Hacked Gadgets Forum

January 16, 2013

Espruino – JavaScript Interpreter for STM32 ARM Microcontrollers

at 4:41 pm. Filed under Cool Gadgets, Electronic Hacks

Espruino - JavaScript Interpreter for STM32 ARM Microcontrollers


Looking for a new powerful development environment to hack together some quick powerful projects? Have a look at the Espruino. It is a  JavaScript Interpreter for STM32 ARM Microcontrollers which will let you get up and running fast because there is no IDE running on your computer. Just connect to the device and start programming. The pricing looks very attractive also.

Thanks for sending in the tip Gordon.

“How do you use it?

Just plug a Microcontroller with Espruino on into your PC, Mac or Raspberry Pi, and start writing JavaScript immediately in a serial terminal (no software is needed on most computers!).

You can easily execute functions after a period of time, or when an input changes state… And when Espruino is working as you want, type save(), and whenever it powers on it will restore itself to the exact same state.

You can even add a bluetooth module and program Espruino wirelessly.

And if you just need an IO board for your PC, Mac, or Raspberry Pi, Espruino can do that too! Just plug it in and control IO lines directly from your application or script by sending JavaScript commands!”




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4 Responses to “Espruino – JavaScript Interpreter for STM32 ARM Microcontrollers”

  1. Polytech Says:

    The XY laser control is cool but servos will wear out REAL SOON – for mirrors people normally use galvos (BLDC motors) that have no mechanical parts except for bearings – nothing mechanical will withstand the amount of oscillations needed to create a usable laser projection. But on the other hand, if you want to make your cat chase a laser pointer, that’s a perfect application for the servos. Hopefully either you or your cat will give up before the gears give out 🙂

  2. Alan Parekh Says:

    The cat idea sounds like fun. Mount it on the ceiling so that it can project around an entire room. Then draw something and have a slider for trace speed (or a random changing speed). I can just imagine my cat going crazy running around the room in the same pattern over and over!

  3. Polytech Says:

    Alan, if you end up doing it, be sure to make a video and post it on YT – Internet is seriously lacking in the “cat chasing a laser pointer” department 😉

    Oh, and another idea for a “serious” cat-related research came up to me this morning: you can once and for all put to rest the monumental question of our times: do cat have vertigo? Take your ceiling-mounted cat-guiding apparatus and program it to draw, say, 50 circles and then immediately a straight line across the room. Can your cat follow the straight line? If it can, draw 100 circles and then a straight line. Still going straight? Up the number of circles until the cat walks like a drunk driver on a DUI test – this will answer the burning question!

    (you can see I’m not really a cat person 😉 )

  4. Espruino Kickstarter – JavaScript Arm Based Microcontroller Platform - Hacked Gadgets – DIY Tech Blog Says:

    […] the Espruino we featured back in January? Check out their Espruino Kickstarter. The Kickstarter is fully funded so these […]

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