The SIM800L is a telephone module, SIM800L integrated, a GSM/GPRS module, compatible only with 2G network. If you want to integrate a phone module into your design with Voice, Text and SMS, this hand solder module is great!
An ESP8266 Wifi Shield for Arduino.
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.
With this GSM Module, you can control devices by sending SMS messages. It is controlled via AT commands and can be integrated with your Arduino projects. Designed for the global market, modules based on the SIM900A feature the GSM/GPRS bands of EGSM 900MHZ and DCs 1800MHz.
The HC-12 433MHz Transceiver is a wireless communication Module, which is based on the RF SI4463 chip, has a built-in microcontroller and can be configured by AT commands, the maximum output power is 100mW (20dBm) and the receiver sensitivity differs from: 117dBm to -100dBm, depending on the transmission speed. Accepts 3.2V - 5.5V and can be used with 3.3V and 5V UART voltage devices.
A Module with GPRS Antenna, operation Wireless and SIM Card.
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.
The RM433R2 Remote Control is an upgraded version ofthe RM433 with 433MHz, Smoother Surface, equipped with an improved Smart Chip for a greater RF Control Distance. Designed with 8 buttons to Perform Various Functions when running on Different Types of Devices. Such as Fan Speed Adjustment, Brightness Setting, etc. Simple and Elegant Look Gives Any Surface a Beautiful Decoration when Stored on the Wall.
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.
The DUALR3 takes your home to the next level. The DUALR3 is a built-in Switch WiFi Dual Relay Module that installs behind any standard switch for turns it into a smart switch for wireless remote control with mobile devices or voice command. Unify your appliances into an integrated wireless network to make them communicate with each other, which is convenient to control, including lights, appliances and motorized installations like shutters, awning, etc.
The MINIR2, like the MINI's rugged Diy Two-Way Smart Switch, has been redesigned to bring safety and performance to an optimum level. The small and compact smart switch is used for different types of switch boxes, even the smallest standard EU switch box. Convenient to automate your appliances in the eWeLink app with your mobile phone or by voice command.