Advice required for simple Laptop Power Supply ID-Sense circuit | Electronics Forum (Circuits, Projects and Microcontrollers)
![4.5x3.0 4.5*3.0mm DC Power Charger Plug Cable Blue Connector With Pin for Hp Laptop Adapter 19.5V 3.33A 4.62A DC Connector Cable 4.5x3.0 4.5*3.0mm DC Power Charger Plug Cable Blue Connector With Pin for Hp Laptop Adapter 19.5V 3.33A 4.62A DC Connector Cable](https://static-01.daraz.pk/p/66d0c05081a1cfa3678703cbe16d4caa.jpg)
4.5x3.0 4.5*3.0mm DC Power Charger Plug Cable Blue Connector With Pin for Hp Laptop Adapter 19.5V 3.33A 4.62A DC Connector Cable
![power supply - 3 wires on a (bipolar) DC plug - what are they for? - Electrical Engineering Stack Exchange power supply - 3 wires on a (bipolar) DC plug - what are they for? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/iPDt4.jpg)
power supply - 3 wires on a (bipolar) DC plug - what are they for? - Electrical Engineering Stack Exchange
![New Laptop DC Power Jack Cable Charging Connector Port Wire Cord For HP ChromeBook 14-X Series 14-X003TU 14-X021DS - AliExpress New Laptop DC Power Jack Cable Charging Connector Port Wire Cord For HP ChromeBook 14-X Series 14-X003TU 14-X021DS - AliExpress](https://ae01.alicdn.com/kf/HTB1gVugXODxK1Rjy1zcq6yGeXXat.jpg_640x640Q90.jpg_.webp)
New Laptop DC Power Jack Cable Charging Connector Port Wire Cord For HP ChromeBook 14-X Series 14-X003TU 14-X021DS - AliExpress
![Original New Laptop DC Power Jack Connector Cable wire for HP PAVILION G6-1100SX G6-1100TU G6-1100TX G6-1101 G7-10… | Laptop charger, Gateway laptop, Laptop adapter Original New Laptop DC Power Jack Connector Cable wire for HP PAVILION G6-1100SX G6-1100TU G6-1100TX G6-1101 G7-10… | Laptop charger, Gateway laptop, Laptop adapter](https://i.pinimg.com/736x/05/15/15/051515188bb39613bf6ae02a22cc751a.jpg)