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Button Cell TTN Node Sensor for Temperature, Pressure and Humidity
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
Button Cell TTN Node Sensor for Temperature, Pressure and Humidity
Project images are for reference only. Actual production is based on the manufacturing files on the project page.
Please review the designer's notes (e.g., PCB thickness) and select the appropriate options.
PCBWay is not responsible
for issues caused by unsuitable parameter selections.
For more important ordering information, please refer to
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