EC Buying 2Pcs USB Wireless Serial Port Module Serial Port to NRF24L01 Socket Module Digital Development Adapter Board Control Module Communication Remote Control Acquisition

Module parameter Product size: 15mm*53mm USB to serial port chip: CH340T Red: Power indicator. When it is plugged into the USB port of the computer, the indicator turns on Green: nRF24L01 self-check indicator. Blinking: a module is detected Valid bytes of a single transmission: 1 to 31 bytes Format for communication with other wireless modules: the 0th bit is the byte length of the transmitted data Supports 32-bit / 64-bit Windows operating systems Pin definition VCC: power supply. 2.0 V to 3.6V GND: Ground cable CSN: input module piece selector pin used to start one-SPI communication CE: Input module control pin MOSI: input module SPI data input pin SCK: input module SPI bus clock IRQ: output module interrupts signal output, active at low level MISO: output module SPI data output pin Typical application Wireless remote control, data transmission Wireless meter reading system Wireless monitoring system Wireless data acquisition system