how to make solenoid engine at home

[@satyaprakashmoharana8387]

Nice bro u r a jini us❤❤❤❤❤❤

[@ChandTC]

Thanks bro 😊

[@satyaprakashmoharana8387]

Bro u are already marked a inverter on ne555 timer ic but which pcb design software used please reply ❤❤❤❤

[@ChandTC]

Circuit wizard and kicad

[@satyaprakashmoharana8387]

@@ChandTC am using ki cad 8 but how to make 4 layer layout please comment