This example describes a 4-way wireless remote control switch, which uses wireless remote transmission/reception and wireless remote control special encoding/decoding integrated circuit to make it possible to simultaneously control 4 different electrical appliances or control different working states of the same electrical appliance. The wireless remote switch circuit is composed of a wireless remote transmitter circuit and a wireless remote receiver controller circuit as shown in the figure. Wireless remote transmitter circuit is composed of wireless remote transmitter ICl, wireless remote encoder and switch control circuit. Wireless remote transmitter circuit The wireless remote receiver controller circuit consists of a wireless remote receiver IC3, a wireless remote decoder, and a control execution circuit. Wireless remote control receiver controller circuit Component selection R1 ~ R11 use 1/4W carbon film resistors or metal film resistors. C chooses monolithic capacitors or polyester capacitors. VD1 ~ VD8 are selected 1N4148 silicon switching diodes. VS uses 1/2W, 5.6V Zener diodes. VL chooses φ3mm or φ5mm light-emitting diodes. V1 ~ V4 are selected S8050 or C8050 silicon NPN transistor. IC1 use T630 wireless remote control transmitter; IC2 use VD5026 wireless remote control encoder integrated circuit; IC3 use T631 wireless remote control receiver; IC4 use VD5027 wireless remote control decoder integrated circuit. K1 ~ K4 are selected 6V DC relay, the contact current capacity should be determined depending on the power of the controlled appliance. S1 ~ s4 are selected miniature dynamic (normally open) type button.
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March 27, 2023