There is a second Arduino inside equipped with a 433mhz receiver. When the garage door is open, the Arduino inside the house flashes an LED reminding the forgetful occupant to close the door.

The upgraded receiver is also linked on his page. We’ve delved into thermocouple reading recently, and we’ve featured [Tim Leland] and his 433MHz radios before.

A built-in 433Mhz. receiver supports two button wireless key fobs, providing an ideal solution for parking garage and gate control applications. The CV-603 two door controller is 26, 30 & 37 bit ...

The companies have tested the operability of Omni-ID's new Power 415 tag with Guard RFID's Tag Reader Receiver, and will begin selling their hardware, based on the IEEE 802.15.4f standard, and free of ...