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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
This is an old revision of the document!
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 (very small piece)  | 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 (yet).
Housing
I used a laser cut housing based on 2mm white acryl. The design was prepared with Inkscape.
Assembly
Cut and engrave on you laser cut of choice. Prepare the small piece of PCB (perfboard)
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.
| Version | Remark | OS | File |
|---|---|---|---|
| V0.10 | Initial Version | Mac OS X 10.9+ | ut71ab_ifp_v010.zip |
Donate
If you like the software feel free to donate 
tech/ut71.1420147693.txt.gz · Last modified: 2015/01/01 21:28 (external edit)
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