燕青专栏

Reading AVR button status using WinAVRIf you want to bring some interactivity to your embedded projects, one option is to add buttons. This allows you to control program flow, set parameters and m

All AVR ports have Read-modify-write functionality when used as genera I/O ports. Direction of separate port pin can be changed. Each pin buffer has symmetric capability to drive and sink source. Pin

    As all AVR microcontrollers Atmega microcontrollers are 8 bit RISC microcontrollers. Their core are the same as tiny series, just they are more powerful and has more peripheral devices built in li

This is as simple routine how to read 4x4 keypad keys using AVR-GCC language. The keypad is connected to AVR microcontroller 8 bit port. In this example it is B port. You can change ports depending on