The 30v voltmeter made with PIC16f676 includes schematic diagram and source program.
Foreign powerful, simple and portable oscilloscope design (schematic diagram, PCB, program source code, etc.)
A good source code for stm32f4 oscilloscope, which can use 3-channel ADC to measure waveforms and display the waveforms on the screen and also display the amplitude.
Realizing network communication using limited resources on 51 microcontroller platform
jlink-v9.5 schematic diagram, you can directly learn the JLINK principle
A complete electrical schematic diagram and program for an electric vehicle based on the Infineon XC866 microcontroller. I have tested it on an electric vehicle and it runs normally.
ZTE 2400 48v50a circuit schematic diagram, available for maintenance