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Topic starter
2022-03-25 4:37 pm
...my rough layout of my "laptop brick bench power supply" as per Bill's vid. Can't cut a decent square hole to save my life, lol.
(the red writing is on the photo, not the case)
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Ron reacted
2022-03-25 4:58 pm
@binaryrhyme
Looks good.
Is the case grounded (sort of looks like plastic) ?
Anything seems possible when you don't know what you're talking about.
Topic starter
2022-03-25 5:13 pm
It's plastic, yeh. The power brick is grounded on the AC side, obviously. 19v DC coming in from the brick.
I edit my posts to fix typos, correct grammar, or improve clarity. On-screen keyboards are evil.
2022-03-25 5:15 pm
@binaryrhyme Nice job, I also built one with 3.3, 5, 12, Var but didn't put meters on the first 3, my case is too small.
First computer 1959. Retired from my own computer company 2004.
Hardware - Expert in 1401, and 360, fairly knowledge in PC plus numerous MPU's and MCU's
Major Languages - Machine language, 360 Macro Assembler, Intel Assembler, PL/I and PL1, Pascal, Basic, C plus numerous job control and scripting languages.
Sure you can learn to be a programmer, it will take the same amount of time for me to learn to be a Doctor.
Topic starter
2022-03-25 5:18 pm
@zander Yeh, I wanted the meters so I could calculate power drain (and see if anything was terribly wonky). I suspect there are many of these in the world thanks to Bill's vid. 😉
I edit my posts to fix typos, correct grammar, or improve clarity. On-screen keyboards are evil.
Ron reacted
2022-03-25 5:19 pm
Very nice. I made a much smaller version because I don't need much current for my testing ...
Green is 3.3V, blue is 5V, black is ground, red is adjustable. Case was 3D printed. Powered by 12V 4A wall wart.
Anything seems possible when you don't know what you're talking about.
2022-03-25 5:23 pm
@will Also very nice, I envy those with 3D printer capabilities, it's so hard to find a right sized case and at any kind of close to reasonable price.
First computer 1959. Retired from my own computer company 2004.
Hardware - Expert in 1401, and 360, fairly knowledge in PC plus numerous MPU's and MCU's
Major Languages - Machine language, 360 Macro Assembler, Intel Assembler, PL/I and PL1, Pascal, Basic, C plus numerous job control and scripting languages.
Sure you can learn to be a programmer, it will take the same amount of time for me to learn to be a Doctor.
Biny reacted
2022-03-25 5:26 pm
@binaryrhyme Now you are making me think I need a small case with a meter and just a in jack and out kjack to measure the power. Thanks for the inspiration! Can you give me a source for your meters, I assumne onbe part measures all 3 voltages.
First computer 1959. Retired from my own computer company 2004.
Hardware - Expert in 1401, and 360, fairly knowledge in PC plus numerous MPU's and MCU's
Major Languages - Machine language, 360 Macro Assembler, Intel Assembler, PL/I and PL1, Pascal, Basic, C plus numerous job control and scripting languages.
Sure you can learn to be a programmer, it will take the same amount of time for me to learn to be a Doctor.
Biny reacted
2022-03-25 5:30 pm
They're a great gift, especially for someone as useless as I am with hand and power tools. about the only thing I was proficient at was supplying blood samples for my microscope 🙂
But of course there is always a downside and with 3D printers it's that they work on a narrow plateau of electronic and mechanical setup and they tend to slide off on one direction or another frequently. So, you will need to allocate a certain amount of hours to troubleshooting and maintenance when you get one.
Anything seems possible when you don't know what you're talking about.
Biny reacted
Topic starter
2022-03-25 5:33 pm
@will Really nice job, Will. Yeah, I'm getting an itch for a Prusa, lol.
I edit my posts to fix typos, correct grammar, or improve clarity. On-screen keyboards are evil.
Topic starter
2022-03-25 5:36 pm
@zander The ammeter needs to be in series, so your mini box will probably need to be an insert. Yeh, I got them on Amazon.ca - I haven't tested them for accuracy yet, but the price was right. 😉
I edit my posts to fix typos, correct grammar, or improve clarity. On-screen keyboards are evil.
2022-03-25 5:41 pm
@will What kind of prices do those things go for? Since I totally suck at CAD I am not so sure I will ever get one, but I just saved $5,000 on a purchase so do have some loose change rattling around. Also, any brands to steer clear of and to favour?
I know I can google all that but it's nice to be able to ask a friend who has one and experience.
First computer 1959. Retired from my own computer company 2004.
Hardware - Expert in 1401, and 360, fairly knowledge in PC plus numerous MPU's and MCU's
Major Languages - Machine language, 360 Macro Assembler, Intel Assembler, PL/I and PL1, Pascal, Basic, C plus numerous job control and scripting languages.
Sure you can learn to be a programmer, it will take the same amount of time for me to learn to be a Doctor.
2022-03-25 5:52 pm
@binaryrhyme Yes, positive from existing power supply into the meter box and the output from the meter box is now the positive. In series as you say. Is there another way? Up till now I use my clamp on meter, but a meter box is less space, I will stick it on top of my power supply.
First computer 1959. Retired from my own computer company 2004.
Hardware - Expert in 1401, and 360, fairly knowledge in PC plus numerous MPU's and MCU's
Major Languages - Machine language, 360 Macro Assembler, Intel Assembler, PL/I and PL1, Pascal, Basic, C plus numerous job control and scripting languages.
Sure you can learn to be a programmer, it will take the same amount of time for me to learn to be a Doctor.
Biny reacted
Topic starter
2022-03-25 6:05 pm
@zander The Prusa is highly regarded, and comes in kit and assembled form. It's the one on my wish list. It's more expensive than some of the more entry level models, and much cheaper than the high end jobs. 🙂
I edit my posts to fix typos, correct grammar, or improve clarity. On-screen keyboards are evil.
Topic starter
2022-03-25 6:06 pm
@zander Wiring diagram is in the amazon photos. 😉
I edit my posts to fix typos, correct grammar, or improve clarity. On-screen keyboards are evil.
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