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There are 100395 individual articles here that are part of 9296 discussions
Please see below the list of the most recent and the best rated articles in Hobby Electronics Basics

The most recent discussions

Through Board Desoldering High Melting Point Solder

September 14, 2020, 6:08 pm

The power wires for a 500 watt ebike motor go through the board. It there any off the shelf insulator designed to protect the caps and other components only 13 mm away? This is asking for a torch. ... Read more »

MCU reset during relay switches ON

September 3, 2020, 6:34 am

Hi, Could any please suggest how to avoid MCU reset with voltage glitches/noise during relay switches ON. I have protected the relay coil with free wheeling diode and MCU with 2x10uF parallel with 1... Read more »

"Technology Is Directional" <=> "Low Hanging Fruit Eve...

August 27, 2020, 3:37 pm

It's easy for a lazy thinker -- that's everyone in some respect -- to get d istracted from the possible by studying thermodynamics which focuses on the impossible. Obviously the cardinality of th... Read more »

Experiment to show that current leads voltage by 90 degrees in capacitor (U...

August 10, 2020, 1:26 pm

Many books told me that current leads voltage by 90 degrees in capacitor. So, I designed an experiment to show that it is true. You can do the experiment at home or in the laboratory. Here is my e... Read more »

Who knows GPS antennas?

August 9, 2020, 10:40 pm

I have been looking online but there seems to be, for a lot of the antennas, an assumption of prior knowledge. That I don't have. What I want to do is survey some of my property line. Mainl... Read more »

Solid state relay questions

August 9, 2020, 10:05 pm

My water comes from a well. When the well was drilled I had only built my shop and so the well is now powered by my shop. The pressure tank and switch is also at the shop. Now that the house ... Read more »

results of AC buck tranny

August 9, 2020, 10:03 pm

I wired a 24VAC transformer to my Air Conditioner to lower the incoming line voltage to 220 from ~250 VAC. The old AC was pulling 2100+ watts worst-case and went to 1700, with the added transforme... Read more »

Virtual PID Controller Would Optimize Shutdowns In Pandemics, Reduce Kornsp...

July 14, 2020, 2:41 pm

Abbott didn't properly calculate lag time after lifting restrictions. https://www.businessinsider.com/how-texas-coronavirus-outbreak-got-out-of-control-2020-7 It's easy to overshoot as well. The P... Read more »

how to reduce the mains voltage

  [ 2 ]
July 13, 2020, 3:31 pm

I have an older window air conditioner that I'd like to hang on to for a few more years. The name plate says it is 220 VAC and since the power company went through and upgraded the distribution ne... Read more »

Solder these 2 wires while being able to slip the shrink tubing over the so...

June 23, 2020, 11:04 pm

I would like to learn how to solder these 2 wires while being able to slip the shrink tubing over the soldered connection. Thanks. https://imgur.com/a/9z3z294 Read more »

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The best rated discussions


Where to buy a small wheel hub motor?

Specifically, where can I buy a high quality small wheel hub motor (with wheel) like the one used for powered Trikkes? http://www.trikke.com/hd_2/Refurbished-Trikkes/Tribred-E-Kit-Upgrade http://www... Read more »


Satellite radio - radio validation

I'm curious, can someone provide a simple several paragraph, basic explanation of how satellite radio authentication works? eg. If the radio is only a receiver and I cancel my subscription how does ... Read more »


Max Frequency of SM 118A counter?

  [ 2 3 ]

Anyone know the maximum frequency of a Heathkit SM-118A? I have been all over Google with little luck. One guy said it would go to 1 GHz maybe 2 GHz, I don't think so. ... Read more »


Software for PIC 16F876

Hello, I want to built a simple datalogger with a PIC 16F876, and found a nice schema on the net. My problem: te software (source) is written in C, but i need a hex files to program the PIC processor... Read more »


Soldering Copper to Phosphor Bronze

Does anyone know if soldering copper wire to Phosphor-Bronze make a solid and reliable electrical connection? Would it make much of a difference if the copper wire is stranded or solid? If there is a... Read more »


Best Light for reading?

When choosing a Flourescent Bulb for a Task Light what is the best for reading.......my choices are 2700 Kelvin, 3000, 3500, or 4100..... Read more »


Thought experiment-will this work?

I think I pretty much understand how induction motors work. A typical single phase motor has a start winding that is approximately in quadrature electrically to the run winding. This provides the p... Read more »


How do you test a capacitor?

  [ 2 ]

Just bought a generator and it failed within two hours of usage. Mfg. say maybe capacitor and will ship a new one. But am not sure. I have a voltmeter with capacitor readings. Know how to test for re... Read more »


Electronic parts sites

I am looking for sites that sell electronic components. I have Jameco, but they don't have a lot of components. Thanks, Andy Read more »


UCANDO videos

If anyone has any old ucando videos on the subject of AC or DC or power supplies or amplifiers or any basic stuff and you want to sell them, at a resonable used price, I'd be interested. I'm just ... Read more »