Description
This development board (also known as "Cheap Yellow Display") is powered by the ESP-WROOM-32, a dual-core MCU with integrated Wi-Fi and Bluetooth capabilities. It operates at a main frequency of up to 240 MHz, with 520 KB SRAM, 448 KBROM, and a 4 MB Flash memory. The board features a 2.8-inch display with a resolution of 240x320 and resistive touch.
Furthermore, the board includes a backlight control circuit, touch control circuit, speaker drive circuit, photosensitive circuit, and RGB-LED control circuit. It also provides a TF card slot, serial interface, DHT11 temperature and humidity sensor interface, and additional IO ports.
The module supports development in Arduino IDE, ESP-IDE, MicroPython, and Mixly.
Applications
- Image transmission for Smart Home device
- Wireless monitoring
- Smart agriculture
- QR wireless recognition
- Wireless positioning system signal
- And other IoT applications
Specifications
| Microcontroller |
ESP-WROOM-32 (Dual-core MCU with integrated Wi-Fi and Bluetooth) |
| Frequency |
Up to 240 MHz (computing power is up to 600 DMIPS) |
| SRAM |
520 KB |
| ROM |
448 KB |
| Flash |
4 MB |
| Operating voltage |
5 V |
| Power consumption |
approx. 115 mA |
| Display |
2.8-inch color TFT screen (240x320) |
| Touch |
Resistive Touch |
| Driver chip |
ILI9341 |
| Dimensions |
50 x 86 mm |
| Weight |
50 g |
Included
- 1x ESP32 Dev Board with 2.8" Display and acrylic Shell
- 1x Touch pen
- 1x Connector cable
- 1x USB cable
Downloads
