You have no idea if thieves break into your house in your absence? Can you imagine if the light in your house turns on when you open the door? Or do you want your bedroom light to turn off automatically when you enter the living room? Any of your ideas will come true with the Sensor of Door/Window Wireless Sonoff DW2-Wi-Fi. The DW2-Wi-Fi comes in two pieces, the transmitter fits on the door or window and the magnetic key is fixed to the frame. It can help secure your door or window so you know your home is safe wherever you are. The sensor will trigger an alarm for your smartphone to warn you of an intruder when the door or window is opened.

Compatible with Smart Home Xiaomi - Programmable via My Home App - Button Warning

Xiaomi's range of home products called Xiaomi Smart Home continues to grow and presents a new addition to its collection. It is whether this Switch / Notification Button with which we can give a warning to the smartphone or another product in the Mi Smart Home range in a tactile way. This Xiaomi Switch can be used well to warn a person in the home that they need your presence in the place where you gave the warning, or as an emergency button in case of people with reduced mobility.

The DUAL R3 Lite is a Module of Dual Smart Switch with Relays controllable by WiFi, through mobile devices such as smartphones or tablets, but they can also be controlled with voice commands through Siri or other virtual assistants such as Alexa or Google Assistant. This Smart Switch was designed to be installed behind switches, in a junction box or on a DIN rail and allows you to remotely control (via WiFi) your lights, blinds or other electrical devices.

Cable USB to Serial Adapter RS232, 1,5m Length.

USB2.0 Standard, Backward Compatible, According to RS485 Standard.

Wireless Switch - Remote Control - Zigbee

The Xiaomi Aqara Wireless Mini Switch is a wireless switch with just one button, which serves to control other smart devices through its Zigbee wireless connection. You can use it as a buzzer, remote control etc ... through the mobile phone application. Imagine touching a button and turning off all appliances in the house wherever you are from the App? Now with this Xiaomi button this action and many others are possible. It is compatible with different intelligent control sensors.

Switch Module for Wi-Fi Automation 100-240V 16A - Sonoff MINI R3

Converter SSOP28 to DIP28.

We have no idea what USB device you are hooking up to, but if you want to access the microUSB port on something, you might want this.

SparkFun RFM69 Breakout 915MHz

SparkFun Infrared Control Kit

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. 

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 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.

Place this Smart Switch on the power line of any wired device to turn it on and off remotely or to program it automatically. Take control of the connected device using your voice when using this switch with Amazon Alexa or Google Home.

Smart Relay, WiFi 2.4 GHz IEEE802.11 b / g / n, Up to a Maximum of 10A, Compatible with TUYA Smart, Compatible with Alexa and Google Assistant, Timer Function, Energy Saver and Environmental Protection, Remote Control from Smartphone Anytime, Anywhere, by Nivian Smart.