HiLetgo ESP32 Development Board
The HiLetgo ESP32 Development Board is a compact development platform built on the ESP-WROOM-32 module, housing Espressif’s ESP32 dual-core Xtensa LX6 processor with integrated 2.4 GHz Wi-Fi and Bluetooth 4.2/BLE. The board exposes 30 GPIO pins covering UART, SPI, I2C, ADC, DAC, and PWM functions, with a CP2102 USB-to-serial converter for convenient programming and debugging.
Overview
The HiLetgo ESP32 Development Board is a compact, affordable development board built around Espressif’s ESP-WROOM-32 module. It features a dual-core Xtensa LX6 processor, integrated Wi-Fi 802.11 b/g/n, Bluetooth 4.2 / BLE, and a rich set of GPIO peripherals — making it suitable for a wide range of IoT prototyping and maker projects.
Key Features
- Dual-core processor: Xtensa LX6 @ up to 240 MHz
- Wireless: Wi-Fi 802.11 b/g/n + Bluetooth 4.2 Classic & BLE
- GPIO: 30 pins exposed, including SPI, I2C, I2S, UART, ADC, DAC, and PWM
- Compact form factor: Breadboard-friendly, suitable for prototyping
- On-board: USB-to-UART bridge, reset and boot buttons, built-in LED
- Power: 5V via USB or external supply; 3.3V onboard regulator
- SDK support: Arduino IDE, ESP-IDF, MicroPython
Hardware Specifications
| Parameter | Value |
|---|---|
| Chip | ESP32 (Espressif ESP-WROOM-32) |
| CPU | Dual-core Xtensa LX6, up to 240 MHz |
| Flash | 4 MB SPI Flash |
| RAM | 520 KB SRAM |
| Wi-Fi | 802.11 b/g/n (2.4 GHz) |
| Bluetooth | BT 4.2 Classic + BLE |
| GPIO Pins | 30 (3.3V logic) |
| ADC | 12-bit, up to 18 channels |
| DAC | 8-bit, 2 channels |
| USB | Micro-USB (CP2102 or CH340 USB-to-UART bridge) |
| Operating voltage | 3.3V (I/O) |
| Power supply | 5V via USB |
| Operating temperature | −40°C to +85°C |
Supported Use Cases
- Environmental monitoring: temperature, humidity, air quality
- Smart home: Wi-Fi-connected switches, sensors, and displays
- Smart office and smart farming automation
- Energy monitoring and data logging
- Fleet tracking with GPS modules over Wi-Fi
Device Technical Documentation
Download datasheets and manuals for the HiLetgo ESP32 Development Board
HiLetgo ESP32 Development Board Product page HiLetgo ESP32 Development Board DatasheetAdd Your Device to the Community
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