The principle of the touch sensor light column lamp is that the internal installation of the electronic touch ic forms a control loop with the electrode at the touch of the lamp.
When the human body touches the sensing electrode, the touch signal is transmitted to the touch sensing end by pulsating direct current to generate a pulse signal, and then the touch sensing end will emit a trigger pulse signal degree, which can control the light.
If you touch it again, the touch signal will be transmitted to the touch sensing end by pulsating direct current to generate a pulse signal, at this time the touch sensing end will stop sending a trigger pulse signal, and when the AC current passes zero, the light will go out naturally.