The docking board provides a robust method (also convenient for connections)
to connect the TMP102 to an array of Arduino boards. It is compatible
with both +3.3V and +5V Arduinos. There is a power indicator Green LED,
and a user Green LED. It has stackable Headers that allow the board to
plug into an Arduino and allow other boards to stack on top of it.

EPT-200TMP-TS-U2 with Arduino

Coding the Arduino to measure the temperature from the TMP102 is
made quite easy using the “Wire” library. All functions required to
communicate with the sensor are included in the library. This docking
board can be set up and displaying temperature in only a few minutes.
See the TMP102 Temperature Sensor Docking Board Project DVD below
for an Arduino sketch that is complete and ready to take measurements.

Downloads

85-000010 TMP102 Temperature Sensor Docking Board User Manual TMP102_TEMP_DOCK_UM.pdf
95-000010 TMP102 Temperature Sensor Docking Board Data Sheet TMP102_TEMP_DOCK_DS.pdf
45-000010 TMP102 Temperature Sensor Docking Board Project DVD TMP102_TEMP_SENSOR_PROJECT_DVD
55-000010 TMP102 Temperature Sensor Docking Board Schematics EPT_200TMP_TS_U2_SCHEMATICS.PDF
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EPT-4901-DA-S1 DAC Board

DSO 100M Development System





Purchase at these webstores:

DSO 100M Hardware Overview DSO 100M Hardware Overview DSO 100M Hardware Overview


The DSO 100M is a Complete Open
Source Digital Storage Oscilloscope
Development System. It Includes
Four Channels of Analog Input With
a Dedicated 80 MHz Sampling Rate
per Channel

The Earth People Technology DSO 100M development
system is a fully functional USB Digital Storage
Oscilloscope. It was designed to be open, flexible and
easy to modify. This Open Source Development System
allows the user to understand the basics of the typical
DSO. All source code along with compiled projects are
made available. The user can modify the Verilog code
in the FPGA as well as the C# project known as the
UnoProlyzer.
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EPT-4901-DA-S1 DAC Board

EPT-4901-DA-S1 DAC Board Hardware Overview





EPT-4901-DA-S1
Digital To Analog Converter Board


The EPT-4901-DA-S1 is an easy to use
DAC Board. It includes
an eight bit DAC and convinient
Bread Board connections


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DSO 100M Hardware Overview DSO 100M Hardware Overview DSO 100M Hardware Overview
This DAC board features the MCP4091 Eight bit Digital to Analog chip. It is designed to fit into a bread board and connect to any Arduino board. The chip operates from a single 2.7V to 5.5V supply with an SPI compatible Serial Peripheral Interface. So, it can accommodate the +3.3V and +5V Arduinos such as the Mini, Mini Pro, Nano.

 

DAC Board Hardware Overview


Hardware Features:

  • Uses the SPI interface accessible by Arduino Libraries
  • 8-bit, Rail to Rail, Voltage Output DAC
  • Fast Settling Time of 4.5 µs
  • Compatible with +3.3V or +5V interface
  • 8Mb Flash chip utilized in +5V mode only
  • Convenient Bread Board Connectors SMT mounted on bottom
  • Green LED Power Indicator
The EPT-4901-DA-S1 contains a MCP4091 DAC chip. The board can be used to generate any analog voltage from ground to VREF. VREF is determined by a voltage divider using a potentiometer. The potentiometer allows VREF to vary from zero volts to VCC. VCC is determined by the voltage used to power the EPT-4901-DA-S1. The DAC will accept any input digital value from zero to 255 and convert this value to analog. However, VREF determines the step size of each digital value.

Digital to Analog Converter

The MCP4901 is a single channel 8-bit buffered voltage output Digital-to-Analog Converter (DAC). The devices operate from a single 2.7V to 5.5V supply with an SPI compatible Serial Peripheral Interface. The user can configure the full-scale range of the device to be VREF or 2*VREF by setting the gain selection option bit (gain of 1 of 2).
The device be can shut down by setting the Configuration Register bit. In Shutdown mode, most of the internal circuits are turned off for power savings, and the output amplifier is configured to present a known high resistance output load (500 kΩ typical).
The device include double-buffered registers, allowing synchronous updates of the DAC output using the LDAC pin. These devices also incorporate a Power-on Reset (POR) circuit to ensure reliable powerup.
The device utilizes a resistive string architecture, with its inherent advantages of low Differential Non-Linearity (DNL) error and fast settling time. This device is specified over the extended temperature range (+125°C).


VREF Potentiometer

The EPT-4901-DA-S1 board includes a 20K potentiometer. This pot forms a voltage divider with a second resistor to vary the voltage applied to VREF. This varied voltage provides an amplitude control for the Analog Out voltage.

Schematic

By varying the VREF, the accuracy of the DAC can be improved. This is because the analog output step size between each DAC digital word is reduced. For example, if the VREF is set to 5V, the analog output step size is 5V/256 (Digital Steps) = 0.0195V per step. If the VREF is set to 2.5V, the analog output step size is 2.5V/256 (Digital Steps) = 0.00976V per step. The smaller the analog step size (or quanta), the more accurate the analog signal can be.

Downloads

85-000010 MCP4901 Digital To Analog Converter Board User Manual EPT_4901_DAC_UM.pdf
95-000010 MCP4901 Digital To Analog Converter Board Data Sheet EPT_4901_DAC_DS.pdf
45-000010 MCP4901 Digital To Analog Converter Board Project DVD EPT-4901-DAC-PROPJECT_DVD
55-000010 MCP4901 Digital To Analog Converter Board Schematics EPT_4901_DA_SCHEMATICS.PDF
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