Mad Electron Engineering
19,399
  • Uploads Play all

    • Hacking Two 50H LIFEPO4 Battery Packs Together - Duration: 17 minutes.

      • 1 month ago
      • 609 views
      After using the 50AH LIFEPO4 battery I reviewed in a previous video for camping, I came to realize that I should have bought a 100AH battery for the extra capacity. This video shows how I hacked t...
    • Replacing EEPROM Chip On Sceptre TV - Duration: 10 minutes.

      • 1 month ago
      • 308 views
      It's always better to repair something then to just throw it out and buy a new unit if you have the skills. Today I am replacing a faulty EEPROM chip on my 4 year old Sceptre 40" TV. When this ch...
    • Endless Breeze 12 Volt Fan PWM Modification - Duration: 10 minutes.

      • 2 months ago
      • 424 views
      The Endless breeze 12 Volt Fan is a great DC powered fan for camping, RV'ing, and Off-Grid situations. The only drawback that many people find is that there is only 3 speed settings. You can easi...
    • Can You Run Mismatched Solar Panels In Series - Duration: 6 minutes, 53 seconds.

      • 2 months ago
      • 873 views
      Most people already know that you should NOT run mismatched solar panels in parallel, but what about in series?

      The quick and dirty answer: YES, with a few drawbacks

      You must use a MPPT charge co...
    • Endless Torch V1.10 Assembly & Testing - Duration: 14 minutes.

      • 2 months ago
      • 330 views
      This is the final version of the Endless Torch supercap light project. The only aspects that were changed was the circuit board was shrunk from 1.4" to 1.1" diameter, and widened the footprint for...
    • LED Ping Pong Diffuser - Duration: 5 minutes, 58 seconds.

      • 3 months ago
      • 340 views
      Here is a quick way to diffuse LED's so they do not blind you with focused light. It's an old trick by using white ping pong balls.

      1/2 size ping pong balls:
      https://amzn.to/2AHaHDe

      Check out my...
    • Endless Torch V1.00 Supercapacitor Nightlight First Build & Testing - Duration: 16 minutes.

      • 4 months ago
      • 808 views
      I wanted to expand on the AA Nightlight project and make a variation that used a supercapacitor instead of a battery. The boost converter was switched out for a MCP1624 since it only needs 650mV t...
    • EWT LiFePo4 50AH 12V Review Teardown & Load Test - Duration: 14 minutes.

      • 4 months ago
      • 1,388 views
      I decided to change out my 71lb 100AH lead acid battery in my solar generator to a much lighter 15lb 50AH LiFePo4 battery that weighs only 15lbs. I was not sponsored for this review at all, and th...
    • How To Recharge Freon On A Chest Freezer - Duration: 7 minutes, 47 seconds.

      • 4 months ago
      • 7,050 views
      My parents gave me their chest freezer as they were not using it anymore, and it was working the last time they used it. We moved it 20 miles in my father's pickup and then it sat for another 3 mo...
    • SANSI 250 Watt Equivalent LED Floodlight Bulb Review & Teardown - Duration: 13 minutes.

      • 6 months ago
      • 775 views
      SANSI has sent me this 250 Watt Equivalent LED bulb for review. It has similar construction to the 150 Watt Equivalent bulb I reviewed last year, and it's quality is just as good as before. They ...
    • Auxbeam 32 Inch LED RGB Light Bar Review & Teardown - Duration: 29 minutes.

      • 6 months ago
      • 1,323 views
      After installing the 22" light bar on my wife's yellow Kia Soul (since my Kia Soul was in the dealership getting a new engine under warranty), I contacted auxbeam to see if I could get a discount s...
    • Circuit Boards & High Voltage - Duration: 9 minutes, 18 seconds.

      • 6 months ago
      • 481 views
      I got 2 old 1U blade servers for free, so after salvaging any IC's that I wanted to keep for my chip collection, I decided to have some fun.

      I used my custom bench power supply cranked up to 30VDC...
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  • Popular uploads Play all

    • Supercapacitors Instead Of Rechargeable Batteries - Duration: 6 minutes, 37 seconds.

      • 5 years ago
      • 1,192,470 views
      Here's a little experiment of mine that tests the viability of using supercapacitors instead of rechargeable batteries in portable electronics. Supercapacitors charge much faster then traditional ...
    • How to disable RFID chip in credit or debit cards - Duration: 3 minutes, 48 seconds.

      • 6 years ago
      • 752,221 views
      In newer credit and debit cards there is a RFID / NFC chip that allows you to use your card at stores without swiping the magnetic strip. It works by radio waves and is usually only good for aroun...
    • Camping With Dry Ice - Duration: 6 minutes, 54 seconds.

      • 6 years ago
      • 456,821 views
      This is a follow up to my "where to find dry ice for camping" video. The dry ice held up till 3 1/2 days after we picked up 20lbs of dry ice from a local Safeway supermarket. Also remember that t...
    • $40 150 Watt eBay LED Floodlight Review, Repair, and Modification - Duration: 15 minutes.

      • 1 year ago
      • 328,278 views
      I needed a cheap, yet energy efficient way to add a lot more light to my lab so I can get better quality videos for YouTube. I found this $40 150 Watt LED floodlight on eBay, and decided to give i...
    • Inside view of lead acid battery before and after desulfator - Duration: 2 minutes, 11 seconds.

      • 6 years ago
      • 254,009 views
      Here is a quick video that will show you what the lead plates look like in a typical sulfated lead acid battery and in a desulfated battery. This is an excellent visual cue that your battery is be...
    • Reconditioning your car battery (desulfator) Part 1 - Duration: 8 minutes, 46 seconds.

      • 6 years ago
      • 198,678 views
      This is the first video in a series I will do on reviving your old, tired car or general purpose lead acid batteries. Part 1 is a basic overview of my setup and a beginning example of "proof on...
    • Hack Your Heat Pump To Save Money $$$ - Duration: 6 minutes, 43 seconds.

      • 4 years ago
      • 155,199 views
      Heat pumps are very efficent in the winter months compared to fuel oil, propane, or natural gas heaters. They do have one achilles heal though, an auxillary electric heat strip that pulls anywhere...
    • Shifting an Eaton Fuller 10 Speed Transmission - Duration: 86 seconds.

      • 5 years ago
      • 135,627 views
      I had to work on a Saturday so I had Triana video myself shifting through the gears of my work truck. I always float the gears (i.e. I don't use the clutch except for starting/stopping). Sorry fo...
    • Easy Way To Test LED's - Duration: 5 minutes, 4 seconds.

      • 6 years ago
      • 119,567 views
      Here's an easy way to test your collection of led's you have in your electronic component pile. All you need is a 3 volt lithium ion coin cell bettery, such as CR2025 or CR2032 and a battery holde...
    • UPDATED 2014 - Disable RFID Chip In Credit Or Debit Cards - Duration: 4 minutes, 56 seconds.

      • 4 years ago
      • 96,419 views
      UPDATED - Newer bank cards DO NOT have the divot in the plastic to easily locate the RFID chip embedded into them. You must use a high powered flashlight to "see through" the card to locate the ch...
    • Survival Basics - Magnesium Fire Starters - Duration: 5 minutes, 1 second.

      • 5 years ago
      • 89,847 views
      It's always good to have an emergency method to start a fire. Regardless if your camping, bugging out, etc... you always need a way to start a fire to keep warm, cook food, and boil water for safe...
    • Chinese MPPT Solar Charger MPPSolar PCM-3012 Review - Duration: 21 minutes.

      • 5 years ago
      • 87,340 views
      This is an exhaustive review of the PCM-3012 MPPT charge controller manufactured by MPPsolar in Taiwan. It retails for around $120-130 on eBay.

      First off after testing the unit, this is a genuine...
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