
Electronic enthusiasts provide two typical electric vehicle flasher circuits, and give the parameters and specific instructions in the circuit, I hope to help you!
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1. This circuit consists of an oscillating circ…

On May 18th, Air China Southwest Regional Marketing Center cooperated with Civil Aviation Express to launch a “station-to-door†ground extension service, which is a service for non-direct flights to the second and third-tier cities in …
Starting today, State Grid Beijing will conduct a survey of magnetic card meters in more than 3 million homes in the city.
According to the relevant person in charge of the State…

Over the past few years, high-brightness light-emitting diodes (HB- LEDs ) have rapidly improved performance in lumens per package and efficacy (in lm/w). The commercial 1W LED has been provided with a cool color temperature LED (color temperatu…
1 GSM-R handheld terminal function overview
The Ministry of Railways has determined to use the GSM-R system as the wireless communication platform for China's railways. Therefore, it is imminent to establish a comprehensive wireless communication system bas…