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INA219B DC Current Measurement Module (5 Pack)
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4-Channel 5V Solid State Relay Module 240VAC 2A (2 Pack)
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Boost/Buck 600mA Module Assortment 3-15V Input to 3.3, 5, 12V Output (2 of Each, 6 Total)
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TCS34725 RGB Sensor
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MFRC522 RFID Card Module (5 Pack)
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5V 433Mhz Transmit and Receive Module (5 Pack)
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LY-03 Electromagnetic Lock/Latch 12V 0.6A (2 Pack)
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ESP8266 ESP-01S WiFi Relay Module (2 Pack)
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Latest News

New Resistor Kits Are Here
October 26, 2020
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After months of preparation our new resistor kits are finally here. They’re in stock at our North Carolina warehouse and ready to ship. This is

Designing a Perfect Product Box
October 25, 2020
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A product box seems like a simple thing. Most online stores don’t even box each product. So why do we bother? Because a box isn’t

The End of An Amazon Era
October 19, 2020
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Joe Knows Electronics has had a long relationship with Amazon. We started out as an Amazon seller in April of 2010. At that time LEDS
Joe Knows Advantage
- Lowest Cost Per Component
- Quick Shipping From North Carolina
- New Items Monthly
- Standardized Packaging
- Free Shipping For Orders of $100 or More
- Helpful Guides
10 Years
We've been in the business of selling electronic components since April, 2010.
Our Customers Say Great Things
Joe does know electronics; I have yet to have a problem with this company and its fulfillment. The products are exactly what they say and they arrive usually before the target date. I think I found my online electronics company.
03/27/2013
Joe Knows is a fantastic supplier. (That individually-labeled resistor pack is still one of my favorite items). Another great shipment of gear!!!
04/17/2013
This is an capital "A" Awesome set of resistors. There was a good variety and everything was nicely labeled which is great for a beginner like me.
02/27/2013
Amazing! Fast shipping and incredible product. Super bright LED's. definitely using this store for any other future projects! You have earned a life customer here!
04/26/2013
Just what I was looking for. Joe really does know electronics! Thank you. Dave
05/07/2013
Every order from Joe Knows Electronics is perfect. All parts are as described, organized and labeled. Shipping is always fast and on time.
09/13/2013
Joe Knows Electronics is the best place to purchase from. All items are organized and labeled.
01/22/2014
Love Joe Knows kits!! because he really does!!
01/24/2014
Joe Knows has some great stuff at VERY competitive prices. I would also recommend their Resistor and Capacitor Assortments; components are individually labelled and sorted and very easy to use.
02/15/2014
All of these Joe Knows assortments are SUPERB ! They come in a handy and sturdy reusable box, sorted and WELL labeled in resealable bags, and in sequence for EASY selection when needed. As I have said before, Joe REALLY Knows Electronics ! You cant get much better than this seller for VALUE, SELECTION, and INTEGRITY !
02/17/2014
Another GREAT assortment, well labeled and packaged, by someone who REALLY knows Electronics. Have purchased ALL of this sellers products and they are ALL great deals. Will certainly buy again from this valued seller!
02/17/2014
Joe does, indeed, know
03/10/2014
Joe really does know electronics. All of the kits are well thought out. They are perfect for experimentation and general repairs. One small box is organized so that you can find any value of capacitor or resistor effortlessly without the need for large parts bins. While the semiconductor kit isn't as well sorted out, the selection, quantity of parts based on usage, and information booklets more than make up for it. Hopefully they will introduce surface mount resistor, capacitor, and transistor kits in the near future.
04/23/2014
This is the third time I've ordered from this vendor. Each time has been a great experience, the product arrived on time and they are great LEDs that I am using in several different types of projects. Thanks Joe!
04/29/2014
I LOVE these kits. A fantastic blend of components that are actually useful in most projects. Much better than those assorted bags where you won't ever use 80% of them. I will definitely buy more of these in the future.
07/07/2014
Item was as described and arrived on time and well packaged. love Joe's products, great price and they understand some of us don't like buying 1 capacitor here for 8cents, one transistor there for a dime, Joe puts them in a nice assortment "kit" and makes life so much easier - I have all of the "flavors", Resistors, Diodes, Caps.... etc. These "kits" that Joe has are just plain excellent!
07/27/2014
Joe puts out a good product. The packaging and labeling and organization is the best you're gonna find. I have several of their kits; all good and good quality parts. You get a couple of booklets to explain the components and they give you more than a few example circuits you can breadboard using this kit (of course you'll need caps and resistors) to play with this selection.
09/19/2014
Wow, nice job Joe. I totally respect your attention to detail. Much appreciated. Thanks!
01/12/2015
This is my 4th purchase of Joe Knows Electronics Kits. That statement alone says a lot. I have never been unhappy with Joes' products. Always a good selection, always packaged so I can find what I need quickly, always a good price. I hope he comes out with some additional kits. There are other good kits out there also, but Joe has always met my requirements.
01/22/2015
A great product, well packed, and quickly shipped. I really like Joe's products. They are a great firm with first class service from end-to-end.
06/24/2015
This is the third item I've bought from this seller. I am so pleased with his products that I am willing to spend more for his great packaging an organization.
11/03/2015
I wish I had known about Joe earlier. The service is good, and the price is cheap for what you get, and they send it fast. For sure I will be ordering from JKE again.
12/02/2015
This is not the Force. This is the Resistance. 860 of them. Together, we will defeat the Empire!
09/04/2016
Joe Knows Electronics are the best. Everything is labeled and is the best quality. I liked the,"buy two, get one free" deal. I am a very satisfied customer.
01/22/2017
Yes, Joe Knows Electronics. Excellent Resistors. Good Box and Serves as Good Storage box with Resistor Labels. Thanks for Listing This Produc
06/30/2017
There are a lot of electronic component assortments out there. Joe Knows truly does know how to put together the best kits for the best price. The individually labeled zip lock bags for each value is a distinguishing feature.
01/15/2018
Joe Knows is a BOSS!!! Straight up! The resistors you need!
11/07/2018
I am a fan of Joe Knows Inc. and their products. It was well made and High quality.
-Adam K0PSK Amateur Extra Class Radio Operator.
02/12/2019
Excellent customer service. I would buy again from this seller in an instant.
06/26/2020
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