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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@allObjects
Ic, quite interesting...
Certainly can... are you saying: placing an Espruino on the car? ...and where the power plant for the Wifi?.... I hope you have Puck(s) waiting for you... the perfect low power thing (B)LE! --- Until then, a Pico with an ESP8266 could do... or just a ESP8266, may be... (an ESP8266 ESP-01 onto which EX chip you solder some more wires. The issue of the power still remains as well as how you want to control the motor.
I'd start with a Pico and a ESP8266 and a full H-Bridge. The Pico is string enough to run the servo directly from its pins. The motor you run over the half bridge. I you can salvage the driver - H-Bridge - from the previous board, you are ready to go...
What's your plan?