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TechWiki
GW60 Rollo
- GW60 Superrollo
- Hardware
- Programming
- S/W extension
- TRADFRI Modul
- Modul H/W
- Programming
- Tools
- GW60 TRADFRI adapter
- Schematic
- Programming adapter
- Housing
- Integration
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tech:ut71
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Table of Contents
UT71B Interface
The digital multimeter series UT71 from Uni-Trend
provides a cheap measurement solution with reasonable accuracy. The set includes an USB Interface Cable and a Windows based software. Unfortunately the USB Interface doesn't work with Mac OSX. But the optical interface can be
| Qty | Part | Cost |
|---|---|---|
| 1 | PL2303HX or similar  | 3.00 € |
| 1 | IR-Fototransistor  | 0.10 € |
| 1 | IR-LED  | 0.10 € |
| 1 | 4k7  | 0.10 € |
| 1 | 1K0 | 0.10 € |
| 1 | PCB  | 0.50 € |
| 1 | Housing (3D print or laser cut)  | 0.50 € |
Schematic
The USB to Serial converter PL2303HX provides 4 wires for the signals GND, +5V, RxD and TxD as shown in the schematic The TxD diode is optional and not supported by the software.
Housing
I used a laser cut housing based on 2mm white acryl. The design was done with Inkscape.
Laser Cut
Software
The S/W is written with XOJO to support all major OS (Windows, OS X, Linux). As I have just now only a license for OS X I can't provide binaries for Windows and Linux.
The S/W has mainly the same functionality as the original one.
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tech/ut71.1420146454.txt.gz · Last modified: 2015/01/01 21:07 by bullar
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