# LoRa Leak Sensor Reference Design 7K6y c20c ## Description This project is a LoRa-based leak sensor reference design. It incorporates an STM32 MCU and a RFM95W LoRa module #LoRa #STM32 #ARM #referenceDesign #simple-embedded #raspberrypi #template #reference-design ## Project Details - **Owner:** sassikhouloud - **Created:** 3/22/2024 - **Last Updated:** 3/22/2024 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ - **Copies:** 4 ## Key Components ### BATT1 — [1070TR](https://www.flux.ai/jharwinbarrozo/1070tr.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/M65p5.pdf - Manufacturer Name: Keystone Electronics - Manufacturer Part Number: 1070TR - Voltage: 3V **Pins:** - - - + ### J1 — [B2B-PH-SM4-TB(LF)(SN)](https://www.flux.ai/jecstronic/b2b-ph-sm4-tblfsn.md) - Part Type: Connector - Manufacturer Name: JST Sales America Inc. - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/ePH.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: JST Sales America Inc. **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] ### J2 — [ARM JTAG SWD 10Pin 0.05" Connector](https://www.flux.ai/vasy_skral/arm-jtag-swd-10pin-005-connector.md) - Part Type: Connector - Datasheet URL: https://suddendocs.samtec.com/catalog_english/ftsh_smt.pdf - Manufacturer Name: Analog Devices - Manufacturer Part Number: FTSH-105-01-L-DV-007-K **Pins:** - ~RESET~ [pin 10] - GND [pin 5] - GND [pin 3] - GNDDetect [pin 9] - NC/TDI [pin 8] - SWDCLK/TCK [pin 4] - SWDIO/TMS [pin 2] - SWO/TDO [pin 6] - VTref [pin 1] ### J3 — [S4B-PH-SM4-TB(LF)(SN)](https://www.flux.ai/jecstronic/s4b-ph-sm4-tblfsn.md) - Manufacturer Name: JST Sales America Inc. - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: S4B-PH-SM4-TB(LF)(SN) - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/ePH.pdf **Pins:** - PIN_1 [pin 1] - PIN_2 [pin 2] - PIN_3 [pin 3] - PIN_4 [pin 4] ### J4 — [SMD SMA](https://www.flux.ai/vasyl/smd-sma.md) - Part Type: Integrated Circuit **Pins:** - ~ [pin 2] - ~ [pin 1] ### LED1 — [LTST-C19HE1WT](https://www.flux.ai/vasy_skral/ltst-c19he1wt.md) - Manufacturer Part Number: 19-237/R6GHBHC-A04/2T - Datasheet URL: https://datasheet.lcsc.com/lcsc/2010222107_Everlight-Elec-19-237-R6GHBHC-A04-2T_C883183.pdf - Manufacturer Name: Everlight Elec - Part Type: LED **Pins:** - A - B - G - R ### U1 — [STM32L031G6U6S](https://www.flux.ai/vasyl/stm32l031g6u6s.md) - Manufacturer Name: STMicroelectronics - Manufacturer Part Number: STM32L031G6U6S - Datasheet URL: https://www.st.com/resource/en/datasheet/stm32l031c6.pdf - Part Type: Microcontroller **Pins:** - BOOT0 [pin 1] - NRST [pin 4] - P14 [pin 22] - PA0 [pin 6] - PA1 [pin 7] - PA10 [pin 20] - PA13 [pin 21] - PA14 [pin 23] - PA2 [pin 8] - PA3 [pin 9] - PA4 [pin 10] - PA5 [pin 11] - PA6 [pin 12] - PA7 [pin 13] - PA8 [pin 18] - PA9 [pin 19] - PB0 [pin 14] - PB1 [pin 15] - PB3 [pin 24] - PB4 [pin 25] - PB5 [pin 26] - PB6 [pin 27] - PB7 [pin 28] - PC14 [pin 2] - PC15 [pin 3] - VDD [pin 17] - VDDA [pin 5] - VSS [pin 16] ### U2 — [RFM95W-915S2](https://www.flux.ai/vasyl/rfm95w-915s2.md) - Part Type: RF module - Manufacturer Part Number: RFM95W-915S2 - Datasheet URL: https://cdn.sparkfun.com/assets/learn_tutorials/8/0/4/RFM95_96_97_98W.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Hoperf letrnc **Pins:** - 3.3V [pin 13] - ANT [pin 9] - DIO0 [pin 14] - DIO1 [pin 15] - DIO2 [pin 16] - DIO3 [pin 11] - DIO4 [pin 12] - DIO5 [pin 7] - GND [pin 8] - GND [pin 10] - GND [pin 1] - MISO [pin 2] - MOSI [pin 3] - NSS [pin 5] - RESET [pin 6] - SCK [pin 4] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/sassikhouloud/lora-leak-sensor-reference-design-7k6y-c20c](https://www.flux.ai/sassikhouloud/lora-leak-sensor-reference-design-7k6y-c20c).* --- *Generated from [https://www.flux.ai/sassikhouloud/lora-leak-sensor-reference-design-7k6y-c20c](https://www.flux.ai/sassikhouloud/lora-leak-sensor-reference-design-7k6y-c20c)*