Espruino 1.4 Open Source JavaScript Microcontroller

Espruino 1.4 Open Source JavaScript Microcontroller

Marsoni

M251S

$66.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Espruino 1.4 Open Source JavaScript MicrocontrollerTry the JavaScript of things with the Espruino 1. 4 the world's first open source JavaScript microcontroller! This tiny board features an STM32 microcontroller pre programmed with Espruino, allowing you to start coding in JavaScript immediately. The Espruino offers instant code execution which provides quick and easy debugging and allows projects to be tested live instead of waiting for flashing. It works with Windows, Mac OS, Linux, Raspberry Pi,

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Your Espruino 1.4 Open Source JavaScript Microcontroller orders ship within 1-2 business days.

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Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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Great everyday lotion and an excellent value for the price. The texture is light and creamy, not greasy, and it absorbs quickly. I like the scent, though scent preference is personal. Shipping was fast. The only downside is the pump—it was difficult to open and required turning it counterclockwise, then clockwise, which was more effort than it should have been. Once it popped up, it works perfectly.

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Reviewed in the United States on January 25, 2026