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Transistor - NPN (BC337)
The BC337 is an NPN silicon bipolar junction transistor (BJT) suitable for switching and amplification in general-purpose circuits. With a collector current rating of 800 mA and a collector-emitter voltage of 50V, it can drive relays, LEDs, small motors, and other moderate loads directly from a m...
Transistor - NPN (2N3904)
These are very common, high quality BJT NPN transistors made by ST Micro. Datasheet: 2N3904
2N2222A NPN Transistor
The 2N2222A is a widely used general-purpose NPN bipolar junction transistor (BJT) in a TO-92 package. With a maximum collector current of 800 mA and a collector-emitter voltage of 75 V, it's suitable for switching and amplification in a broad range of electronic circuits. Key Features NPN Bip...
Red 7-segment clock display - 1.2 digit height
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I like big seven-segment displays and I cannot lie! Design a clock, timer or counter into your next project using our pretty, candy-bar sized 4-digit seven-segment display. These bright crisp displays are good for adding numeric output. Besides the four 7-segments there is a top right dot (per...
Red 7-segment clock display - 0.56 digit height
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A red 4-digit 7-segment clock display with 0.56″ (14.2 mm) digit height. Each digit includes a decimal point, plus a centre colon for time-based displays. Bright at 18 mcd, these displays are easy to read and can be dimmed by reducing drive current to save power. This is a raw multiplexed common...
Green 7-segment clock display - 0.56 digit height
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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 decimal points on each digit and an extra wire for colon-dots in the center (good for t...
Blue 7-segment clock display - 0.56 digit height
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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 decimal points on each digit and an extra wire for colon-dots in the center (good for t...
Yellow 7-segment clock display - 0.56 digit height
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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 decimal points on each digit and an extra wire for colon-dots in the center (good for t...
RGB LED weatherproof flexi-strip - 30 LED/m
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This weatherproof RGB LED flexi-strip features 30 LEDs per metre on a white PCB backing with a silicone weatherproof coating and 3M adhesive on the reverse. The entire strip is controlled as one unit — drive the R, G, and B channels with a microcontroller and three N-channel MOSFETs (or NPN trans...
Tower Light - Red Yellow Green Alert Light with Buzzer - 12VDC
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A tri-colour tower light with red, yellow, and green LED segments plus a built-in buzzer, powered by 12V DC. Each light and the buzzer are independently controlled via separate wires, making it easy to indicate machine status, project states, or alert conditions from a microcontroller. The light...
![Analog RGBW LED Strip - RGB plus Warm White - 60 LED/m [~3000K] - 4m Reel](/rails/active_storage/representations/redirect/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVGkCz3lJIghwdXIGOwBUSSIMYmxvYl9pZAY7AEY=--abd6aa165a354385841bff15b01d88c714d17d2f/BAh7BkkiC19yYWlscwY6BkVUewdJIglkYXRhBjsAVHsIOgtmb3JtYXQ6CXdlYnA6EnJlc2l6ZV90b19maXRbB2kCkAFpApABOgpzYXZlcnsHOgxxdWFsaXR5aVc6CnN0cmlwVEkiCHB1cgY7AFRJIg52YXJpYXRpb24GOwBG--f55be79df1f1b025f86d676a642df617e240cfbc/image_e06c25cd-f434-4dd3-b980-73fe2bdd3c4e.jpg)
Analog RGBW LED Strip - RGB plus Warm White - 60 LED/m [~3000K] - 4m Reel
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An analog LED strip featuring both RGB and warm white (~3000K) LEDs at 60 LEDs per metre on a weatherproof white flexi PCB. Control the entire strip at once using any microcontroller and four transistors (one per channel) — no addressable LED library needed, just PWM for colour mixing. Power the...
Yellow 7-segment clock display - 1.2 digit height
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A bright yellow 4-digit 7-segment clock display with a large 1.2" digit height — perfect for clocks, timers, and counters. Each segment is ultra-bright at 36mcd and constructed from two LEDs in series for even colour distribution. This is a raw multiplexed, common-cathode display. You can drive ...
White 7-segment clock display - 0.56 digit height
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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 decimal points on each digit and an extra wire for colon-dots in the center (good for t...
Electronics Components Basic Starter Kit
Packing list: 10 × White LEDs10 × Yellow LEDs10 × Blue LEDs10 × Green LEDs10 × Red LEDs1 × RGB LED2 × Photoresistors (LDR)1 × Thermistor5 × Rectifier Diodes (1N4007)5 × NPN Transistors (PN2222)1 × Optocoupler IC (4N35)1 × Shift Register IC (74HC595)10 × Tactile Push Buttons (small)1 × Active...
Elecrow Upgraded Electronics Kit
A comprehensive 300+ piece electronics component kit for getting started with Arduino, Raspberry Pi, and general electronics prototyping. Everything is packed into a single box for organised, efficient access — covering the core components you'll reach for again and again across beginner and inte...
SparkFun Beginner Parts Kit - SparkFun Electronics
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Every electronics hobbyist, from beginner to expert, needs a well-stocked "bubble gum" parts bin. The SparkFun Beginner Parts Kit is the perfect solution, providing a curated collection of the most essential through-hole components you'll need to get started with your first embedded projec...
Ring Inductive Proximity Sensor (22mm Hole Diameter)
This inductive ring proximity sensor detects metal objects as they enter or pass through a 22 mm ring opening. Operating on a 6–36 V supply with NPN normally-open output, it delivers a sub-1 ms response time — fast enough to reliably detect small, fast-moving metal parts. The sensor features an ...
TIP122G NPN Darlington Transistor - 100V 5A
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The TIP122G is a high-power NPN Darlington transistor for switching heavier loads from a low-current microcontroller output. It is well suited to projects where an Arduino, Raspberry Pi or similar controller needs to drive a motor, solenoid, high-power LED strip or relay.A Darlington transistor c...
ECell: Breadboard-Plugin Components Pack
INTRODUCTION Breadboard-Plugin Components Pack is a new kit designed for breadboard experiment. It provides many kinds of components, such as resistors, capacitors, diodes, transistor .etc. The module pins are using gold-plating technology, solid and durable. It coul...
RGB LED Weatherproof flexi-strip 60 LED/m
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These LED strips are fun and glowy. There are 60 RGB LEDs per meter - twice as many as our other strip, and you can control the entire strip at once with any microcontroller and three transistors. The way they are wired, you will need a 9-12VDC power supply and then ground the R/G/B pins to tu...
