# nRF52810 Watch Template ## Description This is a smart watch project based on E73-2G4M04S1A module with SoC nRF52810 on board. OLED display and coin battery #wearable #nRF52810 #E73 #Ebyte #BLE #referenceDesign ## Project Details - **Owner:** vasy_skral - **Created:** 11/19/2024 - **Last Updated:** 3/10/2026 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ - **Copies:** 4 ## Key Components ### BAT1 — [MY-2032-12](https://www.flux.ai/vasy_skral/my-2032-12.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/2012181809_MYOUNG-MY-2032-12_C964833.pdf - Manufacturer Part Number: MY-2032-12 - Manufacturer Name: MYOUNG - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - NEG [pin N1] - POS [pin P2] - POS [pin P1] ### OLED1 — [OLED 0.91" 128x32 I2C](https://www.flux.ai/vasy_skral/oled-091-128x32-i2c.md) - Part Type: Display Device **Pins:** - 5V [pin 3] - GND [pin 4] - SCL [pin 2] - SDA [pin 1] ### PROG — [TC2030](https://www.flux.ai/vasy_skral/tc2030.md) - Manufacturer Name: Microchip Technology - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.snapeda.com/parts/TC2050-IDC-NL/Tag-Connect%20LLC/datasheet/ - Symbol Style: Parametric - Part Type: Tag-connectors - Manufacturer Part Number: TC2030 **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] ### RST — [PTS815](https://www.flux.ai/vasy_skral/pts815.md) - Manufacturer Part Number: PTS815 SJM 250 SMTR LFS - Part Type: Switch - Manufacturer Name: C&K - Datasheet URL: https://www.ckswitches.com/media/2728/pts815.pdf **Pins:** - ~1 [pin 1] - ~2 [pin 2] - ~3 [pin 3] - ~4 [pin 4] ### SW1 — [TL3330AF260QG](https://www.flux.ai/vasy_skral/tl3330af260qg.md) - Manufacturer Name: E-Switch - Manufacturer Part Number: TL3330AF260QG - Part Type: Switch - Datasheet URL: https://sten-eswitch-13110800-production.s3.amazonaws.com/system/asset/product_line/data_sheet/163/TL3330.pdf **Pins:** - P1 [pin 1] - P2 [pin 2] ### SW2 — [TL3330AF260QG](https://www.flux.ai/vasy_skral/tl3330af260qg.md) - Datasheet URL: https://sten-eswitch-13110800-production.s3.amazonaws.com/system/asset/product_line/data_sheet/163/TL3330.pdf - Part Type: Switch - Manufacturer Name: E-Switch - Manufacturer Part Number: TL3330AF260QG **Pins:** - P1 [pin 1] - P2 [pin 2] ### U1 — [E73-2G4M04S1A](https://www.flux.ai/lcsc/e73-2g4m04s1a.md) - Manufacturer Name: EBYTE(亿佰特) - Product Info Url: https://lcsc.com/product-detail/Wireless-Modules_Chengdu-Ebyte-Elec-Tech-E73-2G4M04S1A_C411305.html - Manufacturer Part Number: E73-2G4M04S1A - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_1912111437_Chengdu-Ebyte-Elec-Tech-E73-2G4M04S1A_C411305.pdf - Part Type: Bluetooth Modules - LCSC Part Number: C411305 - Package or Case Code: WIRELM-SMD_E73-2G4M04S1A - JLCPCB Part Class: Extended Part **Pins:** - DCC [pin 13] - DEC1 [pin 14] - DEC2 [pin 3] - DEC3 [pin 4] - DEC4 [pin 12] - GND [pin 2] - GND [pin 42] - GND [pin 0] - GND [pin 43] - GND [pin 1] - GND [pin 15] - P0.02 [pin 17] - P0.03 [pin 18] - P0.04 [pin 19] - P0.05 [pin 20] - P0.06 [pin 21] - P0.07 [pin 22] - P0.08 [pin 23] - P0.09 [pin 24] - P0.10 [pin 25] - P0.11 [pin 26] - P0.12 [pin 27] - P0.13 [pin 28] - P0.14 [pin 29] - P0.15 [pin 30] - P0.16 [pin 31] - P0.17 [pin 32] - P0.18 [pin 33] - P0.19 [pin 34] - P0.20 [pin 35] - P0.21 [pin 36] - P0.22 [pin 39] - P0.23 [pin 40] - P0.24 [pin 41] - P0.25 [pin 5] - P0.26 [pin 6] - P0.27 [pin 7] - P0.28 [pin 8] - P0.29 [pin 9] - P0.30 [pin 10] - P0.31 [pin 11] - SWDCLK [pin 37] - SWDIO [pin 38] - VCC [pin 16] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/vasy_skral/nrf52810-watch-template](https://www.flux.ai/vasy_skral/nrf52810-watch-template).* --- *Generated from [https://www.flux.ai/vasy_skral/nrf52810-watch-template](https://www.flux.ai/vasy_skral/nrf52810-watch-template)*