And of course, if an ATtiny was used, there should have simply been a 555 timer. This time ... large area on the PCB (even though these are small surface-mount chips), consume an incredible ...
If you’re not familiar with the 555 timer, suffice it to say that this ... the DIP-8 is still around, as are new surface-mount packages all the way down to the chip-scale. Some vendors have ...