To assemble an IR Receiver you will need a soldering iron, solder, wire cutters and pliers. Another tool that makes assembly very simple is a set of “Helping Hands”. This is a tool that has 2 clips that can hold electronic parts in place while you solder them together. If you use a set of helping hands wrap the clips with electrical tape to protect the electronics.

CAUTION: Read the caution in the Stair Light Assembly section. It also applies to the IR receiver.

The IR Receiver assembly consists of a resistor in series with an IR transistor. The receiver detects the invisible light produced by the IR transmitter and then sends a signal to the stair light controller. The wire leads are 10 inches long; this is long enough to connect the IR Receiver to a wire that runs to the controller. Each IR Receiver includes 3 crimp connectors for this purpose.

1. Prepare the cable. Cut a section of cable to 10 inches. Strip the end off the cable exposing the 4 conductors inside.

2. Remove extra conductors. We require all but the green conductor. Cut the green wire out as close to the jacket as possible.

3. Trim components. Trim the resistor as shown and place it beside the red wire so that the red wire can be cut and stripped to match the left lead of the resistor. Clip the IR receiver’s leads as shown.

The resistor used has a value of 47K ohms.
The value of the resistor is represented by colored bands on the resistor.
47K ohms is YELLOW VIOLET ORANGE GOLD.

4. Solder the resistor. Hold the resistor in place while soldering the red wire to it. Next attach the other side of the resistor and the yellow wire to the collector of the IR Receiver, this side has a flat spot on it to easily identify it. Remember not to apply too much heat, read the caution.

5. Connect the negative wire. Slide the black heat shrink over the black wire, solder the black wire to the IR Receiver.

6. Install black heat shrink. Slide the black heat shrink tight to the IR Receiver’s body. Carefully heat the heat shrink using an appropriate heat source while making sure the IR Receiver does not get hot (read the caution again)! Once the heat shrink is in place there should be no exposed wire on the black side.

7. Install blue heat shrink. To protect all of your hard work slide the blue heat shrink over the resistors and the exposed wires. Carefully heat the heat shrink using an appropriate heat source.

8. Prepare the wire connection end. Strip the end and remove the wires that are not being used; only keep the black, red and yellow wires. Then strip the ends of the black, red and yellow wires and you are done!

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