This PCB designed to be used as a USB business card. It uses a ATtiny85 with VUSB which converts it to a HID. The PCB itself integrates a male USB plug. It’s connected on a computer or an Android USB OTG and is being identified as a keyboard.
We open a text editor and we use the 3 buttons to print text on the screen. The buttons print my website address, my email address and my phone number.
Hung Hoang
Small but informative information. Thank You for Sharing this.