I have checked all connections, this didn't work, made also the changes as recommended, no result.
Hardware serial was also not the solution
I am afraid the sensor is broken.
Search found 4 matches
- 17 May 2019, 18:44
- Forum: ESP Easy: Hardware
- Topic: MHZ19B Unknown response
- Replies: 16
- Views: 9538
- 11 May 2019, 07:38
- Forum: ESP Easy: Hardware
- Topic: MHZ19B Unknown response
- Replies: 16
- Views: 9538
Re: MHZ19B Unknown response
Okay, but then i see different GPIO's.
Do i need to connect to D7 and D8 for example:
Do i need to connect to D7 and D8 for example:
- 10 May 2019, 20:05
- Forum: ESP Easy: Hardware
- Topic: MHZ19B Unknown response
- Replies: 16
- Views: 9538
Re: MHZ19B Unknown response
Hi Grovkillen,
I am quiet new with this type of sensors.
This is my first try from ali to do something selfmade.
Can you explain something on how to do this with hardware serial?
I am quiet new with this type of sensors.
This is my first try from ali to do something selfmade.
Can you explain something on how to do this with hardware serial?
- 10 May 2019, 19:43
- Forum: ESP Easy: Hardware
- Topic: MHZ19B Unknown response
- Replies: 16
- Views: 9538
MHZ19B Unknown response
Hi, I receive error below (ESPEASY log file). I have tried several things on different forum, but nothing works. Does someone has an idea? 153789: MHZ19: Unknown response: 0 0 0 0 0 0 0 0 0 153790: MHZ19: Init OK MHZ19b blinks now and then red. Wire scheme: Wemos D1 mini - MHZ19B 5V - Vin G - GND D7...