4 Channel Wireless Four Button RF Remote Control Transceiver Module 1uF Gray level 256 can be

Gray level 256 can be adjusted and scan frequency not less than 400Hz/s

You don't need to worry about the power adapter because it'll function well with your old 5V 3A power supply adapter

It's a CD017 decade counter IC in DIP package

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4 Channel Wireless Four Button RF Remote Control Transceiver Module 1uF Gray level 256 can beThe 4 Channel Wireless Four Button RF Remote Control Transmitter Receiver Module with Non Locking mode can be composed of a fixed code four radio receiver circuits, remote control of four four bit data output code corresponding to the module, you can easily make up a wireless remote control receiver circuit. They are widely applied in the majority home electronics enthusiasts, industrial remote control electronic product design and development can be