Joachim Banzhaf
GERMANY • + Follow
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Components
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ST32ML011F4P6 TSSOP20 |
x 1 | |
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RFM95(W) Lora board |
x 1 | |
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Buttoncell clip (2032) |
x 1 | |
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BME280 6-pin SPI board |
x 1 | |
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0805 C 100nF |
x 2 | |
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0805 R 1kOhm |
x 1 | |
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0805 R 10kOhm |
x 1 | |
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0805 Led |
x 1 |
Description
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
Sep 16,2020
1,354 views
Button Cell TTN Node Sensor for Temperature, Pressure and Humidity
2 Layers PCB 78.6 x 91.7 mm FR-4, 1.6 mm, 1, HASL with lead, Green Solder Mask, White silkscreen
A button cell powered sensor node sending weather data via The Things Network using LoraWAN
1354
0
1
Published: Sep 16,2020
Download Gerber file 5
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