Products
Best Sellers
Yocto-PT100 Quick view

Reference: PT100MK1

Brand: Yoctopuce

Yocto-PT100

Review(s): 6
Small device to measure the temperature with very high precision, using a PT100 temperature sensor (2, 3 or 4-wires supported). The device includes a built-in data logger to record measurements. The PT100 connection is electrically isolated from the USB bus. You can add Ethernet, Wireless or GSM connectivity to this device.
€86.67
More
In stock
Yocto-Meteo-v2 Quick view

Reference: METEOMK2

Brand: Yoctopuce

Yocto-Meteo-v2

Review(s): 5
This USB module is tiny weather station: it features a temperature sensor, a humidity sensor and a pressure sensor. It includes a built-in data logger as well. You can add Ethernet, Wireless or GSM connectivity to this device.
€64.57
More
On demand
Yocto-PowerRelay-V2 Quick view

Reference: RELAYHI2

Brand: Yoctopuce

Yocto-PowerRelay-V2

Review(s): 4
USB interface driving a tiny electromagnetic relay capable of switching directly mains powered appliances, up to 1250W. You can add Ethernet, Wireless or GSM connectivity to this device.
€27.97
More
In stock
All best sellers
Yocto-I2C
  • Yocto-I2C
  • Yocto-I2C
  • Yocto-I2C
  • Yocto-I2C

Yocto-I2C

YI2CMK01
Yoctopuce
Rating 

USB to I2C master adapter, with built-in data logger. Works without driver. You can add Ethernet, Wireless or GSM connectivity to this device.

€52.93
Tax excluded
2 weeks
Quantity
On demand

Secure Payment Pay by credit card (Visa, Mastercard) via PayPlug or by bank transfer.
Free shipping over 1500 EUR Fast worldwide delivery. Free shipping for orders over 1,500 EUR excl. tax.
B2B specialist support Technical support available 5/7. We use these products in our own monitoring projects.
CB Visa Mastercard Bank Transfer
Description

This device is an USB to I2C adapter, it will allow you to query circuits through an I2C bus. If needed, the Yocto-I2C can act as a voltage source to power the external circuit with 1.8V, 3.3V or 5V. The I2C communication can be configured to 1.8V or 3.3V. The Yocto-I2C can act as an I2C master only, not an I2C slave.

The Yocto-I2C can autonomously query and parse I2C data coming from any external I2C sensor and expose measures as if they were coming from a Yoctopuce sensor, with all the inherent advantages: unique identifier, polling, callbacks, data logger. Be aware that this device does not work with applications designed to use a COM port: it is designed to be used with Yoctopuce API only.

This device can be connected directly to an Ethernet network using a YoctoHub-Ethernet, to a WiFi network using a YoctoHub-Wireless-g, it can even be connected to a GSM network thanks to the YoctoHub-GSM.

Product Details
YI2CMK01

Data sheet

Width
20mm
Length
50mm
Weight
6g
USB connector
micro-B
Normal operating temperature
5...40°C
Extended operating temperature
-30...85°C
Supported Operating Systems
Windows (PC + IoT), Linux (Intel + ARM), macOS, Android
Drivers
no driver needed
Suggested enclosure
YoctoBox-Long-Thick-Black
IEC protection class
class III
Compliance
RoHS III (2011/65/UE+2015/863)
API / SDK / Librairie
C++ Obj-C C# VB.NET UWP Delphi Python Java Android LabVIEW
API / SDK / Librairie (seul.TCP)
Javascript Node.js PHP
Reviews
Grade 
Raphaël L.
05/21/2025

Plug-and-play, gain de temps

Nous avons déployé 5 unités sur différents sites. Le plug-and-play est un vrai atout par rapport aux solutions qui nécessitent des drivers propriétaires.

16 other products in the same category:
Yocto-Light-V3 Quick view

Reference: LIGHTMK3

Brand: Yoctopuce

Yocto-Light-V3

Review(s): 4
Ambient light sensor (luxmeter), for measuring light intensity from 0 to 100'000 lux, with built-in data logger. You can add Ethernet, Wireless or GSM connectivity to this device.
€27.40
More
In stock
Yocto-MiniDisplay Quick view

Reference: YD096X16

Brand: Yoctopuce

Yocto-MiniDisplay

Review(s): 0
Tiny USB-driven OLED display (light blue), for text, images (96x16 pixels) and animated sequences. You can add Ethernet, Wireless or GSM connectivity to this device.
€45.23
More
On demand
New Yocto-PowerRelay-V2-C Quick view

Reference: RLAYHI2C

Brand: Yoctopuce

Yocto-PowerRelay-V2-C

Review(s): 3
USB interface driving an electromechanical power relay able to directly switch loads up to 5A. You can add Ethernet, Wireless or GSM connectivity to this device. This module is available in several connector variants...
€28.21
More
In stock
New Yocto-0-10V-Rx-C Quick view

Reference: RX010V1C

Brand: Yoctopuce

Yocto-0-10V-Rx-C

Review(s): 0
Small USB module to read the output of two 0-10V sensors. The device can convert the voltage measure to the equivalent physical measure on the fly and includes a built-in data logger. You can add Ethernet, Wireless or GSM connectivity to this device.
€98.06
More
In stock
Yocto-MaxiDisplay-G Quick view

Reference: YD128G64

Brand: Yoctopuce

Yocto-MaxiDisplay-G

Review(s): 0
Small USB-driven OLED display (green), for text, images (128x64 pixels) and animated sequences. You can add Ethernet, Wireless or GSM connectivity to this device.
€117.39
More
In stock
Yocto-RS485-V2 Quick view

Reference: RS485MK2

Brand: Yoctopuce

Yocto-RS485-V2

Review(s): 2
USB to RS485 insulated adapter, with built-in MODBUS support. Works without driver and without COM port. You can add Ethernet, Wireless or GSM connectivity to this device.
€90.36
More
On demand
Yocto-Color-V2 Quick view

Reference: YRGBLED2

Brand: Yoctopuce

Yocto-Color-V2

Review(s): 5
This tiny USB device can drive up to 146 smart RGB/RGBW LEDs such as WS2812B, WS2812C, SK6812 or SK6812RGBW You can add Ethernet, Wireless or GSM connectivity to this device.
€28.66
More
In stock
Yocto-MaxiDisplay Quick view

Reference: YD128X64

Brand: Yoctopuce

Yocto-MaxiDisplay

Review(s): 2
Small USB-driven OLED display (light blue), for text, images (128x64 pixels) and animated sequences. You can add Ethernet, Wireless or GSM connectivity to this device.
€117.39
More
On demand
Yocto-PowerRelay-V2 Quick view

Reference: RELAYHI2

Brand: Yoctopuce

Yocto-PowerRelay-V2

Review(s): 4
USB interface driving a tiny electromagnetic relay capable of switching directly mains powered appliances, up to 1250W. You can add Ethernet, Wireless or GSM connectivity to this device.
€27.97
More
In stock
Yocto-Thermistor-C Quick view

Reference: THRMSTR1

Brand: Yoctopuce

Yocto-Thermistor-C

Review(s): 2
USB interface allowing to connect up to 6 thermistors, PTC or NTC. All six channels share a commun wire. You can add Ethernet, Wireless or GSM connectivity to this device.
€108.77
More
On demand
Yocto-Volt Quick view

Reference: VOLTAGE1

Brand: Yoctopuce

Yocto-Volt

Review(s): 6
This tiny device is an isolated voltage sensor, for both AC and DC. It is electrically isolated, and includes a built-in data logger. You can add Ethernet, Wireless or GSM connectivity to this device.
€68.49
More
In stock
Yocto-Display Quick view

Reference: YD128X32

Brand: Yoctopuce

Yocto-Display

Review(s): 0
Small USB-driven OLED display (light blue), for text, images (128x32 pixels) and animated sequences. You can add Ethernet, Wireless or GSM connectivity to this device.
€98.98
More
On demand
You might also like