This circuit power supply uses a capacitor step-down half-rectifier circuit. Since the board has 220V mains, it should be safe in the production. When using, plug the power plug of the remote control home appliance into the power socket Cz. The transmission codes of the keys of the remote control transmitter are different, so the use effect of each key is also different, and the manipulation of the keys also has an influence on the control. Remote control circuit composed of 74LS74 (click to enlarge):
We provided various good quality Alarm Vehicle siren Speaker with high quality sound. Some can be mounted into lightbar, also can be used separately. with excellent workmanship and high reliability. Technical specifications are in accordance with international standard. You can choose High quality Thick aluminium alloy shell or ABS plastic material model.advantages are:compact structure design,fashion appearance,simple installation , water proof and aquosity proof,corrosion resistant and anti-vibration.Mainly adopting Nd-Fe-B magent with high electroacoustic transmission rate and electricity-sound exchange, efficient and wide frequency range.Technical specifications are in accordance with international standard. Customized Power are accepted. Customized Colors are accepted. OEM and ODM orders are welcome
Vehicle Alarm Speakers,Car alarm speaker,Emergency Vehicle Sirens,Siren Speaker,car alarm siren
Taixing Minsheng Electronic Co.,Ltd. , https://www.msloudspeaker.com