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-I2CUSB to I2C master adapter, with built-in data logger. Works without driver.

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Yocto-RangeFinderUSB range finder sensor based on infra-red laser time-of-flight. This device can estimate distances to objects up to 1 or 2m, depending on conditions.

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Application examples, hints and tutorials

How to fix Raspberry Pi 4 USB stack

Many users, including some of our customers, are beginning to use the Raspberry Pi 4 announced at the start of Summer. Unfortunately, the current firmware for Raspberry Pi 4 contains a bug which prevents our modules to work properly. This post is going to show you how to update your Raspberry Pi and correct this bug.

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New: The Yocto-RS485-V2

Once again, we have the pleasure to announce a product improvement. We are replacing the Yocto-RS485, our RS485 insulated interface, with the Yocto-RS485-V2 which is fully compatible but benefits from improvements in terms of electromagnetic compatibility.

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