Wireless Module GPRS Antenna SIM Card SIM800L ESP32 CH9102F
A Module with GPRS Antenna, operation Wireless and SIM Card.
(SEM IVA 23.55€)
A Module with GPRS Antenna, operation Wireless and SIM Card.
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.
Stem Shield for your Arduino, the Velleman.
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.