Digispark known as USB Development Board base on ATMEL Attiny85 microcontroller similar to Arduino Board line, the difference is smaller and limited pins, and a bit less powerful. Which a whole host of shields to extend its functionality and the
How to Place/Connect a Pull Up Resistors on Chip
A pull up resistor is a resistor that works the chip normally HIGH and change it to LOW when switched on, Pull-Up or Pull-Down resistor mostly they are connected to the pins of the chip so that they can define