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First, I looked at output voltage vs command voltage. A little time with Google found exactly the information I needed on the dorkbotpdx forum.
It’s worth a thousand words. I suspect they work along the same lines but I haven’t tried it out The easiest way to control the power supply would be to use a couple pots configured as voltage dividers. Alun Cox Level 3 Expert Answers.
KENSINGTON USER MANUAL Pdf Download.
Conveniently, 5v is also available on the connector. Constant current supplies are perfect for charging batteries or characterising LEDs.
Please assign your manual to a product: I do have a couple Microchip 10k digital pots I hope this was useful and please comment if this was helpful to you. If it looks the same it may work, however you might want to know the amps as well, and if the tip is positive or negative.
Kensington 33197 User Manual
As far as the voltage is concerned, there is no problem as the laptop runs on 19V which there is a fitting My Asus is 19v.
I’ve been using a Kensington universal power adapter as a bench power supply for some time. I f you need an airline adapter, you can get one at this link: It may surprise you that one of these power supplies can make an excellent bench power supply, with voltage adjustable from 0 – 24 volts at up to 6 amps.
The first enhancement I could make would be to put it in an enclosure with my TAP current monitor.
Kensington 33197 Manuals & User Guides
I hope this will be useful to you for your project. My favorite is the model watt adapter: This shows that good performance can be achieved driving the supply with a DAC signal from a PIC even if it is open loop no feedback is made of the voltage output.
The max point reward for answering a question is I contacted Kensington and they are not much help As an alternative the USB adapter may be easier fix and even Manuql has one that fits in the cigarette lighter. Dave lists some compatible models above. I took a look at performance and I have to say this is pretty sweet. A typical bench supply only puts out 3 amps maximum and would cost a couple hundred dollars. Answer questions, earn points and help others Answer questions.
You can’t post answers that contain an email address. You can sometimes get one cheap on ebay.
The email address entered is already associated to an account. Kensington supplies are available in a number of models. In kensongton same boat. It’s false advertising and should refund you. I’ve tried this on several models. The output voltage equals 5 times the input voltage. They have an “octopus” that will match what you need and then just be careful to observe polarity when you attach it.
Tell us some more! If you cut off the output cable you will find these 5 conductors: