Quad-band GSM emergency call service (850/900/1800/1900 MHz) which allows you to send calls and / or text messages with help request to a list of telephone numbers (max. 8) before pressing the button on a 433 MHz remote control stored.
The transmitter, to be worn around the neck with a necklace or string (string) of those for company passes or badges, allows the transmission of the alarm request even in large apartments, villas and e
Sealed rechargeable battery with a rated voltage of 6 V, 3.4 Ah of capacity and low level of self-discharge. Dimensions: 134 x 34 x 62 mm; Weight: 630 g. Suitable for alarm systems, UPS, toys, etc. Technical spetifications Rated voltage: 6 V Capacity: 3.4 Ah Weight: 630 g Dimensions: 134 x 34 x 62 mm Go…
In this post we will deal with an interesting solution to overlat text on a video signal. This solution, which uses the LM1881 integrated, has a lot of use cases accompanied by variable software challenges. For this reason this post is a kind of tutorial, presenting no vertical solution, but instead providing an overview…
RFID Tags are increasingly used for many applications such as identifying objects by means of a code or access control. In logistics RFIDs allows asset tracking, or monitoring conveyor belts; in shops tags are often used as anti theft. RFIDs are also used for presence detection and security, with several use cases, for example in…
Today we introduce a great LCD expansion shield for Raspberry Pi that allows you to create an interface to control applications without the need to constantly keep a monitor, keyboard and mouse connected. Cool! Isn’t it? The enhanced value of a micro PC as Raspberry Pi with respect to a classic microcontroller is to…
Compact and handy, this air compressor allows you to inflate tyres of bicycles, motorcycles, cars and, thanks to the nozzles provided, even dinghies, inflatable boats and balls. The device can also be used as a torch. Power supply via cigarette lighter socket (12V); maximum pressure 8 bar (116 PSI), power: 30 w, air hose length:…
12-step / 360 ° rotary encoder (30 ° step). The output signal is based on the gray code which allows to know in which direction the encoder has been rotated. It also has a button n.a. which is activated when the encoder shaft is pressed downwards. Knob included. Technical specifications Output: codice gray 2…
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