The second-order voltage-controlled low-pass filter circuit is shown in the figure. R1, C1 and R2, C2 respectively form two first-order low-pass filters, but C1 is connected to the output end to intro
An error occurred when updating the PCB. Please help me find out why. Net s13 exists and is connected to the electrical contacts of the pins. There is no error. Why is the error reported?
[i=s]This post was last edited by damiaa on 2021-11-20 10:07[/i][Free trial of Pingtouge Bluetooth Mesh Gateway Development Kit] + Gateway module to cloud platform and problem solving
According to the
The smart kitchen uses two environmental sensors, one is SHT45, which is used to detect the temperature and humidity of the environment, and the other is ADPD188BI, which is used to detect the smoke c
The default parameters of the fuel gauge are inconsistent with the actual battery parameters. The parameters need to be written to the fuel gauge through the bqstudio tool and the debugger ev2400. Cur