Open-source boards designed in KiCad by Ontim-Nath02 on GitHub, from 3 repositories. A board’s address here is its repository’s there.
Ontim-Nath02/ATTiny85_USB-Development-PCB_Board
The design includes: 1. ATTiny85-20M microcontroller 2. USB interface 3. Zener diode protection 4. Status LED 5. ISP programming headers 6. Compact single-board layout
Ontim-Nath02/Op-Amp-Function-Generator-using-LM741
The circuit is an op-amp based waveform generator capable of producing square and triangle waveforms using oscillator and integrator stages. This project helped in understanding: 1. Analog circuit design 2.