Thanks for the quick help! I guessed that it was necessary to program through these contacts, but it was better to clarify.
Now it remains to purchase a programmer.
Please help with advice. I received PCBs on the oshpark.com. Soldered the microcontroller pic16f18876, resistors and capacitors.
I want to use this as a classic controller - what do I need to do to achieve this? I thought that it would be enough to connect the contacts to the outputs of the...