Espressif

Espressif modules and boards

M5 hardware

M5StickC orange and wearable. Also has an 80x160 OLED display, a 6-axis accelerometer, and a microphone

Atom Matrix grey with 5x5 Neopixel LED matrix and a 6-axis IMU

[Atom Echo] white, with a speaker and microphone. It also has a Neopixel

which OS?

Arduino

or

Espressif IDF and FreeRTOS

JTAG debugging

Example of JTAG debugging

JTAG debugging

https://mcuoneclipse.com/2019/10/20/jtag-debugging-the-esp32-with-ft2232-and-openocd/

Books and resources

Neil Kolban

Random Nerd