Used PJRC Teensy 3.6 Microcontroller 32-Bit USB Development Board Arduino-IDE

PJRC Teensy 4.1 32-Bit USB Microcontroller Development Board w/ Pins Soldered

NEW Parallax propeller P8X32A Quickstart multi-core microcontroller development

Waveshare ESP32-P4 Pico – 400Mhz Dual-Core Microcontroller - 32MB Flash + PSRAM

USA New PJRC Teensy 4.1 Microcontroller 32-Bit USB Development Board (NO Pins)

USA New PJRC Teensy 4.0 Microcontroller 32-Bit USB Development Board (WITH PINS)

Zerynth IND-4ZB-09-F016 Data Conversion IC Development Tool 4ZeroBox interface

USA New PJRC Teensy 3.2 Microcontroller 32-Bit USB Development Board Arduino-IDE