"Bad Apple exists wherever there is a screen." We have now transplanted Bad Apple onto our Zero Knowledge development board, using SD card storage and OLED display. This is mainly to help everyone get...
[i=s]This post was last edited by zzzy11 on 2022-9-15 15:05[/i]The Starlink project uses phased array technology. How does it focus electromagnetic waves? How does it track low-orbit satellites in rea...
[size=4]The 74 series can be said to be the chip we come into contact with most often. There are many types in the 74 series, and the ones we use most often should be the following: 74LS, 74HC, and 74...
I recently got a few diodes and looked at the datasheets. The datasheets did not include power. What is the power of SMA, SMB, SMC at a normal room temperature of 25 degrees? The supplier's datasheets...
Introduction With the rapid development and maturity of positioning and navigation technology, vehicle navigation systems have been more and more widely used in related fields. The function of the veh...
I soldered the PCB yesterday, and at first the voltage couldn't be changed. Today I changed a USB cable and finally I could change the voltage. Here is the effect picture:USB and CH221 in PCBChange th...