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mgrouch authored Oct 27, 2024
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# M5Stack with AtomS3-Lite and M5Stack 4-20mA current sensors to NMEA-0183

M5Stack Analog to I2C Unit (4-20mA Input) connected to M5Stack AtomS3-Lite via i2c

Can be used with many industrial 4-20 mAmps current sensors.

Ex:
- Tank level

Generates NMEA-0183 XDR sentences (USB Serial with baud rate 4800) like this:

````
$BBXDR,X,132.0,L,ILLU*68
$BBXDR,X,128.0,L,ILLU*63
$BBXDR,X,128.0,L,ILLU*63
$BBXDR,X,136.0,L,ILLU*6C
$BBXDR,X,128.0,L,ILLU*63
$BBXDR,X,132.0,L,ILLU*68
$BBXDR,X,132.0,L,ILLU*68
$BBXDR,X,128.0,L,ILLU*63
$BBXDR,X,128.0,L,ILLU*63
$BBXDR,X,132.0,L,ILLU*68
````

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