I have a 10-year-old laptop with an I5 CPU and 4G memory. I haven't used it for two or three years. The day before yesterday, I turned it on. It took about 10 minutes from booting to running. After bo
Some time ago, I needed to test the charging of a lithium battery pack. The voltage of 18 lithium batteries in series can reach more than 70V. I used to have a GPC-6030D linear adjustable power supply
Qorvo (Nasdaq: QRVO), a leading provider of innovative RF solutions that connect the world, today introduced the industry's smallest single-chip motor control and inverter solution for brushless DC (B
1. Test
I just got the ATK-NEO-6M GPS module. I can't believe that this nearly 100 yuan thing is only 3cm in size. I downloaded relevant information online before. The first quick test must be done wi
We have introduced the Raspberry Pi speed control before, but that was to control the speed of one wheel. As a result, the speed was sometimes slow and sometimes fast, but the error was acceptable. Th