Review and disassembly of the Almhs part number 11-0043A, “Mini Universal Bender” that is sold by Amazon. Bend a few things with it and do some modification that improve the bender.
Description:
I’m finally giving the IXTX240N075L2 MOSFET a test-drive. Trying out a new drive circuit for the MOSFET. And can the heat sinks I have even get close to handling 300 Watts. Testing with an old heat sink out of a Mac Pro G5 dual processor. As well as a new Noctua NH-U12S Redux heat sink. Also trying to beef up a 1 ounce copper PC board to handle 30 amps.
Related Video: https://odysee.com/@mlplel:1/programmable-dc-load-part1:0
Working on a Razer model RZ01-0201 wired gaming mouse. Disassembly, where the screws are hidden. Switch replacement. Assembly, reusing the mouse slide feet.
Making the pieces needed to mount the NOGA MG9038CA cine arm to an Avenger F301 baby wall plate. And making an adapter to mount a Manfrotto 143BKT camera bracket to the 1/4-20 end of the cine arm. A little machining on the mini lathe along the way.
Testing the balance of current through the MOSFET power modules for the electronic load. Finding and fixing a careless error in the MOSFET drive circuit.
Part 13 of the DCL1 electronic load project.
Going over the failure of my use of a CPU cooler to test the case temperature of a TO-247 MOSFET. Examining the mistakes made and where to go from here.
Case to Sink Plan Video: https://odysee.com/@mlplel:1/programmable-dc-load-part-4:7
With the MOSFET power modules being reasonably stable. It’s time to get the ADC module of the dsPIC33CH256MP508 up and running. With both cores’ clocks running wide open I can see what kind of noise I have on the power rails. Tracking down an unexpected switching noise on the 12-volt power rail. The DCL1 project marches on.
Part 19 of the DCL1 electronic load project
In searching for the cause of my low current oscillations I opened a big old can of worms. Revealing power supply problems and power MOSFET amp problems. In the end, I’m neck-deep in oscillations. But there is no drowning on this project. I will prevail.
Part 21 of the DCL1 electronic load project