Posted by dapj20 on Oct 18, 2019 in 555-Circuits, Microcontroller-Circuits
When the microcontroller hangs due to a spike, EMI or RFI etc. the 7555 will reset the uC, if proper power supply design is done above circuit can also give a clean power on reset, the above circuit you should modify to suit your design. 80C39-8749… more »