The Si7021 is a low-cost, easy-to-use, highly accurate, digital humidity and temperature sensor. 

This is the newest revision of the FTDI Basic. There is a SMD 6-pin header on the bottom, which makes it smaller and more compact. Functionality has remained the same.

This is a basic breakout board for the FTDI FT232RL USB to serial IC. 

This is a very simple breadboard power supply kit that takes power from a DC wall wart and outputs a selectable 5V or 3.3V regulated voltage. 

Life has its ups and downs, so why not measure them? The MPL3115A2 is a MEMS pressure sensor that provides Altitude data to within 30cm (with oversampling enabled).

The NCP1402 is a 3.3V DC-DC converter. 

The purpose of this sensor is to measure the sound intensity of the surrounding environment.

You can fix it to the wall using screws or double sided tape. Have Command tidy and always at hand with this Simple Support.

The RM433 Remote Control is an advanced version of 433MHz 4-Button RF. Designed with 8 buttons to perform various functions performed on different types of devices. Like fan speed adjustment, brightness setting, etc.

The SonoffRFR2 is a Sonoff version with an integrated 433MHz RF receiver module. This product can be used in conjunction with an RF remote control, which allows you to control appliances indoors.

Sonoff Pow R2 is an intelligent wireless power switch with monitoring of power consumption. Compared to Sonoff Pow, the Pow R2 has many new features and higher measuring accuracy.

Although you have decorated your home with RGB lamps , this may not be enough. To go even further, have you considered trying LED strips Smart to improve the look of your home? The SonOff L1 Lite can be used as additional lighting and decoration. It is an easy and affordable way to add accent lighting to your indoor space, including stairs, cabinet, ceiling, TV wall, Christmas tree and more, while also creating an engaging and fun atmosphere.

Sonoff BasicZBR3 is the first Sonoff ZigBee DIY smart switch that connects the SmartThings hub to control all devices connected via SmartThing APP on iOS / Android phones to access rooms, scenes, members or automations mode to build a smart home.

Want to control when one of the devices you have connected to a USB port is turned on or not? With the new Sonoff Micro USB Smart Switch Control, you'll be able to control it on your mobile phone, program it to activate when you need it and whatever you have in mind. With a small size and high performance, this Switch is your best ally every day.

These Nedis WiFi Smart Personal Scales instantly show your weight. Since your health is determined by so much more, these smart scales also measure levels of fat, BMI, bones, muscles, water and proteins.

Open and close your electric curtains, blinds and umbrellas with your smartphone, tablet or any home voice control device, such as Amazon Alexa or Google Home. This Smart Curtain Controller can also be configured to operate when other Nedis SmartLife are turned on and off, so that your curtains close when a light is turned on, for example.

With this Doorbell with Nedis SmartLife Video you always know that someone is at your door or not, no matter where you are. As soon as your visitor rings the bell or, thanks to motion detection, even approaches your balcony, you will receive a push notification on your smartphone. You can then initiate a video call, asking the courier to deliver the package to your neighbors or telling the seller that you are not interested - all without opening the door.