ESPboy DOOM-nano port

💥ESPboy DOOM-nano port ⚠️ Source code of ESPboy fork Original code by David Ruiz for Arduino Nano and OLED 128x64 This is not an actual Doom game, just picked some sprites from it (and simplified a lot). The rendering engine is more like a Wolfeistein 3D. ESPboy - the ultimate multi-gadget open-source, portable, modular to explore, create, learn, code & play with AppStore and community support. WiFi onboard, Arduino IDE/PlatformIO compatible. Attach one of the ESPboy family modules to the extension port and get a new portable gadget in a minute. It could be a DIY/code educational device, retro-game console, a platform for prototyping, GSM phone, LORA messenger, GPS navigator, MP3 player, FM radio, AY player, RFID/NFC reader, Sub-1Ghz radio scanner for garage door/barriers control, universal IR remote control, WiFi scanner/attack detector, IoT smart home central unit or a slave device, U2F FIDO authenti