ESP32-WROOM-32 CP2102 Dev Board WiFi BT BLE – 1 to 5 Pack
Details
ESP32-WROOM-32 CP2102 Development Board – WiFi, Bluetooth & BLE for Smart Home & IoT
Take your embedded and IoT projects to the next level with the ESP32-WROOM-32 CP2102 Development Board. Powered by the versatile ESP32 MCU, this compact board combines Wi-Fi (802.11 b/g/n), Bluetooth 4.2 BR/EDR, and BLE connectivity in one low-power package — perfect for smart home automation, mesh networking, mobile IoT devices, and DIY electronics prototyping.
Made in Mainland China.
Key Features
- Triple Connectivity: Integrated Wi-Fi + Bluetooth Classic + BLE (Bluetooth Low Energy) in a single module for maximum flexibility.
- 32Mbit SPI Flash: Onboard high-speed SPI flash memory (default 32Mbit) ensures fast data access and efficient program storage.
- Broad Wireless Coverage: Connect directly to the internet via a Wi-Fi router or communicate wirelessly over large distances within your network.
- CP2102 USB-to-UART Bridge: Reliable USB serial communication chip for easy programming and debugging from your PC.
- Rich Interface Support: Compatible with UART, SPI, SDIO, I2C, PWM, I2S, IR, ADC, and DAC — connect virtually any sensor or peripheral.
- Onboard PCB Antenna: 2dBi gain PCB antenna for stable wireless signal reception with no external antenna required.
- Compact Form Factor: Measures approximately 50 × 25 × 10 mm, making it ideal for space-constrained builds.
- Multi-Pack Options: Available in 1, 2, 3, 4, or 5 piece packs to suit hobbyists, educators, and developers alike.
Technical Specifications
| Working Voltage | 5V |
| SPI Flash | 32Mbit (default) |
| Serial Port Speed | 115200 bps |
| Frequency Range | 2412–2484 MHz |
| Bluetooth Protocol | Bluetooth 4.2 BR/EDR and BLE |
| WiFi Protocol | IEEE 802.11 b/g/n |
| Antenna | Onboard PCB antenna, 2dBi gain |
| Supported Interfaces | UART, SPI, SDIO, I2C, PWM, I2S, IR, ADC, DAC |
| Dimensions | ~50 × 25 × 10 mm (1.96 × 0.98 × 0.39 in) |
| Weight | ~10g |
What's in the Box
- 1× ESP32-WROOM-32 CP2102 Development Board (per unit ordered)
Ideal Applications
- Smart home automation systems
- Mobile IoT and sensor data logging
- Wi-Fi mini cameras and streaming devices
- Mesh networking projects
- Bluetooth signal detection and analysis tools
- DIY electronics prototyping and education
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Note: Due to monitor and lighting variations, actual product color may differ slightly from images. Please allow ±1–2 cm tolerance due to manual measurement.
Learn more: EPA guidance on lithium-ion battery handling
Frequently Asked Questions
Q: What makes the ESP32-WROOM-32 CP2102 Development Board suitable for smart home projects?
A: The ESP32-WROOM-32 CP2102 board supports both Wi-Fi (802.11 b/g/n) and Bluetooth 4.2 (BR/EDR + BLE), enabling seamless communication between smart home devices, mobile apps, and internet-connected services — all from a single compact module. Its wide range of supported interfaces (I2C, SPI, UART, ADC, DAC, PWM, etc.) means you can connect sensors, relays, displays, and more with ease.
Q: Do I need any additional hardware to program this ESP32 development board?
A: No additional USB-to-serial adapter is needed. The onboard CP2102 chip provides a direct USB-to-UART bridge, so you simply connect the board to your computer via a Micro-USB cable. It is compatible with the Arduino IDE, MicroPython, and ESP-IDF development environments.
Q: Why is this product available in packs of 1 to 5?
A: Multi-pack options are provided to accommodate a variety of users — from individual hobbyists who need just one board to test a concept, to educators, lab teams, or developers building multiple prototypes simultaneously. Buying in a multi-pack also offers better value per unit.
Q: What is the operating frequency range and antenna type of this ESP32 board?
A: The ESP32-WROOM-32 operates in the 2.4 GHz band, specifically between 2412–2484 MHz. It uses an onboard PCB antenna with a gain of 2dBi, which provides reliable wireless range without requiring any external antenna attachment.
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.
Materials + Care
We prioritize quality in selecting the materials for our items, choosing premium fabrics and finishings that ensure durability, comfort, and timeless appeal.
Shipping + Returns
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