ESP32 Dev Board 4MB CP2102 USB-C with 38 pins detailed circuit view

ESP32 Dev Board 4MB CP2102 USB-C Pre-Soldered 38-Pin

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ShillehTek ESP32 dev board with 4MB flash and presoldered CP2102 Type-C connector for easy USB serial programming; compact, hobbyist-friendly platform for Wi‑Fi and Bluetooth IoT prototyping.

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Overview

Product Overview

The ShillehTek ESP32 Dev Board 4MB CP2102 USB-C (38 Pin) Presoldered is a WiFi + Bluetooth development board made for fast prototyping, testing, and connected device builds. It features an ESP32 with 4MB flash and a reliable CP2102 USB-to-UART interface with a modern USB-C port for easy programming, serial monitoring, and power. With preinstalled headers, it’s ready for breadboards, jumper wiring, and quick peripheral hookups, making it a solid choice for makers, students, and embedded developers building smart home projects, MQTT devices, sensor nodes, robotics, and automation prototypes.

Questions & answers

Frequently asked questions

Yes. It is an ESP32 development board with a CP2102 USB-to-UART interface, so it can be programmed from Arduino IDE when the ESP32 board support is installed, and it is also suitable for ESP-IDF workflows.
Yes. The headers are preinstalled, so the board is ready for breadboards, jumper wires, and quick peripheral connections without soldering. This helps with fast prototyping, classroom labs, and testing sensor or module hookups.
It uses a USB-C connector with a CP2102 USB-to-UART chip for programming, serial monitoring, and power. The ESP32 GPIO are 3.3 V logic, so use appropriate level shifting when connecting 5 V devices.
It is well suited for WiFi and Bluetooth connected prototypes such as smart home controllers, MQTT devices, sensor nodes, robotics experiments, and automation projects. The 4MB flash supports typical firmware and iterative development builds.
Use a data-capable USB-C cable, not a charge-only cable. If the serial port still does not appear, install the CP2102 driver, select the correct port in your development tool, and verify the board is powered.

Have other questions?

Chat with our US-based team — we usually reply fast.

What's included

Features & Specs

WiFi + Bluetooth ESP32 wireless connectivity for smart home, sensors, MQTT, and telemetry projects.

4MB Flash Storage Space for firmware, libraries, and lightweight data logging.

CP2102 USB-to-UART Stable serial interface for flashing, debugging, and serial monitor workflows.

USB-C Power + Data Modern USB-C connector for convenient power and programming.

38-Pin I/O Access More pins exposed for sensors, relays, displays, and control projects.

Peripheral Friendly Interfaces Easy hookup for I2C, SPI, UART, ADC, DAC, and PWM devices.

Ready to Build Preinstalled headers speed setup for breadboards, protoboards, and repeat builds.

Reference

Documents

Full Product Manual ShillehTek ESP32 Dev Board 4MB CP2102 Type-C Presoldered 38 Pin | ShillehTek Product Manual In-depth setup guide with wiring, code examples, and troubleshooting.

Datasheet

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