The Arduino Nicla Sense ME board is physically small and comes with a 64 MHz 32-bit Arm® Cortex-M4 processor along with motion, environmental, pressure, and magnetic sensors from Bosch.

Swapping out the big lead acid battery he was originally using with a simple 9V battery solved the problem, and afterwards his first test burns on the stand were complete successes.

Designed as a shield for the Arduino Mega 2560, the analyzer combines a small programmable electronic load with a INA219 current sensor, OLED display, and SD card reader.