Elecrow
Component Kit for Arduino E3
The Component Kit for Arduino E3 is a starter-friendly assortment of essential electronic components for use with any Arduino-compatible board. It includes a...
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The Component Kit for Arduino E3 is a starter-friendly assortment of essential electronic components for use with any Arduino-compatible board. It includes a broad range of resistor values, LEDs in four colours, tactile switches with button caps, potentiometers, and pin headers — everything you need to get started with breadboard-based prototyping.
All components come neatly organised in a storage box for easy transport and minimal clutter.
Key Features
- 210 Resistors – Seven common values from 100 Ω to 1 MΩ (30 of each)
- 12 LEDs – 5 mm through-hole in red, yellow, green, and white (3 of each)
- Rotary Potentiometers – B10K and B100K for analogue input experiments
- Tactile Switches & Caps – 12×12 mm switches with coloured round and square caps
- Pin Headers – 40-pin single-row male headers for breadboard connections
Ideal For
- First-time Arduino users building basic circuits
- Breadboard prototyping and electronics learning
- Stocking up on commonly used passive components
Package Contents
- 30× 100 Ω Resistors
- 30× 1 kΩ Resistors
- 30× 4.7 kΩ Resistors
- 30× 10 kΩ Resistors
- 30× 47 kΩ Resistors
- 30× 100 kΩ Resistors
- 30× 1 MΩ Resistors
- 2× B10K Rotary Potentiometer (3-pin, 15 mm)
- 2× B100K Rotary Potentiometer (3-pin, 15 mm)
- 3× Red 5 mm LED
- 3× Yellow 5 mm LED
- 3× Green 5 mm LED
- 3× White 5 mm LED
- 6× Tactile Switch (4-pin, 12×12 mm)
- 3× Round Tactile Button Cap (blue)
- 3× Round Tactile Button Cap (red)
- 3× Round Tactile Button Cap (white)
- 3× Square Tactile Button Cap (white)
- 3× Square Tactile Button Cap (green)
- 2× 40-Pin Single-Row Male Header (2.54 mm)
Jargon buster
Plain-language definitions for the technical terms used above.
- Headers
- Rows of connector contacts on a fixed pitch (commonly 2.54 mm) used to link a board to a breadboard, jumper wires, or another board. They come as male pin headers and female socket headers; when a module ships with pre-soldered headers it can be used straight away, whereas bare pads require soldering the pins yourself.
- LED
- A light-emitting diode (LED) is a small electronic component that emits light when current flows through it in the correct direction. Because it only conducts one way, its polarity matters, and a through-hole LED must be soldered the correct way around to light up.
- potentiometer
- A variable resistor usually turned with a knob or shaft to create an adjustable electrical signal. It is often used for inputs such as volume, brightness or position, so it helps beginners learn how a microcontroller reads changing values.
- through-hole
- A mounting style where the component leads pass through holes in a circuit board and are soldered on the other side. Through-hole parts are often easier to handle and solder by hand, which is useful for classroom and hobby projects.
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Related Tutorials
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