Hello, “Multimeter” was the only title that first came to my mind to. Voltmeter (positive DC voltage) from 0.00 to 9.99 V and 10.0 – 30.0 V with automatic range switching. Frequency counter 0 .. 7.999 MHz (theoretisch. ..)... Electronics Projects, Atmel Atmega8 Multimeter Circuit (led display) "atmega8 projects, avr project, microcontroller projects, " Date 2019/08/02