BUY KS221K05 https://www.utsource.net/itm/p/415313.html
Single Darlington Transistor Module 50 Amperes/1000 Volts
The KS221K05 is a high-performance, low-power, digital proximity sensor module from Panasonic. It is designed to detect objects in close proximity, such as human body parts, and is suitable for use in a variety of applications. The module features a high-sensitivity, low-power, digital proximity sensor with a detection range of up to 10 cm. It has a low power consumption of only 0.5 mA and a wide operating voltage range of 2.7 V to 5.5 V. The module also features a built-in LED indicator for easy visual indication of proximity detection. The KS221K05 module is suitable for use in a variety of applications, including human-machine interface (HMI) systems, medical equipment, industrial automation, and home automation. It can be used to detect objects in close proximity, such as human body parts, and can be used to trigger various actions, such as activating a motor or opening a door. (For reference only)