|Mains Power-Up Sequencer hard-to-get parts
This set of parts includes the critical components needed to build the Mains Power-Up Sequencer: the PCB, the programmed microcontroller, all other semiconductors and the insulating LED bezels.
There are quite a few other parts required, but they are all standard types that should be available from your usual electronics retailer.
Click the link immediately below for a full list of all parts included in this set.
Note: photo shows fully assembled PCB, including parts not included in this set.