(laser beam receiver circuit diagram) Setting Up the Laser Trip Wire If you are planning on protecting your staircase with the laser tripwire, then it is better to set it up as shown in the following ...

The receiver consumes a strong current dependent of the digital code used by the remote system and it is between 30 mA and 100 mA. The power supply lines for T1 and T2 must be kept as short as ...

Most of you know how an NFC tag works. The reader creates an RF field that has enough energy to power the electronics in the tag; when the tag wakes up, two-way communication ensues. We’re ...