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HY 433mhz Garage Door Remote Control
The remote control is used for a long time, and the conductive sheet of the key is dirty, leading to the failure of the key.
The emergency solution is to carefully open the back cover of the remote control, dip a cotton swab with alcohol, wipe the conductive rubber on the plastic key piece and the printing surface of the printing board. Black material will be left on the cotton swab, and then replace the cotton swab and wipe again until there is no more black material. Then reinstall the remote control. -
HY RF 433 Remote Control
RF remote control, is a wireless electromagnetic wave signal to achieve the control of by the electrical equipment, they can command or drive other corresponding mechanical or electronic equipment to complete various operations, such as closing the circuit, moving the handle, starting the motor, and then the machinery to carry out the required operations. As a kind of remote control supplemented with infrared remote control, it has been widely used in garage doors, electric doors, road gate remote control, burglar alarm, industrial control and wireless smart home.
