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ESP32-WROOM-32 0.96-inch OLED USB-C Development Board
Dual-core 240 MHz · 4 MB Flash · 0.96-inch OLED · Wi-Fi · Bluetooth · USB-C
£6.99
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Dual-core Xtensa LX6CPU
Up to 240 MHzClock
4 MBFlash
0.96-inch 128×64 OLEDDisplay
2.4 GHz Wi-FiWireless
USB-C / CH340USB
Product overview
A convenient ESP32-WROOM-32 development board with a small OLED display already integrated on the board. It provides the familiar dual-core ESP32 platform while making it easy to add status information, sensor values and compact user feedback without wiring a separate display module.
Ideal for
ESPHome & Home Assistant
Sensor dashboards
Compact status displays
IoT monitoring
Wi-Fi / Bluetooth projects
Embedded prototyping
Technical specifications
| Processor | ESP32-WROOM-32 / dual-core Xtensa LX6 |
|---|---|
| Processor speed | Up to 240 MHz |
| Flash memory | 4 MB |
| SRAM | 520 KB on-chip SRAM |
| Display | 0.96-inch 128×64 OLED |
| OLED controller | SSD1306-compatible |
| OLED interface | I²C; address 0x3C on the current board design |
| OLED pins | GPIO21 SDA / GPIO22 SCL on the current board design |
| Wi-Fi | 2.4 GHz IEEE 802.11 b/g/n |
| Bluetooth | Bluetooth 4.2 Classic + BLE |
| USB interface | USB-C with CH340 USB-to-serial |
| Logic level | 3.3 V |
| Frameworks | Arduino IDE, ESP-IDF, PlatformIO, MicroPython, ESPHome |
Good to know
- GPIO uses 3.3 V logic.
- A data-capable USB-C cable is required for programming.
- The integrated OLED is useful for status information without adding a separate display module.
Compare ESP32 boards
| Board | CPU | Memory | Bluetooth | Best for |
|---|---|---|---|---|
| ESP32-C3 Super Mini | 160 MHz RISC-V | 4 MB Flash | BLE | Compact IoT / ESPHome |
| ESP32-WROOM-32 | Dual-core 240 MHz LX6 | 4 MB Flash | Classic + BLE | General purpose |
| ESP32-WROOM-32 OLED | Dual-core 240 MHz LX6 | 4 MB Flash + OLED | Classic + BLE | Projects needing a built-in status display |
| ESP32-S3 N16R8 | Dual-core 240 MHz LX7 | 16 MB Flash + 8 MB PSRAM | BLE | Displays, cameras, advanced applications |
Ready to order?
Available from Aetherwatt on eBay with free UK delivery.