EDRF3

RF Link with Decoder/Receiver

Pin definitions ANT、GND、LED、SW、VT、D0、D1、D2、D3、VDD、GND

• ANT - antenna,
• LED - external singal status LED
• SW - external learning switch
• VT - same as LED
• D0-D3 - Data output
• VDD - Power posistive in
• GND - Power ground

working mode

• T2 T1 off - default point mode
• T2 connect T1 off - lock mode
• T2 off T1 connect - inter-lock mode

How to pair

• Learning and pairing:

1. Hold learning button for 2 seconds and release,
2. LED blink once, enter into pair mode
3. on transmisster, press any button to pair
4. receiver board receive signal, LED blink 4 times means succeed.

• Clean pair

1. pair button hold more than 8 seconds, LED up, after 8 seconds LED off means succeed clean.

RF Link with Encoder and Decoder PT2262/PT2272

Pin Definition, Modes, Antenna, Encrption

Pins (From left to right on top side)	Function
VT	Receive signal (optional)
D3	Data output
D2	Data output
D1	Data output
D0	Data output
5V	5V Power Supply
GND	GND

• Data output of receiver will be the same of data send from remote controller, so in theory, when you push button 1, you will get 0001 from D0~03, and when you push button 2, you will get 0010 accordingly.

About Modes setup

• M4（push-down: hold for output, unhold to stop output）- this is default mode
• L4（interlock:only one of four of the output can work in the same time）
• T4（selflock: four output are independent, push once to output and push again to stop）

About Extra Antenna on Receiver - If your require more far tranmission distance, it is better to use 1/4 wavelength antenna, 50 ohm single-core wire, the length of the antenna is about 23cm for 315M, and 17CM for 433M. Solder it on ANT pad. About - Further Encryption

• This RF link works as fixed code encryption, not the high level security, but will good enough for many normal cases, like car garage door.
• A0~A7 pins are the address pins, on both transmitter and receiver should be matched for communication.
• These pins has three states: float, to VCC, to GND.