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Some connections that had been omitted were instated before these photos, including the ugly one on the back. For the circuit diagram and PICAXE BASIC program that it ran, see: https://sourceforge.net/p/opentrv/code-0/494/tree/trunk/PICAXE/DHD201302L0/hardware/snapshots/20130223-r493/
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(Energy Matters): OpenTRV prototype 20130220 V0p09 PICAXE 18M2 microcontroller DS18B20 temperature sensor DS1306 RTC RFM22B radio LDR USB powered on stripboard front closeup 11 DHD.jpg
D=2013-02-23 [Feb 23, 2013]; S=5MB, 4000x3000; T=JPEG image [MIME:image/jpeg].
Key: D= file date of exhibit; S= size in bytes, XxY pixels, etc; T= type of exhibit; L= location/time or viewpoint of exhibit (if known).
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|May 22, 2019 You may wish to use the Reload/Refresh button on your browser to ensure that this page is up-to-date.|
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