Four-channel wireless remote control toy car composed of TX-2/RX-2

Relevant key device information applied in this article: TX-2 RX-2 8550 9014 9018 TX-2/RX-2 is a pair of remote control special integrated circuits manufactured using CMOS technology. It has low power consumption and a wide range of power supply voltages. , stable and reliable operation, few peripheral components, etc. TX-2 is a coding transmitter circuit, and RX-2 is a decoding receiving circuit used in conjunction with TX-2. A four-channel wireless remote control toy composed of TX-2/RX-2 The car transmitter circuit is shown in Figure (a), and the receiver circuit is shown in Figure (b).