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The microcontroller FLASH normally contains a bootloader and OpenTRV firmware (similar to an Arduino). The bootloader allows the OpenTRV firmware to be updated with a serial cable. Connecting There are ...
- Last updated on Feb 18, 2017
All files used for this can be found here Aim Use cheap SDR dongles with OSS for ISM band radio development.
Using: rtl-sdr (rt2823 DVB-T dongle). GNU-Radio Gqrx librtlsdr Setup Setup was fairly painless. ...
- Last updated on Mar 22, 2017
OpenTRV currently uses Amtel AVR ATMEGA328P micro-controller - this generation of boards are known as V0p2 (v0.2). Features Up to 20Mhz 8-bit micro-controller 32KB Flash program memory 1KB EEPROM for persistent ...
- Last updated on Feb 18, 2017
There are two types of boiler controller: REV8 and REV10. Both have the main function of turning a boiler on and off in response to a call for heat from one of the paired OpenTRV devices. The boiler controller ...
- Last updated on Aug 18, 2018
Replacing batteries 1. Remove screws 2. Remove front panel 3. Remove batteries by levering them out with a flat implement. 4. Insert new batteries, with correct polarity. Follow the markings in the battery ...
- Last updated on Jan 10, 2018
Summary of the command line interface available on OpenTRV devices. Note that not all commands/outputs are available on all devices. Links to more detailed information are provided, where available. This ...
- Last updated on Nov 11, 2020
Data Formats Secure Sensors The secure sensors, for example the TRV units, report back their data to the Secure Stats Hub, which then reports that data on the serial interface as a JSON-encoded array. ...
- Last updated on Apr 15, 2020
Code and Design Reviews: Software, Electronics, Other 2016/06/21 Flow of control from valve to boiler call-for-heat via radio 'O' frames: https://docs.google.com/document/d/1wr5jMY09sOuGqa-ITq ...
- Last updated on Jun 21, 2016
Useful Things to add to the Wiki or Elsewhere REV11 Fixes Including Workaround for C11 Issue Would be nice to show people how to do the fixups. See errata for REV11: https://github.com/opentrv/OpenTRV-Arduino-V0p2/blob/master/Arduino/hardware/REV11/ERRATA.txt ...
- Last updated on Jul 12, 2017
Energy harvesting parameters based on measurements of TRV1.X Constants and Estimates Design parameters 90000 hr product lifetime (10 years). Top area ~20 cm^2 (based on a wild guess that the top is 5 cm ...
- Last updated on Apr 18, 2017