{"product_id":"simple-multi-functional-electronic-password-lock-circuit-learning-kits-diy","title":"Simple Multi-Functional Electronic Password Lock Circuit Learning Kits DIY","description":"\u003cp\u003eITEM NAME:Simple Multi-Functional Electronic Password Lock Circuit Learning Kits DIY Home Electronic Component Chips Sensor Arduino Module Raspberry Pi Simple Multi-Functional Electronic Password Lock Circuit Learning Kits DIY Popular Popular Product Introduction Product Introduction: 1.Operating Principle:press S1,U1A Q=1;press S4,U1B Q=1;press S7,U2A Q=1;press S9,U2B Q=1;when open the lock,indicator lamp LED1 will be on;and it shows input password is correct.At the same time,U2B Q=0,U3 Y=1,making the first three triggers all clear;if you want to clear U2B,indicator lamp LED1 off,you can press S8. 2.According to above analysis,the password is 1479 in turn.during the process of inputing password,if you don't press the key in the proper order or press other trigger clear port (R port) key,then the password is false. Packing  List: Name Parameter Quantity IC CD4013 2 IC CD4011 1 SMD Resistor 10K ohm 6 Resistor 10K ohm 1 Resistor 510 ohm 1 Electrolytic Capacitor 10uF 1 LED 5mm Red 1 Tact Switch 6*6mm 10 PCB 1 Package Included: 1PCS*Simple Multi-Functional Electronic Password Lock Circuit Learning Kits DIY.Find many great new \u0026amp; used options and get the best deals for Simple Multi-Functional Electronic Password Lock Circuit Learning Kits DIY at the best online prices at Order2india Shopping! Free shipping for many products!\u003c\/p\u003e","brand":"O2INEW","offers":[{"title":"Default Title","offer_id":1613617463311,"sku":"O2I-0-163702979687","price":3277.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0929\/2582\/products\/s-l2000__17426_128e73c4-5838-40fc-99da-4158ffcf6b0a.jpg?v=1680091168","url":"https:\/\/order2india.com\/products\/simple-multi-functional-electronic-password-lock-circuit-learning-kits-diy","provider":"ORDER2INDIA SHOPPING","version":"1.0","type":"link"}