About Micro USB UNO R3 development board:

- It is 100% compatible with Arduino UNO R3 program, expansion shields, IDE.

- You can burn the program with your mobile phone’s micro USB cable.

- It use the micro USB socket which it is very short, so it is compatible with more expansion boards.

- On-board test indicator LED, and the beginners can program to control it.

- USB interface driver chip: CH340G

- Microcontroller: Atmel ATmega328P

- Operating voltage: 5V.

- IO logic voltage: 5V

- Operating current: 500mA

- Digital I/O Pins: 14 (of which 6 provide PWM output)

- Flash Memory: 32 KB of which 2 KB used by bootloader

- SRAM: 2KB

- EEPROM: 1KB

- Clock Speed: 16 MHz



About 2.4inch TFT LCD Shield:

- Arduino UNO R3 and its compatible board can use it directly to display characters and graphics;

- Arduino library: Adafruit_TFTLCD and Adafruit_GFX;

- Resolution: 240X320;

- Display size: 2.8 inch;

- Operating voltage: 5V;

- Logic level: 5V / 3.3V;

- On-board 3.3V / 300mA regulator circuit;

- Operating current: the maximum is 150mA without TF card;

- Use the A0 ~ A4 pins, D2 ~ D13 pins. If you do not use TF card, you can use the D10 ~ D13;

- Onboard Micro SD slot, support 2GB Micro SD / TF Card;

- Onboard reset button for easy reset.