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STM32 MiniPill LoRa v1.2

1 year ago 2368
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Universal useable MiniPill with LoRa capability Using STM32L051C8T6 chip Version 1.2: R2 to GND instead of VCC for more information visit



PCB 4 Layer MiniPill LoRa v1.3


ID Name Designator Footprint Quantity
1 100K R2,R1 R0603 2
2 STLINK connector P1 HDR-6X1/2.54 1
3 BME280 sensor P4 HDR-6X1/2.54 1
4 10uF C6 C0805 1
5 HOPERF RFM95 U2 HOPERF RMF95/96/97/98W 1
6 STM32L051C8T6 U1 LQFP-48_L7.0-W7.0-P0.50-LS9.0-BL 1
7 Header-Female-2.0_1x12 P2,P3 HDR-12X1/2.0 2
8 100nF C4,C5,C2,C1,C7,C3 C0603 6




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Comments (2)

Lordcyber Reply

Vielen Dank genau das hab ich gesucht. Kommen da an VCC überall 3,3v an?

Leo Reply

@Lordcyber  Sorry, I do not look often at this site. I understand you want to know the voltage of this circuit. The nominal voltage is 3V3, but in the datasheet of the two part you can see the following: STM32L051: 1.65 V to 3.6 V power supply and the RFM95W: 1.8 to 3.7 V. So roughly you can apply 1.8 to 3.6 V. For example I do use the LS14500 cell to connect directly to this board and this works fine.

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