HEATKEYS

Designers and manufacturers of reed switches, reed switch components, custom electronic components, OEM custom electronic assemblies, planar transformers, magnetic components, insert molded RF inductors, and lighting products.

Distributor of electronic components and parts, DigiKey offers quality products with same day shipment, products include: Semiconductors, Capacitors, Relays, Resistors, AC DC Converters, Circuits, Microcontrollers, Power, Lighting & Wireless Supp...

Sensors - Custom Sensors, Reed switches, Reed relays, Sensor products from Hamlin including magnetic switches

A collection of FREE, easy-to-understand science, technology, and how-it-works articles for the whole family!

Littelfuse is the world leader in circuit protection offering Automotive Fuses, Automotive Circuit Protection, Fuses, Electrical Fuses, Thyristors and more.

Electronic Component Parts Distributor, order on-line, same-day shipping, no minimum order. Semiconductors, Connectors, Embedded, Optoelectronics, Capacitors, Resistors, Inductors, Relays, Sensors, New Technologies

Adafruit Industries, Unique & fun DIY electronics and kits : - SpokePOV MiniPOV SIM reader Tools MintyBoost Gift Certificates Digg Button AVR Development Arduino Useful stuff BoArduino TV-B-Gone Game of Life Breakout Boards YBox2 Drawdio XBee Fu...

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Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.