The 38-Pin ESP-32 Development Board Wifi + Bluetooth and is a functional wireless microcontroller board based on the ESP-32 chip. It is one of the most powerful and popular development platforms in the embedded electronics community. It has a lot of processing power, wireless connectivity, and support for many peripherals, all in a small package.
It is on the esp32 wroom board, which houses a dual-core 32-bit processor running at up to 240 MHz. The integrates 2.4 GHz WiFi and Bluetooth radio hardware, which means your project gets wireless capability without sourcing and wiring separate communication modules.
The 38 GPIO pins on this board expose nearly every available signal of the ESP-32 chip. This includes multiple ADC input channels for analog sensor reading, two DAC output channels, capacitive touch inputs, and hardware interfaces for UART, SPI, and I2C communication. This level of peripheral access makes the 38 pin dev board suitable for projects that need to connect multiple sensors and electronics modules simultaneously.
Programming is handled through the onboard USB Type-C port, which connects to the CP2102 UART bridge. This setup allows direct sketch uploading from Arduino IDE or ESP-IDF without any external programmer. The Type-C connector also handles 5V power input, which is internally regulated to match the ESP-32 chip operating requirements.
This board is available from StemVolt and is popular with developers, esp32 for engineering students and robotics builders that need a stable and well-supported wireless development platform for building real-world projects.
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Features:
- Dual-core ESP-32 processor manages WiFi stack and application firmware simultaneously without performance compromise
- The esp32 wifi module integrated design eliminates the need for external wireless hardware in sensor and IoT builds
- 38 GPIO pins provide the highest peripheral access among common ESP32 development board variants
- USB Type-C interface offers a reversible, secure connection for programming and power with better longevity
- CP2102 UART bridge provides stable serial communication at standard baud rates during firmware upload and debugging
- Operating between 2.2V and 3.6V, the board can run directly on lithium batteries without additional regulation circuitry
Technical Specifications:
| Specification | Details |
|---|---|
| Development Board | 38-Pin ESP-32 Development Board Wifi + Bluetooth |
| Total Pins | 38 GPIO Pins |
| Wireless Connectivity | 2.4 GHz WiFi 802.11 b/g/n |
| Series | ESP32 CP2102 USB-C (Type-C) |
| Supply Voltage | 2.2V ~ 3.6V |
| Connectivity Technology | UART, USB |
| Compatible Devices | Arduino, IoT Devices |
| Port Type | Type-C Interface |
Applications:
- Smart automation projects— control connected appliances, switches, and lighting systems using the esp32 Wifi + Bluetooth capability over local network or internet
- 38-Pin ESP-32 Development Board Wifi + Bluetooth CP2102 Type-C wireless projects — build dual-protocol devices that use WiFi for cloud data and Bluetooth for local device pairing
- esp32 microcontroller based web server — host a local web interface directly on the board to monitor and control connected hardware from a browser
- esp32 nodemcu compatible projects — use existing NodeMCU-compatible code and libraries directly on this board with minimal modification
- University robotics experiments — practical wireless microcontroller platform for engineering students for practical demonstration, embedded systems, and wireless protocol implementation
Package Includes:
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1 x 38-Pin ESP-32 Development Board Wifi + Bluetooth
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