It is quite simple device. The main chip is Vango V9821S – a single-phase energy metering SoC chip, then there is one EEPROM 24C04, optical isolation for S0, display and power supply circuitry and a display. There is no serial interface so no way how to get more data out of the device, only JTAG for programming.
Continue reading DDS518 teardownCategory Archives: Teardown
CometBlue teardown
Chips used:
Links
- https://github.com/xrucka/cometblue
- https://github.com/Hy3n4/ha-cc-cometblue
- https://www.torsten-traenkner.de/wissen/smarthome/heizung.php
- https://github.com/esphome/feature-requests/issues/485
- https://github.com/GrumpyMeow/esphome-components
- https://github.com/gnbl/sparmatic2011
- https://www.mikrocontroller.net/articles/Sparmatic_Heizungsthermostate
- https://blog.renekliment.cz/2015/11/termostaticka-hlavice-z-lidlu-s-atmega-169.html
- https://github.com/MrKrabat/Comet-Blue-Thermostat
