Circuitry & Internet of Things

As the most basic part of life, air is attracting more and more attention, for example, the most common PM2.5, PM1.0, PM10, etc. Keeping an eye on ...

The SparkFun Qwiic ToF Imager is a state of the art, 64 pixel Time-of-Flight (ToF) 4 meter ranging sensor built around the VL53L5CX from ST. This c...

This is a hydrogen and nitrogen oxide gas concentration sensor launched by DFRobot. The sensor uses MEMS technology to support gas concentration d...

This Universal Smart IR Remote Controller lets you control your home entertainment and automation devices all in one place - from your phone!  S...

If you have a Raspberry Pi LoRa project using our fancy 8-Channel LoRa HAT you want enclosed and need something extra durable, this enclosure is ab...

When we first saw the Notecard from Blues Wireless we were intrigued. Unlike most embedded cellular modems, the price of the Blues Wireless card in...

The M1600HCT-P-SMA is unique antenna combining the ability to communicate with the Iridium satellite network while simultaneously receiving L1 GNSS...

I²CMini is an easy-to-use, open-source tool for controlling I²C devices over USB, 100% compatible with I²CDriver. Its a small friend that will make...

The SGP40 Air Quality sensor adopts the new SGP40 digital VOC sensor chip launched by the well-known Sensirion. Based on the Sensirion’s CMOSens® t...

Expand your project possibilities, with the Adafruit AW9523 GPIO Expander and LED Driver Breakout - a cute and powerful I2C expander with a lot of ...

This Gravity: I2C HUB module is designed to connect up to 8 I2C devices to a main-controller, which allows you easily to hook up multiple I2C devic...

Breathe easy - we finally have an I2C VOC/eCO2 sensor in the Adafruit shop! Add air quality monitoring to your project and with an Adafruit CCS811 ...

The SparkFun SGP40 Air Quality Sensor provides a measurement of the quality of the air in your room or house. The Sensirion metal oxide (MOx) senso...

This WiFi IoT module would be an excellent choice for IoT classroom teaching and smart home projects. It supports multiple programming platforms, s...

This is a ESP8266 IOT board- our take on an 'all-in-one' ESP8266 WiFi development board with built in USB and battery charging. It’s an ESP8266 WiF...

NOTE: This product is only 2G Compatible! Unfortunately while there are still 2G networks in some parts of America and Europe, there are no longer...

NB-IoT (Narrow Band-Internet of Things) technology is a new IoT technical branch and supports cellular data network connection of low power consump...

Cooling fans...They're everywhere, and they serve the important purpose of keeping things cool, generally electronics. One might rightfully think: ...

Living through this pandemic has made contactless temperature sensing a must! The Qwiic IR Thermometer utilizes the MLX90614 temperature sensor you...

Pycom's WiPy 3.0 – a tiny MicroPython-enabled WiFi & Bluetooth IoT development platform. With a 1KM WiFi range, state of the art Espressif ESP3...

The BGM220 Explorer Kit from Silicon Labs is an ultra-low cost, small form factor development and evaluation platform for the BGM220P Bluetooth® Mo...

The Relay 4 Zero provides a solution for controlling low and medium current/voltage devices with your Raspberry Pi Zero (or any 40-pin Raspberry Pi...

The CH101 from TDK InvenSense is a ToF (time-of-flight) ultrasonic rangefinder with a range of 4 centimeters to 1.2 meters. What sets the CH101 apa...

Do you want to DIY some funny and practical “IOT” applications? Welcome to the world of ESP8266 NodeMCU. It’s an ESP8266 WiFi module with Crowtail ...