ESP32-S CH340 38Pin ESP32S V1.3 Developments Board for Internet of Things Smart Home Wireless 2.4G WiFi Bluetooth with Port

Description

ESP32‑S CH340 38Pin ESP32S V1.3 Development Board – The ultimate low‑cost, high‑performance module for IoT, smart home, and wireless projects. Equipped with dual‑band 2.4 GHz Wi‑Fi and Bluetooth (BLE), this board delivers robust connectivity and powerful processing in a compact, 38‑pin package.

Key Features

• Dual‑core 240 MHz Xtensa LX6 processor – 480 MHz total performance
• 520 KB SRAM, 4 MB external flash support via 4‑wire SPI
• Integrated 2.4 GHz Wi‑Fi (802.11 b/g/n) and Bluetooth 5.0 BLE
• USB‑to‑UART bridge (CH340) for easy firmware flashing and serial debugging
• 38‑pin header: GPIO, I2C, SPI, UART, PWM, ADC, DAC, and more
• Low‑power sleep modes – ideal for battery‑powered IoT devices
• Compatible with Arduino, ESP-IDF, and PlatformIO ecosystems
• Compact 32 mm × 21 mm footprint, perfect for PCB integration or breadboard prototyping

Why Choose This Development Board?

Whether you’re building a smart thermostat, a wireless sensor network, or a custom home automation hub, the ESP32‑S V1.3 offers unparalleled flexibility. The CH340 USB interface eliminates the need for a separate programmer, while the 38‑pin layout gives you maximum connectivity options on a single board. Its low power consumption and robust Wi‑Fi/BLE stack make it a reliable choice for long‑term deployments.

Applications

• Smart home controllers and IoT gateways
• Wireless sensor nodes and environmental monitors
• Bluetooth Low Energy peripherals (e.g., wearables, remote controls)
• DIY electronics projects and rapid prototyping
• Educational kits for learning embedded systems and IoT

Specifications

Processor: ESP32‑S 240 MHz dual‑core Xtensa LX6
Memory: 520 KB SRAM, 4 MB external flash support
Connectivity: 802.11 b/g/n Wi‑Fi, Bluetooth 5.0 BLE
Power: 3.3 V, 5 V input via USB
Pin Count: 38 (GPIO, I/O, power, and communication)
Package: 32 mm × 21 mm board, 2.54 mm pitch header

Get Started

Download the official firmware, connect via the CH340 USB port, and flash your favorite Arduino sketch or ESP‑IDF project in minutes. Ready to power your next IoT innovation!