![]() Pin 3 of your Arduino should connect to pin 2 of your RF Link Transmitter 434MHz. This is the setup which will work with either RF Link frequency band. The example code used with the an Arduino microcontroller explains the setup for each RF Link. This library worked with both Arduino 0023 and Arduino 1.0.6. I was able to get it working with this library => VirtualWire 1.20. However, I have tested the RF modules with the VirtualWire librarie and Arduino 1.0.6 IDE software. To ensure that the RF links are working, we recommend trying to get the RF links working with our example code first. However, if you are concerned you may have received the incorrect product you can verify which version receiver this is by running a simple test circuit. SparkFun does everything in our power to make sure you receive the product you requested. ![]() Note: These receivers are almost identical to the RF link 315MHz receiver. Please refer to the example code and links below for ways to accomplish a robust wireless data link. The example code below shows such an example for basic operation. ![]() Therefore, a method of filtering this noise and pairing transmitter and receiver will be necessary. ![]() Both the transmitter and receiver work at common frequencies and don't have IDs. Note: These modules are indiscriminate and will receive a fair amount of noise. Since these are only receivers, they will only work communicating data one-way, you would need two pairs (of different frequencies) to act as a transmitter/receiver pair. They can easily fit into a breadboard and work well with microcontrollers to create a very simple wireless data link. These wireless receivers work with our 434MHz transmitters. ![]()
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