AVT5374 / 2 B

Often, if an object has many rooms, there is a need to signal someone's presence in front of the entrance door simultaneously in many rooms. In another situation, if the object has many inputs, there may be a need to create the possibility of signaling the will to enter one room, eg the secretariat of the company. Our wireless bell can work with any large number of receivers and transmitters. Two receivers cooperate in a model application with one transmitter.

Recommendations: such a bell will be useful in every house or, for example, in a building where there are many entrances.

Basic information:

• work with unlicensed ISM 433MHz band
• identifying with a password
• possibility of cooperation of the transmitter with many receivers
• the possibility of the receiver cooperating with many transmitters, which can be distinguished by means of modulating the sound
• transmitter and receiver made using ATtiny2313 and software in Bascom AVR
• power
  
  • 3 x AAA transmitter
  • receiver from the 5Vdc plug-in power supply
• in the set there is a printed circuit board, a programmed layout, a set of elements and documentation

A detailed description in EP1 / 13 or