Professional software developer and hobbyist electronics engineer
This user joined on 07/11/2019.
Desktop sensor/indicator of CO2 concentration level. ESP8266 + MH-Z19B + WS2812. https://en.ovcharov.me/2019/06/10/carbon-dioxide-sensor-mh-z19b-part-1/
Some time ago I have built LED Matrix clock. The device uses ESP8266 as processing module and receives accurate time from the NTP servers.
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