Espruino Pico

This piece of hardware is the Espruino Pico which is designed to be programmed in Javascript ,the Pico is designed to plug right into you computer’s USB type A connector, or a USB extension lead.


The Pico has the following feature swhich I found interesting


22 GPIO pins : 9 Analogs inputs, 21 PWM, 2 Serial, 3 SPI, 3 I2C
All GPIO is 5 volt tolerant (Arduino compatible)
Two on-board LEDs and one button.
STM32F401CDU6 CPU – ARM Cortex M4, 384kb flash, 96kb RAM


You need to setup a com port, I have tried this on Windows 7 and Windows 10

Non-Windows XP Users download version 1.4.0 drivers. Unzip the file, run the executable, and then go to C:\Program Files (x86)\STMicroelectronics\Software\Virtual comport driver in Windows Explorer and double-click either dpinst_amd64.exe for 64 bit systems, ordpinst_x86.exe for 32 bit.

There is a nice webide that can be added to chrome as follows


Start the webdide and click on the connect and select the correct com port

espruino ide1
Code Example

This simply switches the 2 led’s on and off
[codesyntax lang=”javascript”]

var on = false;
var off = true;
setInterval(function() {
on = !on;
off = !off;
}, 500);


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