Previously, in the project test, it was necessary to cut off the power supply at a fixed time to verify the product's 200ms power-off switching capability. At that time, a 2A/DC 30V relay (Omron) was ...
As shown above, the laptop model is Dell 7490, and the system is Win10. Recently, this interface has appeared frequently, and there is no change at 0%. I can only force shutdown. I have uninstalled al...
One week after Huawei employee Hu Xinyu passed away, on the evening of June 5, a Huawei employee was finally willing to stand up and tell the true situation of Huawei's overtime. It can be seen that t...
1 RVB2601 Unboxing Introduction
Front of the board:Back side of the board:RVB2601 is a development board based on the Pingtouge eco chip CH2601. The onboard resources include:JTAG DebuggerWiFiBLE chip...
I would like to ask you experts, this multisim simulated PWM circuit, will the output PWM signal have a sine wave in it? If other circuits are added later, it may disappear?...
The principle of the pulse width modulation current mode controller NCP1200A for low power general offline power supply is introduced, and the advantages of this controller are further illustrated by ...