How does a Dell laptop charger with a pin of the same wattage & specs which fits perfectly into an HP not work because it knows it is not an HP charger
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Amazon.com: 19.5V 9.23A AC Adapter Charger Power Supply for Acer Predator Helios 300 G3-571-77QK, G3-571 G3-572 PH317-51, Acer Aspire V17 Nitro VN7-793G, V15 Nitro VN7-593G Compatible Acer ADP-180MB K : Electronics
![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/IkOFo.jpg)
power supply - 3 wires on a (bipolar) DC plug - what are they for? - Electrical Engineering Stack Exchange
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HP 19.5V 10.3A, 200W (7.4mm*5.0mm, inside pin) AC Adapter Charger For HP Elitebook Touchsmart Zbook/OMEN series P/N: HSTNN-CA24 677764-002 A200A05DL 693708-001 - WIT Computers
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Amazon.com: KFD AC Adapter Charger Power Supply Cord 24V 4A for Resmed S10 370001 Resmed CPAP and BiPAP Machines S10 ResMed Air Sense 10 ref # 37207 [1 PIN] (!!!Not for Resmed
Advice required for simple Laptop Power Supply ID-Sense circuit | Electronics Forum (Circuits, Projects and Microcontrollers)
Advice required for simple Laptop Power Supply ID-Sense circuit | Electronics Forum (Circuits, Projects and Microcontrollers)
Advice required for simple Laptop Power Supply ID-Sense circuit | Electronics Forum (Circuits, Projects and Microcontrollers)
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