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We got our Allegro A4988 stepper driver breakout PCBs back and are ready to test them. First, we verified that STEP and DIR ...

How to test your tubes with a multimeter. A simple way to ensure there are no shorts or bad heaters in your tubes.

Did you know that more than 25% of PCB failures occur due to ionic contamination? These contaminated PCBs are sent back to ...

My component tester failed to test an inductor I have, so I used a sine wave generator and an oscilloscope to figure out it's value ...

Find all manner of multimeters at Adafruit: https://www.adafruit.com/category/637 Test a battery & get acquainted with multimeters ...

Resistors are color coded with markings or bands that allow you to quickly identify resistance values and tolerance. Watch this ...

Semiconductors are in everything from your cell phone to rockets. But what exactly are they, and what makes them so special?

Visit BMETWork.com for W2 and 1099 job opportunities! Visit BetterBiomed.com for events, latest news, and test equipment ...

This is the meter that I received in mailbag 61 - a meter that my patreon supporters suggested that I take a look at. Yes, it's another ...

Can this miniature multimeter really get the job done? In this video, we put the ultra-compact CZDANG CZD 20D to the test!

Moltoduino is a shield that allows you to stack multiple ATMega328P microcontrollers on top of your Arduino board. It was first ...

Electronics: Autoelectrics: Testing components off 12v battery Helpful? Please support me on Patreon: ...

Part Multimeter, part tweezers, always great for SMD testing - digital tweezers #adafruit #collinslabnotes Find testing tweezers at ...

We continue our quest to Pico-ify all our testers, moving away from Teensy 3.6 (they're unavailable) or Raspberry Pi's (good but ...

SG90 is the most commonly used cheapest servo that you can get anywhere in the market. It rotates 180 degrees. It is used in ...

Curious about what makes your devices so smart? Our Founder, Graham, who is a microchip engineer, describes how ...

Get your solder spools @ adafruit: https://www.adafruit.com/?q=solder+spool&sort=BestMatch Learn some key differences ...

EDISON SCIENCE CORNER This channel is all about electronics and tech videos. You can find tutorials and projects of IoT ...

Have you ever wondered why some USB cables charge your phone slower than others? I set out to find the answer, and identify ...

Okay, we've got our 1.3" round TFT prototype ready for testing - and here's a cute GIF of a dial turning back and forth. It's a great ...