[ Product Parameters ]： 1. Working Voltage: 5V 2. PCB Material: 1.6mm RF-4 Plate, 3. Installation: DIY soldering assembly, 4. Type: Logic ICs Operating, 5. Temperature: 0-45℃. 6. Size dimension:71*50mm
[ Product Description ]:The simple password lock is composed of counter CD4017, resistance and key switch. It needs to press the correct key (input password) in a certain order before the lock can be opened (the green light is on).
[ Applicable Crowd ]: 1. Experienced in soldering, 2. Interested in soldering and assembly, 3. Strong hands-on ability, 4. Learners of circuit and electronic soldering, etc.
[ Notes ]: Component position and specification parameters are printed on our design board and can be made by first making screen parameters based on the board. Reasonable circuit layout design. Use your creativity, DIY Your most unique electronic product!
[ Warning ]: This product needs to be soldered by yourself. If you have no soldering experience, please read the welding instructions carefully and use soldering tools carefully in order to avoid safety problems.If you need instructions or have any questions about the product, please consult customer servic.