Simulated Keyboard IC;
ASCII Input from UART into UI011, UI011 will send ASCII to Host as PC or Android pad/Phone, ASCII will be display in notepad or other word process program. Simple and Easy to use.
USB to SPI/I2C/UART/TTL IO, supporting 5 V / 3.3 V. Don't need a crystal, Don't need a RESET circuit, need only two capacitors.
Small Switch, Great Switch
Just click the mouse on the computer, you can control all kinds of power supply on-off switch, such as, all kinds of lights, door lock, etc.Don't need to install driver, Don't need programming.