Advice required for simple Laptop Power Supply ID-Sense circuit | Electronics Forum (Circuits, Projects and Microcontrollers)
![Laptop Charger for HP 709985-002 710412-001 714159-001 714657-001 741727-001 Compatible Replacement Notebook Adapter Adaptor Power Supply: Amazon.co.uk: Computers & Accessories Laptop Charger for HP 709985-002 710412-001 714159-001 714657-001 741727-001 Compatible Replacement Notebook Adapter Adaptor Power Supply: Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/71FFNBPO0XL._AC_UF350,350_QL80_.jpg)
Laptop Charger for HP 709985-002 710412-001 714159-001 714657-001 741727-001 Compatible Replacement Notebook Adapter Adaptor Power Supply: Amazon.co.uk: Computers & Accessories
![Original Genuine HP 19.5V 6.15A 120W 4.0*3.0mm AC Adapter Charger for HP Envy HP OMEN HP Pavilion Series Notebook PN:710415-001 in Nairobi Kenya - EVERCOMPS TECHNOLOGIES LIMITED - The laptop repair Center Original Genuine HP 19.5V 6.15A 120W 4.0*3.0mm AC Adapter Charger for HP Envy HP OMEN HP Pavilion Series Notebook PN:710415-001 in Nairobi Kenya - EVERCOMPS TECHNOLOGIES LIMITED - The laptop repair Center](https://evercomps.co.ke/wp-content/uploads/2022/06/HP-19.5V-6.15A-120W-AC-Adapter-Charger-pin.jpg)
Original Genuine HP 19.5V 6.15A 120W 4.0*3.0mm AC Adapter Charger for HP Envy HP OMEN HP Pavilion Series Notebook PN:710415-001 in Nairobi Kenya - EVERCOMPS TECHNOLOGIES LIMITED - The laptop repair Center
![19V 12.2A, Barrel 7.4/5.0mm, IEC C14 5189-2785, SADP-230AB D, DA12, 609921-001 HP Common Item (HP) AC Adapter- Laptop. PcHub.com - Laptop parts , Laptop spares , Server parts & Automation 19V 12.2A, Barrel 7.4/5.0mm, IEC C14 5189-2785, SADP-230AB D, DA12, 609921-001 HP Common Item (HP) AC Adapter- Laptop. PcHub.com - Laptop parts , Laptop spares , Server parts & Automation](https://pchub.com/images/thumbs/0047583_hp-common-item-hp-ac-adapter-laptop-19v-474a-74x5mm-with-pin-3-prong-new_415.jpeg)
19V 12.2A, Barrel 7.4/5.0mm, IEC C14 5189-2785, SADP-230AB D, DA12, 609921-001 HP Common Item (HP) AC Adapter- Laptop. PcHub.com - Laptop parts , Laptop spares , Server parts & Automation
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
![19.5V 65W Adapter Charger Power Supply For Hp Laptop Elitebook 840 G3 G5 Envy X360 Chromebook Computer Stream Pavilion Probook 19.5V 65W Adapter Charger Power Supply For Hp Laptop Elitebook 840 G3 G5 Envy X360 Chromebook Computer Stream Pavilion Probook](https://ae01.alicdn.com/kf/A07cea3c6661f4aaa82adcb93c340cadeq/19-5V-65W-Adapter-Charger-Power-Supply-For-Hp-Laptop-Elitebook-840-G3-G5-Envy-X360.jpg)
19.5V 65W Adapter Charger Power Supply For Hp Laptop Elitebook 840 G3 G5 Envy X360 Chromebook Computer Stream Pavilion Probook
![45W HP Laptop Adapter Charger, 19.5V 2.31A Power Supply for HP Pavilion 11 13 x360 x2 HP Stream 11 13 14 HP ProBook 430 G3 G4 and More(4.5 * 3mm): Amazon.co.uk: Computers & Accessories 45W HP Laptop Adapter Charger, 19.5V 2.31A Power Supply for HP Pavilion 11 13 x360 x2 HP Stream 11 13 14 HP ProBook 430 G3 G4 and More(4.5 * 3mm): Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/61dc1Gt7J-L._AC_UF350,350_QL80_.jpg)
45W HP Laptop Adapter Charger, 19.5V 2.31A Power Supply for HP Pavilion 11 13 x360 x2 HP Stream 11 13 14 HP ProBook 430 G3 G4 and More(4.5 * 3mm): Amazon.co.uk: Computers & Accessories
![ABCC 45W AC Adapter Laptop Charger for HP Pavilion 11 13 15;HP Split 13 X2; HP Stream 11 13 14;HP Elitebook Folio 1040 G1 719309-003 721092-001 Power Supply Cord: Amazon.co.uk: Computers & Accessories ABCC 45W AC Adapter Laptop Charger for HP Pavilion 11 13 15;HP Split 13 X2; HP Stream 11 13 14;HP Elitebook Folio 1040 G1 719309-003 721092-001 Power Supply Cord: Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/61TiYCnimaL._AC_UF1000,1000_QL80_.jpg)
ABCC 45W AC Adapter Laptop Charger for HP Pavilion 11 13 15;HP Split 13 X2; HP Stream 11 13 14;HP Elitebook Folio 1040 G1 719309-003 721092-001 Power Supply Cord: Amazon.co.uk: Computers & Accessories
![BuyChoice 4.5x3.0 with Pin DC Power Charger Plug Cable Blue Connector for HP Laptop AC Adapter : Amazon.in: Computers & Accessories BuyChoice 4.5x3.0 with Pin DC Power Charger Plug Cable Blue Connector for HP Laptop AC Adapter : Amazon.in: Computers & Accessories](https://m.media-amazon.com/images/I/41V0r2zgURL.jpg)