Yoctopuce, USB Sensors and Actuators

USB Sensors and Actuators

Yoctopuce designs, manufactures and sells USB devices to let your computer sit in the real world. Our USB modules are tiny, easy to install and easy to drive programmatically. Among them you will find:


Yocto-4-20mA-RxSmall USB module to read very accurately the output of two 4-20mA sensors. The device can convert the current measure to the equivalent physical measure on the fly, and includes a built-in data logger.

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Yocto-PowerRelay-V2USB interface driving an electromechanical power relay able to directly switch loads up to 5A.

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Application examples, hints and tutorials

Measuring time-encoded signals

While we were making improvements to the Yocto-PWM-Rx for our previous post, we noticed that this device has considerably changed since its conception in order to cover more use cases than the once planned initially. To help you navigate into all these possibilities, we summarize in this post the different working modes.

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Reed switches, magnets, and Yocto-PWM-Rx

A customer recently contacted Yoctopuce support to ask why his DIY tachometer didn't work with a Yocto-PWM-Rx. We looked into it and, to our surprise, we discovered that generating a clean PWM signal with a magnet and a reed switch was not as easy as one could think.

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