In theory, using MicroPython on the ESP32 is easy — just flash an image ... help you and one we recently noticed was MPY-Jama. The IDE provides source code editing, of course.
ESP32 is the hottest new wireless chip out there, offering both WiFi and Bluetooth Low Energy radios rolled up with a dual-core 32-bit processor and packed with peripherals of every kind.
It can be programmed using the ESP-IDF framework or Arduino IDE, so it's accessible to both professionals and hobbyists.