UsbPot Page

UsbPot: USB Digital Potentiometer

This is a section about the UsbPot device.

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Feature 1

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Please consult the Eclectric website for more information about the UsbPot device and software. More info here - coming soon!

Feature 2

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Software

UsbPot GUI application (Windows)

A Graphical User Interface (GUI) software application is available for the UsbPot device, currently only supported for use on the following platforms:

• Windows 7, 64-bit or 32-bit
• Windows 10, 64-bit or 32-bit

Software installation (Windows)

The UsbPot GUI application installer package is a single Windows Installer (MSI) file, compatible with both Windows 7 and Windows 10, but please take care to download the correct installer package for your machine architecture (i.e. 64-bit / 32-bit).

Installation on Windows 7

System requirements: We recommend that your system is fully up to date, with at least Service Pack 1 installed.
Important: The UsbPot GUI application installer package includes a device driver for Windows 7 that is required for use with the GUI application and also for command line operation.

Installation on Windows 10

The UsbPot device is able to connect to Windows 10 without requiring a device driver from the GUI installation package. Therefore, if you only intend to connect to the UsbPot device using a Command Line Interface (CLI), Python script or Terminal Emulator (e.g PUTTY) then you do not need to install the GUI application.

Download latest Windows Installer MSI [UsbPot 0.0.13]

UsbPot GUI software application installer (includes device driver for Windows 7):

• 32bit direct download from eclectric.co.uk
• 64bit direct download from eclectric.co.uk

Command line operation

This is a section describing command line operation.

Command Line Interface (CLI)

Windows

C:\Users\Laptop>echo help > COM11

C:\Users\Laptop>echo 0x0800 > COM11

C:\Users\Laptop>echo 0x0800 > \\.\COM11

C:\Users\Laptop>echo "0x0800\r\n" > \\.\COM11

C:\Users\Laptop>echo "0x0800\r\n" > \\.\COM11

Linux

C:\Users\Laptop>echo help > COM11

C:\Users\Laptop>echo 0x0800 > COM11

C:\Users\Laptop>echo 0x0800 > \\.\COM11

C:\Users\Laptop>echo "0x0800\r\n" > \\.\COM11

C:\Users\Laptop>echo "0x0800\r\n" > \\.\COM11

Terminal Emulator

The UsbPot device can connect to any Terminal Emulator software application capable of connecting to a serial port e.g. PUTTY on Windows, Minicom/Screen on Linux.

Default serial port device connection parameters:

ECHO=ON     # Will echo each character sent to the device
PROMPT=ON   # Default prompt string: UsbPot>  

These parameters can be disabled if required by issuing the following commands:

UsbPot> echo off
ECHO=OFF

UsbPot> prompt off
PROMPT=OFF

Python

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AD5920 digital potentiometer

This is a section describing the AD5920 chip.

Specifications

Specifications1

1) Based on AD5292
2) 20k potentiometer (100k option)
3) USB controlled
4) USB powered (no other power source required)
5) 1,000V isolation
6) 1024 taps
7) 12V compliance wrt 0V pin
8) Rugged box / Bare PCB
9) Uses Windows Serial Drivers
10) Rugged Hot Pluggable – recoverable.
11) Command line or GUI supplied application
12) Windows or Linux (Command line only)
13) User programmable wiper position