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Std edition STM32 MiniPill LoRa v1.2
Profile：STM32 Low Power LoRa development board
License: CC-BY-NC-SA 3.0
Description
Universal useable MiniPill with LoRa capability
Using STM32L051C8T6 chip
Version 1.2: R2 to GND instead of VCC
for more information visit [https://www.iot-lab.org/blog/370/](https://www.iot-lab.org/blog/370/)
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 100nF | C1,C2,C3,C4,C5,C7 | C0603 | 6 |
| 2 | 10uF | C6 | C0805 | 1 |
| 3 | STLINK connector | P1 | HDR-6X1/2.54 | 1 |
| 4 | Header-Female-2.0_1x12 | P2,P3 | HDR-12X1/2.0 | 2 |
| 5 | BME280 sensor | P4 | HDR-6X1/2.54 | 1 |
| 6 | 100K | R1,R2 | R0603 | 2 |
| 7 | IPEX-4 | RF1 | IPEX-SMD_4P-L1.8-W1.7-LS2.0 | 1 |
| 8 | STM32L051C8T6 | U1 | LQFP-48_L7.0-W7.0-P0.50-LS9.0-BL | 1 |
| 9 | HOPERF RFM95 | U2 | HOPERF RMF95/96/97/98W | 1 |
| 10 | 20p | C8,C9 | 0603 | 2 |
| 11 | 10p | C10,C11 | 0603 | 2 |
| 12 | 1M | R4 | 0603 | 1 |
| 13 | 8MHz | X1 | OSC-SMD_4P-L5.0-W3.2-BL | 1 |
| 14 | 32.768KHz | X2 | OSC-SMD_L3.2-W1.5-L | 1 |
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