Description: This iot_battery_sensor board v2 is intended as piggyback/hat for the iot_lora board.
(see: iot_lora_v4)
Power alternatives are: CR2032/2xAAA controlled by TPS61291, TPL5111 and/or TPS22860.
The booster (TPS22860) can be bypassed.
BOM
1 x 10uF
1 x 3,3uH
1 x TPS61291
1 x 22uF
1 x TPS22860
3 x 0.1uF
1 x TPL5111
1 x 56K
1 x 10K
2 x 4K7
2 x pin header 1x1
2 x pin header 1x2
1 x pin header 1x4
1 x pin header 2x7
1 x AAA box (€0.57)
Connections for sensors are:
GPS6MV2, (€4.15)
BME680 (€9.03)
BME280 (€2.67)
BMP280 (€0.72)
BMP180 (€0.58)
MAX44009 (€1.54)
TMP35GT9Z (€1.25)
DS18B20 (€0.80)
ATTENTION: Added to version V1.1 are connections for the sensors CCS811 and MAX44009.
ATTENTION:The new board (v.2) is tested and works fine.
License: CC-BY 4.0