# Firefly Board v55i eeec ## Description Firefly Board is part of a smart network designed for wireless control of light, water and other parts of the house in locations where GSM communication and WiFi are not available. #LoRa #smart #IoT #power #led #arm #stm32 ## Project Details - **Owner:** dacre - **Created:** 8/8/2023 - **Last Updated:** 10/5/2023 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ ## Key Components ### IC1 — [MCP73831T-2ACI/OT](https://www.flux.ai/vasyl/mcp73831t-2aciot.md) - Manufacturer Name: Microchip Technology - Part Type: Integrated Circuit - Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/MCP73831-Family-Data-Sheet-DS20001984H.pdf - Manufacturer Part Number: MCP73831T-2ACI/OT **Pins:** - PROG [pin 5] - STAT [pin 1] - VBAT [pin 3] - VDD [pin 4] - VSS [pin 2] ### J1 — [B2B-PH-SM4-TB(LF)(SN)](https://www.flux.ai/jecstronic/b2b-ph-sm4-tblfsn.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: JST Sales America Inc. - Part Type: Connector - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/ePH.pdf - Manufacturer Name: JST Sales America Inc. **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] ### J2 — [Pin Socket 01x02 2.54mm Vertical](https://www.flux.ai/adrian95/pin-socket-01x02-254mm-vertical.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] ### J3 — [Pin Header 01x04 2.54mm](https://www.flux.ai/vasyl/pin-header-01x04-254mm.md) - Part Type: Connector **Pins:** - Pin_1 - Pin_2 - Pin_3 - Pin_4 ### J4 — [TYPE-C-31-M-12](https://www.flux.ai/vasy_skral/type-c-31-m-12.md) - Manufacturer Name: Korean Hroparts Elec - Datasheet URL: https://datasheet.lcsc.com/lcsc/2205251630_Korean-Hroparts-Elec-TYPE-C-31-M-12_C165948.pdf - Manufacturer Part Number: TYPE-C-31-M-12 - Part Type: Connector **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND [pin B1A12] - GND [pin A1B12] - SBU1 [pin A8] - SBU2 [pin B8] - SHIELD [pin S3] - SHIELD [pin S1] - SHIELD [pin S4] - SHIELD [pin S2] - VBUS [pin A4B9] - VBUS [pin B4A9] ### U1 — [STM32G030F6P6](https://www.flux.ai/vasyl/stm32g030f6p6.md) - Datasheet URL: https://www.st.com/resource/en/datasheet/stm32g030c6.pdf - Manufacturer Name: STMicroelectronics - Manufacturer Part Number: STM32G030F6P6 - Part Type: Microcontroller **Pins:** - NRST [pin 6] - PA0 [pin 7] - PA1 [pin 8] - PA11 [pin 16] - PA12 [pin 17] - PA13 [pin 18] - PA15/PA14-BOOT0 [pin 19] - PA2 [pin 9] - PA3 [pin 10] - PA4 [pin 11] - PA5 [pin 12] - PA6 [pin 13] - PA7 [pin 14] - PB0/PB1/PB2/PA8 [pin 15] - PB3/PB4/PB5/PB6 [pin 20] - PB7/PB8 [pin 1] - PB9/PC14-OSC32_IN [pin 2] - PC15-OSC32_OUT [pin 3] - VDD/VDDA [pin 4] - VSS/VSSA [pin 5] ### U2 — [Ai-Thinker-Ra-02](https://www.flux.ai/vasyl/ai-thinker-ra-02.md) - Part Type: RF module - Manufacturer Part Number: Ra-02 - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Semtech - Datasheet URL: https://docs.ai-thinker.com/_media/lora/docs/c048ps01a1_ra-02_product_specification_v1.1.pdf **Pins:** - 3.3V [pin 3] - DIO0 [pin 5] - DIO1 [pin 6] - DIO2 [pin 7] - DIO3 [pin 8] - DIO4 [pin 10] - DIO5 [pin 11] - GND [pin 9] - GND [pin 2] - GND [pin 16] - GND [pin 1] - MISO [pin 13] - MOSI [pin 14] - NSS [pin 15] - RESET [pin 4] - SCK [pin 12] ### U3 — [AP2112K-3.3TRG1](https://www.flux.ai/vasyl/ap2112k-33trg1.md) - Part Type: Integrated Circuit - Datasheet URL: https://www.diodes.com/assets/Datasheets/AP2112.pdf - Manufacturer Name: Diodes Incorporated - Manufacturer Part Number: AP2112K-3.3TRG1 **Pins:** - EN [pin 3] - GND [pin 2] - VIN [pin 1] - VOUT [pin 5] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/dacre/firefly-board-v55i-eeec](https://www.flux.ai/dacre/firefly-board-v55i-eeec).* --- *Generated from [https://www.flux.ai/dacre/firefly-board-v55i-eeec](https://www.flux.ai/dacre/firefly-board-v55i-eeec)*