Comments (2)
maarten-pennings
commented on July 23, 2024
Hi @hoangv, I'm a bit puzzled too, so allow me to ask some questions.
- you have an esp8266 and some ccs811 board
- you have 5 wires between the two boards: VDD to 3V3, GND to GND, SDA to D2, SCL to D1, and nWAKE to D3
- you run the standard ccs811basic.ino sketch without any modifications
- it does not work (you get ping failed)
- you change one wire (nWAKE to D3 into nWAKE to GND) and then it does work (no changes to the software)?
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hoangv
commented on July 23, 2024
Hi @maarten-pennings, yes that was the situation yesterday. This morning, I decided to start over with a new ESP8266 and rewired everything. nWake appears to be working as expected. I did not have a chance to troubleshoot further, but think it was either an issue with soldering, or with the ESP8266 module itself. Thanks again. Closing this out.
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