Simple 4-channel remote control

Simple 4-channel remote control

You can build your own long-range infrared (IR) wireless remote control using Motorola's MC145026 transmitter and MC145027 detector chip. With your remote, you can control devices up to 20 feet (7 meters) away. It operates similarly to a TV remote. You simply point the transmitter at the detector and press the send button. The detector then interprets your data signal. You can use this circuit to remotely turn devices (such as motors, relays, and household appliances) on/off.