Build Tutorials and Resources

SparkFun SEN-00246 Optical Detector / Phototransistor

SparkFun SEN-00246 Optical Detector / Phototransistor

SparkFun SEN-00246 Optical Detector / Phototransistor This sensor uses an infrared emitted diode combined with an infrared phototransistor to detect the reflected infrared signal. Ideal for sensing black-to-white transitions or can be used to detect nearby objects (.5-1cm). Documents: Datasheet

Transistor - NPN 2N3904

Transistor – NPN, 2N3904, Common BJT – TO-92

Transistor – NPN, 2N3904, Common BJT – TO-92 These are very common, high-quality BJT NPN transistors. Designed for use as general-purpose amplifiers and switches. The useful dynamic range extends to 100mA as a switch and to 100 MHz as an

Transistors - NPN, BC547, Bipolar BJT - TO-92

Transistors – NPN, BC547, Bipolar BJT – TO-92

Transistors – NPN, BC547, Bipolar BJT – TO-92 These are high-quality BJT NPN transistors that work well with audio applications, switching and amplifying Specifications: Transistor Polarity: NPN Collector-Emitter Voltage V(br)ceo: 45V Transition Frequency ft: 300MHz Power Dissipation Pd: 500mW DC

PPADA124 Drawdio kit - v1.1 STEM Electronic Pencil Kit Main

Drawdio kit – v1.1 STEM Electronic Pencil Kit

Drawdio kit – v1.1 STEM Electronic Pencil Kit Drawdio is an electronic pencil that lets you make music while you draw! It’s great project for beginners: An easy soldering kit with instant gratification. Essentially, its a very simple musical synthesizer

White 7 Segment 4 Digit Display 0.56 inch

7-Segment Clock Display, 4 Digit, 0.56″ digit height

7-Segment Clock Display, 4 Digit, 0.56″ digit height Design a clock, timer or counter into your next project using our pretty 4-digit seven-segment display. These bright crisp displays are good for adding numeric output. Besides the four 7-segments, there are

Elektor MIT App Inventor Bundle Contents

Elektor MIT App Inventor Bundle

Elektor MIT App Inventor Bundle The Elektor MIT App Inventor Bundle is a kit built to help learn about developing apps for Android compatible mobile devices using the MIT App Inventor online development environment. MIT App Inventor projects can be

Circuit Playground Bluefruit - Bluetooth Low Energy - Adafruit 4333

Circuit Playground Bluefruit – Bluetooth Low Energy (4333)

Circuit Playground Bluefruit – Bluetooth Low Energy – Adafruit 4333 Circuit Playground Bluefruit is our third board in the Circuit Playground series, another step towards a perfect introduction to electronics and programming. We’ve taken the popular Circuit Playground Express and

Solenoid, Large, Push-Pull, 12VDC

Solenoid, Large, Push-Pull, 12VDC

Solenoid, Large, Push-Pull, 12VDC Solenoids are basically electromagnets: they are made of a big coil of copper wire with an armature (a slug of metal) in the middle. When the coil is energized, the slug is pulled into the center

Solenoid, Small, Push-Pull, 12VDC

Solenoid, Small, Push-Pull, 12VDC

Solenoid, Small, Push-Pull, 12VDC Solenoids are basically electromagnets: they are made of a big coil of copper wire with an armature (a slug of metal) in the middle. When the coil is energized, the slug is pulled into the center

Medium Push-Pull Solenoid - 5V or 6V

Solenoid, Medium Push-Pull, 5V or 6V

Solenoid, Medium Push-Pull, 5V or 6V Solenoids are basically electromagnets: they are made of a big coil of copper wire with an armature (a slug of metal) in the middle. When the coil is energized, the slug is pulled into

Lock Style Solenoid - 12VDC

Solenoid, Lock Style, 12VDC

Solenoid, Lock Style, 12VDC Solenoids are basically electromagnets: they are made of a big coil of copper wire with an armature (a slug of metal) in the middle. When the coil is energized, the slug is pulled into the center

Circuit Playground Express main image Proto-PIC

Adafruit 3333 – Circuit Playground Express

Adafruit 3333 – Circuit Playground Express Circuit Playground Express is the next step towards a perfect introduction to electronics and programming. Start your journey with Microsoft MakeCode block-based or Javascript programming. Then, you can use the same board to try CircuitPython, with the Python

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