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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= [Feb 23, 2013]; S=5MB, 4000x3000; T=JPEG image [MIME:image/jpeg].

Rating: 53/100.

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).

  • opentrv = TRV, smart thermostatic radiator valve, heat zoning, soft heat zoning, wireless TRV, home automation = The OpenTRV Open-Source Thermostatic Radiator Valve project.

  • closeup = close-up/macro; tightly framed and imaged at a relatively large scale
  • front = face/heads of an object such as a ticket or coin


Preview Index

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  • OpenTRV ~ closeup 1 DHD.jpgOpenTRV ~ closeup 1 DHD.jpg
  • OpenTRV ~ closeup 2 DHD.jpgOpenTRV ~ closeup 2 DHD.jpg
  • OpenTRV ~ closeup 3 DHD.jpgOpenTRV ~ closeup 3 DHD.jpg
  • OpenTRV ~ closeup 4 DHD.jpgOpenTRV ~ closeup 4 DHD.jpg
  • OpenTRV ~ closeup 5 DHD.jpgOpenTRV ~ closeup 5 DHD.jpg
  • OpenTRV ~ closeup 6 DHD.jpgOpenTRV ~ closeup 6 DHD.jpg
  • OpenTRV ~ front closeup 11 DHD.jpgOpenTRV ~ front closeup 11 DHD.jpg
  • OpenTRV ~ front closeup 12 DHD.jpgOpenTRV ~ front closeup 12 DHD.jpg
  • OpenTRV ~ front closeup 13 DHD.jpgOpenTRV ~ front closeup 13 DHD.jpg
  • OpenTRV ~ front closeup 14 DHD.jpgOpenTRV ~ front closeup 14 DHD.jpg
  • OpenTRV ~ back closeup 15 DHD.jpgOpenTRV ~ back closeup 15 DHD.jpg
  • OpenTRV ~ back closeup 16 DHD.jpgOpenTRV ~ back closeup 16 DHD.jpg
  • OpenTRV ~ back closeup 17 DHD.jpgOpenTRV ~ back closeup 17 DHD.jpg
  • OpenTRV ~ back closeup 18 DHD.jpgOpenTRV ~ back closeup 18 DHD.jpg

About This Category

Energy, efficiency, conservation, renewables and related topics.

 


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