Grey Rectangular Shape Iron Material Dc Power Source 16 Pin Ic Base Electronic Kits

This kit includes the components necessary to build a circuit that senses the presence of an object in front of it. If a hand or other object blocks the infrared beam, which is invisible in normal light, an alarm sounds and a red LED turns on. The body of this circuit is a semi-conductor diode with two terminals (the one on the left is called the anode).Electronic kits for beginners and professionals that are used for education and projects, including electronic components, wiring devices, electronic circuits and electronic equipmentThis is a high quality electronic kit with good performance, very suitable for beginners to practice and build it into smart skill learning projects.