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Content 4/4

After having deployed a board with an attiny84 as cpu I built this one with an stm32l0 low power chip.

The attiny version runs for one year with 2 AAA batteries. This one should run just as long with only a button cell...


More details can be found on my github repo https://github.com/joba-1/STM32L0TTN

Bill of materials used in this project

ST32ML011F4P6 TSSOP20
1
RFM95(W) Lora board
1
Buttoncell clip (2032)
1
BME280 6-pin SPI board
1
0805 C 100nF
2
0805 R 1kOhm
1
0805 R 10kOhm
1
0805 Led
1
Sep 16,2020
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