ATtiny Flasher
Small tool to develop on ATtiny MCUs like normal Arduinos
ATtiny Flasher Kit
Set of 6 projects for ATtiny Flasher
Onion Omega Hi-Fi Dock
Onion Omega Dock with Hi-Fi capabilities
Orange PI Hi-Fi Hat
Orange Pi Hat, that adds Hi-Fi audio capability to your Pi
ESP32 Hi-Fi Extension
HiFi audio extension for ESP32