My new 4 channel RF remote control gadget.
Nosing around Ebay the other week I came across a listing for a 4 channel RF remote control module and key fob remote, http://www.ebay.co.uk/itm/181194171551 for only £2.57 with free delivery, so at that price I had to grab one.
The RF receiver module and it's remote.
The key fob remote.
Close up of the RF receiver PCB.
I couldn't find any information online for the board but thank's to Nick, http://madmindcreations.blogspot.co.uk/, who came across this on a Ebay item page from a different seller.
Modulation method: Amplitude modulation
Working voltage(V): DC5V
The static current(mA): 4.5mA
Working frequency(MHz): 315,433.92MHz(266-433MHz frequency can choose)
Transmission distance: 50-100 meters(In the field of open receiver sensitivity -100dbm)
Encoder types: Fixed code
Working temperature: -10 ? ~ +60 ?
Receiving sensitivity (dBm) : -105DB
With decoding receiver board
1.The operating voltage DC5V, receiver sensitivity is -98db. Leg 7 bits, respectively, VT, D3, D2, D1, D0, the +5 V and GND. VT is a valid signal high output pin Upon receiving a valid signal, the pin output high, may also drive the relay.
There are four buttons on the remote control, and respectively correspond to the four data bits to the receiving board output pin D0, D1, D2, and D3 of. Press the buttons transmit signals, the corresponding data bit is output high.
The remote in operation.
To give the remote a test I built a quick circuit up on breadboard and it worked perfectly.