Colorful backlight wireless temperature and humidity weather forecast schemeProduct features:1. Typical working voltage: 3.0V2. LCD parameters: 1 / 3 bias, 1 / 8 duty; Driving voltage 4.5V3. The relat
2021-11-29 hongling 63
Wireless temperature, humidity and atmospheric pressure weather forecastProduct features:1. Typical working voltage: 3.0V2. LCD parameters: 1 / 3 bias, 1 / 8 duty; Driving voltage 4.5V3. The relativel
2021-11-29 hongling 48
Working principle and characteristics of LED flashlight scheme developmentThis paper introduces a case of LED flashlight scheme development. With the development of electronic technology, the original
2021-11-29 hongling 98
Bluetooth headset1: For the first use, try to charge the headset for 2-4 hours. After that, it can be charged for 2 hours each time. Too long charging time will directly lead to aging or even burning
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