Novel practical multi-channel infrared remote control switching circuit

Published:2011/10/19 22:06:00 Author:Rebekka | Keyword: Novel practical , multi-channel, infrared remote control, switching circuit | From:SeekIC

The teleswitch is reliable, and the debugging is simple, and it can realize nine-group control. It is used to remote control different household appliances and the remote control installments. The entire circuit is composed of transmission and receiving. Transmission circuit is shown in Figure 1, and the code is completed by pulse telephone number dialing integrated circuit CIC9110. When people presses down any number between“1~9”, the special-purpose pulse generator's pin ⑨ outputs high level pulse, and its speed may amount to for 20/seconds. These pulses are delivered directly to A's pin ①, its oscilation frequency approximately is 38kHz.



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