ESP32S ESP-WROOM-32 38-Pin CP2102 type C
📡 ESP32S ESP-WROOM-32 Dev Board – 38-Pin, CP2102, Type-C
WiFi + Bluetooth Dual-Core MCU with USB Type-C Interface
The ESP32S Dev Board is a powerful development platform based on the ESP-WROOM-32 module, featuring dual-core 32-bit Xtensa LX6 processors, built-in WiFi + Bluetooth (v4.2 BLE), and 38 GPIO pins for maximum flexibility. This version includes a CP2102 USB-to-Serial chip and a USB Type-C port for fast and stable programming.
⚙️ Technical Specifications
| Parameter | Specification |
|---|---|
| Microcontroller | ESP32-D0WDQ6 (ESP-WROOM-32) Module |
| Core | Dual-core 32-bit Xtensa® LX6 @ 240MHz |
| Flash Memory | 4MB (internal) |
| SRAM | 520KB |
| WiFi | 802.11 b/g/n (2.4 GHz) |
| Bluetooth | v4.2 BLE + Classic |
| USB to Serial | CP2102 (Stable & Reliable) |
| USB Connector | USB Type-C |
| GPIO Pins | 38 (multiple with ADC, PWM, UART, SPI, I2C) |
| ADC Channels | 12-bit, up to 18 channels |
| Operating Voltage | 3.3V (I/O), powered via 5V USB |
| Current Consumption | ~80 mA active, deep sleep <10 µA |
| Dimensions | ~58mm x 28mm |
✅ Features
⚙️ Dual-core 240MHz processor – high performance for IoT, robotics, automation
📶 Built-in WiFi + BLE for wireless projects
🔌 USB Type-C interface – modern, reversible and fast
🔁 Onboard CP2102 – no driver issues, easy upload from Arduino IDE
🛠️ 38 pins including PWM, ADC, SPI, I2C, UART, DAC
💡 Great for smart home, sensors, motor control, web servers, and more
🧰 Pinout Guide
IO0, IO2: Boot/Flash
IO34–IO39: Input only (ADC capable)
IO21, IO22: Default I2C
IO1 (TX0), IO3 (RX0): UART
EN: Reset
3V3 & GND for power rails
🔌 Arduino IDE Setup
Install ESP32 Board Support via Board Manager
Select board: "ESP32 Dev Module"
Port: COMx (CP2102)
Press BOOT button if needed during upload