In the past few years, due to the rapid development of smartphones, wearable devices, and the Internet of Things, especially the popularity of TWS Bluetooth headsets in the past two years, the develop
My Shengli brand multimeter broke down, so I wanted to buy a new one (it’s been around for about seven or eight years). A friend recommended Fluke 15B+ to me. He said it’s definitely worth buying for
The pressure sensor we use is exactly the same as others. But when connected to the board and measured without load, the voltage is different.
Others' measurements are 0mV, but ours are around 3.5mV.
This work is to design a water cup holder that can detect the use status of the water cup and remind the user to drink water in time. The preliminary design of the system state machine is shown in the