ESP32 38-Pin Type-C Dev Board – Dual-Core WiFi & Bluetooth
ESP32 38-Pin Type-C Dev Board – Dual-Core WiFi & Bluetooth
ESP32 ESP-WROOM-32 38-Pin Type-C USB Development Board
Take your embedded projects to the next level with this powerful ESP32 ESP-WROOM-32 Development Board. Featuring a Type-C USB interface, dual-core processing, 2.4GHz Wi-Fi, and Bluetooth 4.2, this compact 38-pin board is the ideal platform for IoT, automation, robotics, and wireless communication projects.
Made in Mainland China.
Key Features
- Type-C USB Interface: Modern, reversible connector for easy programming and power delivery (5V input).
- 38-Pin Layout: More GPIO and features than a standard 30-pin module, yet narrow enough to be fully breadboard-compatible.
- Dual-Core CPU: Powered by two Tensilica LX6 cores clocked at up to 240 MHz for fast, responsive performance.
- 2.4GHz Dual-Mode Wireless: Supports Wi-Fi 802.11 b/g/n (STA / AP / STA+AP modes) and Bluetooth 4.2 BR/EDR + BLE — all on one chip.
- Low Power Consumption: Built on TSMC 40nm ultra-low-power technology for energy-efficient operation.
- Integrated RF Components: Onboard antenna switches, RF balun, power amplifiers, low-noise amplifiers, filters, and power management — minimal PCB footprint.
- Reset & Boot Buttons: Easily flash new firmware without any additional hardware.
- Rich Peripheral Support: Interfaces include UART, SPI, SDIO, I2C, PWM, I2S, IR, ADC, and DAC.
- Security: WPA / WPA2 / WPA2-Enterprise / WPS supported.
Technical Specifications
| Model | ESP32 / ESP-WROOM-32 |
| CPU | Dual-Core Tensilica LX6, up to 240 MHz |
| SRAM | 512 KB |
| SPI Flash | 32 Mbit (default) |
| Wi-Fi | 802.11 b/g/n, 2.4GHz |
| Bluetooth | 4.2 BR/EDR & BLE |
| USB Interface | Type-C (5V power supply) |
| Power Consumption | 300mA @ 3.3V |
| Board Dimensions | 28.5mm × 51.8mm |
| Pin Count | 38 pins |
| Interfaces | UART, SPI, SDIO, I2C, PWM, I2S, IR, ADC, DAC |
Transmission Power
- 802.11b: 17 ±2 dBm @ 11 Mbps
- 802.11g: 14 ±2 dBm @ 54 Mbps
- 802.11n: 13 ±2 dBm @ MCS7
Receiving Sensitivity
- CCK 1 Mbps: -90 dBm
- CCK 11 Mbps: -85 dBm
- 6 Mbps (1/2 BPSK): -88 dBm
- 54 Mbps (3/4 64-QAM): -70 dBm
- MCS7 (65/72.2 Mbps): -67 dBm
What's in the Box
- 1× ESP32 38-Pin Type-C USB Development Board
Learn more: ENERGY STAR product efficiency guidance
Frequently Asked Questions
Q: What makes the 38-pin ESP32 development board better than a 30-pin version?
A: The 38-pin ESP32 board offers more GPIO pins and expanded peripheral access compared to the standard 30-pin module, giving you greater flexibility for complex projects. Despite having more pins, it features a narrower form factor that is fully compatible with standard breadboards, making prototyping easier and more organized.
Q: What wireless protocols does this ESP32 development board support?
A: This ESP32 board supports 2.4GHz Wi-Fi (802.11 b/g/n) with STA, AP, and STA+AP modes, as well as Bluetooth 4.2 BR/EDR and Bluetooth Low Energy (BLE). Both wireless technologies operate simultaneously on the same chip, making it ideal for IoT and smart home applications.
Q: Is this ESP32 board compatible with the Arduino IDE or MicroPython?
A: Yes. The ESP32 ESP-WROOM-32 is widely supported by the Arduino IDE (using the ESP32 board package), MicroPython, and ESP-IDF. The onboard reset and boot buttons make flashing new firmware quick and straightforward without any additional hardware.
Q: What power supply does this board require?
A: The board is powered via its Type-C USB connector at 5V. It operates internally at 3.3V and draws approximately 300mA at 3.3V during normal operation. The integrated power management module handles voltage regulation onboard.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.