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...
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 metal pins used to plug a module into a breadboard or connect it with jumper wires. Pre-soldered headers make the module easier to use straight away without needing to solder the pins yourself.
- LED
- A light-emitting diode is a small electronic component that lights up when current flows through it in the correct direction. In this kit, LEDs create the flashing effect, so polarity and correct soldering matter for the project to work.
- 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.
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