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If you're looking for surplus electronic and electrical parts, let me be the first to say: Welcome to the PartsMine!  Here you will find an eclectic mix of transistors, capacitors, resistors, ind … read more

What is H-Bridge?H-Bridge is a circuit that is designed to change/reverse direction of current flow. It is usually used for changing direction if motors specially in robotics. It is also used in tradi … read more

The Ultimate Guide to Finding Surplus Electronic Parts at Unbeatable PricesIf you're a tech enthusiast, a hobbyist, or a professional in the electronics industry, you … read more

At PartsMine, we strive to constantly innovate, providing unique parts and materials required for various projects. Identifying the untapped potential in discarded electronics, we're thrilled to an … read more

It's not uncommon for capacitor markings to be confusing. For starters, capacitor values are typically shown in microfarads (MF), but the capacitor designation is usually in millifarads (mfd) or micro … read more

Everyone is familiar with that old saying: bigger bang for your buck. And Jason Sunderland is a man who practices that mantra by using legacy electronics at bargain prices to bring big sounds to his g … read more

It seemed like such an easy thing to fix. The bulb on Bill Lewis's flashlight needed replacement. A lot of people would probably just toss the flashlight in the trash and get another. You can pick up … read more

Semiconductor diodes are widely used to convert most alternating current (AC) signals, typically at 60 or 50 Hz, into direct current (DC) signals in the electronics industry. Electronic devices c … read more

The Silicon Controlled Rectifier (SCR) is one of the most important semiconductor devices that exist. It was invented by General Electric in 1961 for use in power transmission and distribution, but to … read more

I was watching the absolutely fantastic BigCliveDotCom over on YouTube and came across one of his newest experimental projects. He was inspired by a friend to design a prop - a flower that cou … read more

Most of the parts we offer you come to us without much, if any packaging.  I'd like to share with you some resources used to help identify resistors. Here's a great on-line Resistor Color Code … read more

To say that PartsMine is a Mom and Pop operation would be an understatement. At the moment, it's pretty much just Pop. Mom has a real job, allowing me to figure out ways to speed up the PartsMine l … read more

Want to learn more about how to identify basic electronic components?  David Fowler at uCHobby & Brandon Uhlig put together the incredibly helpful primer Identifying Electronic Component … read more

This collection of URL's, along with a really good magnifying glass, will go a long way in helping you identify the myriad of manufacturers' logos one encounters on those tiny electronic parts.The one … read more