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

Coin, 12.5mm Lithium Manganese Dioxide 3V Battery Non-Rechargeable

Simple CR2032-powered binary wristwatch with a low-power MCU, readable LED bit display, pushbutton wake/time setting, and PCB shape suitable for a 3D-printed case.

Welcome to your new project. Imagine what you can build here.

Welcome to your new project. Imagine what you can build here.

Welcome to your new project. Imagine what you can build here.

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

Battery Holder (Open) Coin, 20.0mm 1 Cell SMD (SMT) Tab #forLedBlink

Compact Li-Po powered ESP32 wearable vibration alert prototype for construction worker safety monitoring, using a relay module to directly switch a 3V coin vibration motor with beginner-friendly soldering and labeled PCB wiring.

Reusable ESP32-WROOM golf ball dispenser interface board with protected 12V to 24V input power, one conditioned coin pulse input, SPDT relay dry-contact output, open-collector output, Bluetooth pulse generation, screw-terminal field wiring, and optional UART programming access.

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

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

Battery Holder (Open) Coin, 20.0mm 1 Cell SMD (SMT) Tab #forLedBlink

Battery Holder (Open) Coin, 23.0mm 2 Cell PC Pin #commonpartslibrary #batteryholder #batteryproduct #coin

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Ultra-Low Power 10-LED Coin-Cell Roulette Chaser with Sound