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design pcb for zero cross circuit.
first do dil attiny44 version, then smd version,then add 240vac power supply below to both versions with additional cheap opto isolator.
This is 4 variants of the pcb.
Think we agreed on $40
The 240vac + opto can be considered paid extra if thats fair.
An existing circuit needs to be modified to use a mcu. I
The main purpose of mcu is to reduce cost, component count.
mcu should be low cost per unit.
The mcu drives 3 relays & a triac via a moc3043 opto coupler.
Ideally you the worker need to make pcb and prototypes. If this cant be done I can outsource that part. The successful applicant will be g...