I'm in a pretty similar place a few months along (programmer getting into hobby electronics). I mostly buy from DigiKey. They have a very wide selection of pro

I'm in a pretty similar place a few months along (programmer getting into hobby electronics). I mostly buy from DigiKey. They have a very wide selection of professional stuff, and they also resell adadruit and other similar hobby stuff (I think adadruit is a great company that makes great products personally). You're not going to find a raspberry pi anywhere except from a scalper (~2x MSRP) for at least a few months, though. See https://rpilocator.com/?country=US https://rpilocator.com/?country=US . I started off with rpi, but quickly realized I preferred not having a whole OS to manage. All my projects are now using adadruit boards, mostly feather nrf52840 ($20, Bluetooth low energy, great rust or circuitpython support).