DIY Variable Bench Adjustable Power Supply "Minghe D3806" 0-38V 0-6A
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- Опубліковано 2 жов 2024
- $2 For 5 PCBs & Cheap SMT(2 Coupons): jlcpcb.com/
Instructable-www.instructab...
Very simple easy DIY Power Supply using a Buck-Boost Converter
Minghe D3806-
www.amazon.com...
LTC3780(Not used)-
www.amazon.com...
Momentary Push Button Switch, Mini Push Button Switch No Lock Round 16mm 3A 250V AC/6A 125V AC Red Cap-
www.amazon.com...
Electronic Enclosures Metal Shell DIY Project Junction Box Case Enclosure Preventive Case 250mm x 190mm x 110mm-
www.amazon.com...
7S 8Pin Female JST-XH Lipo Balance Wire Extension Lead Charger Plug Terminal Cable 26AWG 50cm 5Pcs-
www.amazon.com...
5-Pack DC-099 5.5 mm x 2.1mm 30V 10A DC Power Jack Socket,Threaded Female Panel Mount Connector Adapter-
www.amazon.com...
10 Pcs Audio Terminal Connector 4mm Banana Jack Mount-
www.amazon.com...
Pack of 10 AC 15A 125V Black Electrical Panel Mounted Screw Cap Fuse Holder-
www.amazon.com...
LM2596 Buck Converter, DC to DC 3.0-40V to 1.5-35V Step Down Power Supply High Efficiency Voltage Regulator Module-
www.amazon.com...
10K Ohm Knurled Shaft Linear Rotary Taper Potentiometer-
www.amazon.com...
15amp Ac Switch Purchased at the local hardware store, but here is one that will work-www.amazon.com...
15 Pcs AC 6A/250V 10A/125V 2 Solder Lug SPST On/Off Mini Boat Rocker Switch Car Auto Boat Round Rocker 2 Pin Toggle SPST Switch Snap-
www.amazon.com...
Mis wire and others already had onhand.
#DIYPOWERSUPPLY
#MingheD3806
#VariableBenchPowerSupply
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Nice build bro, I've been waiting... 😎
Thanks!!👍👍👍
hi nice video, just wanted to know did you glue the display on to the cut out, and also is it 2 wires coming from each buttons to set +_ , if u could answer those questions would be appreciated as i have the same board and on the verge of starting this project, also i noticed there is afan connector on board any reason why you didnt use the fan comnnector
Around 23:20, you can see the wiring. But I did you 2. The reason I didn't use the fan on the board, is its not temperature-controlled and stays on full blast, So I added a buck converter to have more control.
This unit has some drawbacks, i have the same and when i checked with an oscilloscope and found sudden bump in voltage for a few milliseconds even the power supply was turned off, this can destroy many boards especially that runs on 3.3v
Your right and I mention this in the video. To combat that issue I added the safety switch. With the switch off, no voltage comes out of the banana plugs. So I dial in the voltage and amperage, turn the unit on, then flip the safety switch on. Doing this pauses any voltage spikes as long as you don’t forget to use the safety switch.
Sorry, man, but Green is for Ground!
I think that using a Green binding post for the battery charging output is as misguided here, as it was on the Riden R6006 in the background. ;-]
Just because the Riden guy did it, doesn't mean you should follow in his errant footsteps... If he jumped off a bridge...
Oh, nevermind! lol
I just used the only other color I had on hand, would be nice if these came in white, or even blue. But green was just a way to keep me from remembering That one and only jack is for batteries. It was actually the only odd color I had. Green can always mean go.....LOL
@@njfulwider5 Go! lol
Yeah, I knew that... I was in a similar situation years ago, I wanted to match the colours coming from an ATX PSU...
I found all the colours except 3, so I painted one Orange for +3.3V, White for -5V, and Green; ironically, for an actual ground! lol Acrylic paint is pretty tough, it worked out ok.
Cheers!