Habar nu aveam ca valoarea in ohmi intre masa si pinul "senzor" e in stransa legatura cu puterea adaptorului. Ma gandesc ca la o adica as putea pune un rezistor intre masa si pinul respectiv pentru a pacali laptopul. (in cazul in care am o alta sursa la aceeasi tensiune dar avand curentul minim cerut de laptop)
I have a Lenovo Helix ultrabook pro.The adapter has 12v 3a output. DO you know the pinout of the power plug? It is a smaller version of the one with the middle ID pin.. Which pin is +12v, 0v and ground? Is there a ID pin? I am trying to use a generic12v supply.
@@diymariuselectro ID pin is the center PIN. That is clear. But as you say we have 2 wires, neutral and phase. Phase wire is connected to inner part of round. Neutral wire is connected to outer part of round. To which wire is connected center ID PIN if there are only 2 wires? To neutral wire? Or there is 3 wires?
@@diymariuselectro Have a look here. Its a 512bit EPROM, single wire communication. The laptop will supply voltage on the ID sense line to power it then set up communication to read the data. cdck-file-uploads-global.s3.dualstack.us-west-2.amazonaws.com/digikey/original/3X/5/5/55ea168aedb0a2ef9c4885582bbdb987e940c06a.pdf
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Thank you that was a very informative video, it was the exact knowledge I was looking for
tnx bro
Habar nu aveam ca valoarea in ohmi intre masa si pinul "senzor" e in stransa legatura cu puterea adaptorului. Ma gandesc ca la o adica as putea pune un rezistor intre masa si pinul respectiv pentru a pacali laptopul. (in cazul in care am o alta sursa la aceeasi tensiune dar avand curentul minim cerut de laptop)
Asa este.poti incerca daca ai Lenovo.
Plelse tell me the old model plug id pin is negative or positive or gnd
I have a Lenovo Helix ultrabook pro.The adapter has 12v 3a output. DO you know the pinout of the power plug? It is a smaller version of the one with the middle ID pin.. Which pin is +12v, 0v and ground? Is there a ID pin? I am trying to use a generic12v supply.
I dont know bro I cant help u. but u should find on net.
Thank you.
2 wires and 3 pin. How it is connected inside?
To which wire is connected ID pin?
To the center I explained in the video
@@diymariuselectro ID pin is the center PIN. That is clear. But as you say we have 2 wires, neutral and phase.
Phase wire is connected to inner part of round.
Neutral wire is connected to outer part of round.
To which wire is connected center ID PIN if there are only 2 wires? To neutral wire?
Or there is 3 wires?
in DC we have plus and minus or gnd.I put schematic in video.
@@diymariuselectro so, minus is connected to center ID pin?
yes
sorry..i meant 4:04
dont understand bro
135w??
you can see in this clip for 120w.I didnt have 135w to measure.but i can presume from my list.
8.68K
@@gurmon 170W?
@@gurmon 8k68 is for a 300w adapter.
Wrong. center pin is data from ds2502 one-wire memory.
pls give us more details and link to schematic.And what about resistor?
@@diymariuselectro Have a look here. Its a 512bit EPROM, single wire communication. The laptop will supply voltage on the ID sense line to power it then set up communication to read the data.
cdck-file-uploads-global.s3.dualstack.us-west-2.amazonaws.com/digikey/original/3X/5/5/55ea168aedb0a2ef9c4885582bbdb987e940c06a.pdf
wrong.ds2502 only on dell chargers but lenovo uses resistor connected to ground inside the charger tip