EL1018 High-Speed Optocoupler IC SMD HT Rubber Electrical Tape This is the CJMCU 9930

This is the CJMCU 9930 APDS-9930 Digital Proximity And Ambient Light Sensor

74HC series ICs are High-speed logic gates with very low power consumption that utilize advanced silicon-gate CMOS technology and 74HC00 is one of them

Master/Slave SPI Serial Interface

once locked cannot be opened or reused

EL1018 High-Speed Optocoupler IC SMD HT Rubber Electrical Tape This is the CJMCU 9930The EL1018 is a high speed optocoupler IC designed to provide reliable electrical isolation between input and output circuits while ensuring fast signal transmission. Housed in a compact SOP 4 SMD package, it integrates an infrared LED and a high speed phototransistor, making it ideal for switching power supplies, microcontroller interfaces, industrial automation, and digital signal isolation applications. The EL1018 offers excellent noise immunity,