A practical new computer temperature acquisition system with 89C52 as the core is designed. It uses J-type thermocouple as the temperature measuring element and uses the integrated current temperature...
SDIO supports 4-wire and 1-wire modes. What is the speed difference between the two modes? We tested it on the ESP32_psRAM_Lobo version. The test program is as follows: 1-line mode: [code]import os im...
The basic working principle of RFID technology is not complicated: after the tag enters the magnetic field, it receives the radio frequency signal sent by the reader, and uses the energy obtained from...
In this work, the GY-30 light intensity module is used to collect information about the ambient light intensity to adjust the display brightness of the OLED display. The GY-30 digital light module use...
Selling some unused solid state drives Samsung 850 and 860evo 850 330 yuan each free shipping for non-remote areas, total 8, no outer packaging. 860evo 400 yuan each free shipping for non-remote areas...