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The eSync ESP32-C3 Smart Switch DIY Dev Board by eSync is a mid-range iot wifi smart switches designed for DIY enthusiasts and makers. It features Shipping Weight: 0.060 kg and Shipping Dimensions: 9 × 6 × 3 cm.
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About This Product
The eSync ESP32-C3 Smart Switch DIY Dev Board by eSync is a mid-range iot wifi smart switches designed for DIY enthusiasts and makers. It delivers reliable performance at an accessible price.
Key Specifications
- Shipping Weight: 0.060 kg
- Shipping Dimensions: 9 × 6 × 3 cm
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The eSync ESP32-C3 Smart Switch DIY Dev Board is a compact and powerful IoT automation solution designed for smart home and industrial control projects. Built around the ESP32-C3 RISC-V processor, it offers integrated Wi-Fi and Bluetooth 5.0 (BLE) for seamless wireless connectivity. This board directly operates on 220V AC mains using an onboard Hi-Link power module, eliminating the need for external power supplies. Equipped with dual 7A relays, it allows reliable control of electrical appliances like lights, fans, and sockets.
The USB Type-C interface ensures easy programming and debugging, while GPIO-based manual switch inputs enable local control. Pre-soldered and ready to use, it supports OTA firmware updates, making it ideal for developers, hobbyists, and automation enthusiasts building scalable IoT solutions.
Features:
- ESP32-C3-WROOM-02 with RISC-V 32-bit core up to 160 MHz
- Built-in Wi-Fi (802.11 b/g/n) and BLE 5.0 connectivity
- Dual 7A relays for AC load control
- Direct 220–240V AC input (no external PSU required)
- Onboard Hi-Link HLK-PM01 AC-DC converter
- USB Type-C for flashing and serial communication
- Manual wall-switch interface with GPIO inputs
- OTA firmware update capability
Specifications:
- MCU: ESP32-C3-WROOM-02
- CPU: RISC-V 32-bit, up to 160 MHz
- Wi-Fi: IEEE 802.11 b/g/n (2.4 GHz)
- Bluetooth: BLE 5.0
- Input Voltage: 110–240 V AC, 50/60 Hz
- Input Current: 0.2A
- Output Voltage: 5V DC
- Output Current: 0.6A
- Output Power: 3W
- PSU: Hi-Link HLK-PM01 (5V DC)
- Regulator: AMS1117 (3.3V)
- Relay: 2 × G5LE-1, 7A @ 220V AC
- Relay Logic: Active High
- Switch Inputs: 2 × GPIO (Active Low)
- Interface: USB Type-C
- UART: GPIO20 (TX), GPIO21 (RX)
- LED: GPIO1 status indicator
- Dimensions: 65 x 44 x 20 mm
- Weight: 57 g
Package Includes:
1 x eSync ESP32-C3 Smart Switch DIY Dev Board
