A
Anonymous
Apr 12, 2026
Rating: 5/5
Perfect for Prototyping
Low power consumption in deep sleep mode. Exactly what I needed for my sensor node.
Description
ESP32 Microcontroller WROOM 32D with Onboard Antenna, WiFi, Bluetooth, DevKitC Development Board, 38-Pin
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| Core Chip | ESP32-D0WDQ6 |
| Flash Memory | 4 MB |
| SRAM | 520 KB |
| Wi-Fi Protocol | 802.11 b/g/n |
| Bluetooth Protocol | v4.2 BR/EDR and BLE |
| GPIO Pins | 38 Pins |
| Operating Voltage | 3.3V |
| CPU Frequency | 240 MHz |
| USB Interface | USB to UART Bridge |
| Board Size | 55mm x 28mm |
5 reviews
A
Anonymous
Mar 18, 2026
Rating: 4/5
Good value but pinout unclear
Functionality is solid, but the silkscreen pin labels are a bit small to read.
A
Anonymous
Feb 17, 2026
Rating: 3/5
Driver installation required
Board works fine once drivers were installed, but initial setup was confusing for beginners.
A
Anonymous
Feb 01, 2026
Rating: 5/5
Great for IoT Projects
This board works flawlessly with Arduino IDE. The onboard antenna provides stable connection.
A
Anonymous
Jan 28, 2026
Rating: 5/5
Fast Shipping and Quality
Arrived well packaged. Tested Wi-Fi and Bluetooth immediately without issues.
5 FAQ
Q: What is the deep sleep current?
A: Typically around 10 microamps in deep sleep mode depending on configuration.
Q: Is it compatible with Arduino IDE?
A: Yes, fully supported. You need to install the ESP32 board manager package.
Q: Can I connect an external antenna?
A: No, this WROOM-32D model features an onboard antenna only.
Q: Does this support 5V input?
A: The board has a voltage regulator, so you can power via USB 5V, but GPIO logic is 3.3V.
Q: Which operating systems are supported?
A: It works with Windows, macOS, and Linux for programming and serial monitoring.
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