With the rapid development of wireless communication, the combination of wireless network and RFID technology for indoor positioning has attracted more and more attention. People's demand for the loca
As shown in the figure below, when looking at the information of a sensor conditioning chip, it is recommended to use JFET or NPN transistors to build a power supply voltage conversion circuit in the
microS2 is a development board based on ESP32-S2. It is about the same size as Espressif's ESP32-WROOM and comes with psram.Key specifications:ESP32-S2 32-bit 240 MHz single-core processor
16 MB SPI F
TLC2252 is an operational amplifier manufactured by TI's advanced LinCMOSTM process. It has full power supply voltage amplitude (rail-to-rail) output performance, and has better input offset voltage a