Simple wemos based barometer to send NMEA messages to wifi (UDP) or serial.
Creates a standard NMEA IIXDR message and calculates the checksum.
$IIXDR,P,1.02481,B,BARO*29| Requirement | Type |
|---|---|
| ESP8266 | Wemos D1 mini |
| Barometer | BMP280 |
| Buck Converter | Mini 560 |
| BMP280 | NodeMCU |
|---|---|
| VCC | 3.3v |
| GND | GND |
| SCL | D2 |
| SDA | D1 |