National Cat Cup hardware division equipment kit
An Arduino equipment kit built for the hardware division of the National Cat Cup SCRATCH Competition: a genuine Arduino® Uno Rev3 with 27 kinds of items, 20 of which are Made-in-Taiwan (MIT) modules with Dupont pins built onto the circuit board.

Product overview
The first National Cat Cup SCRATCH Competition was held in 2014. It is open to elementary and middle school students, with an animation division, a game division, and a hardware division centered on Arduino open-source hardware. The National Cat Cup Hardware Division Equipment Kit was built by iCShop specifically for the hardware division.
- Uses a genuine Arduino® Uno Rev3 made in Italy and certified to FCC/CE standards, with the original clear protective case
- 27 kinds of items, covering the sensing and output components commonly used in the hardware division
- Includes 20 kinds of Made-in-Taiwan (MIT) modules with Dupont pins built directly onto the circuit board, which reduces damage during project building
What this kit teaches
Digital input and output
Buttons, tilt switches, and Hall magnetic modules; single-color LEDs, relays, and LED traffic light modules.
Analog input and output
Light, potentiometer, soil moisture, and infrared obstacle avoidance modules; RGB LEDs, motor drivers, and gear motors.
Library applications
DHT11 temperature and humidity, ultrasonic, servo motor, WS2812 LED ring, 8×8 dot matrix, and I2C LCD 1602 display.
Kit contents
| Category | Item | Quantity |
|---|---|---|
| Digital input | Button module (red/yellow/green) | 1 each |
| Digital input | Tilt switch module | 1 |
| Digital input | Hall magnetic module | 1 |
| Digital output | Single-color LED module (red/yellow/green/blue) | 1 each |
| Digital output | 1-channel relay module | 1 |
| Digital output | LED traffic light module | 1 |
| Analog input | Light module | 1 |
| Analog input | Potentiometer module | 1 |
| Analog input | Soil moisture sensor module | 1 |
| Analog input | Infrared obstacle avoidance module | 1 |
| Analog output | RGB LED module (common cathode) | 1 |
| Analog output | Motor driver module | 1 |
| Analog output | Micro metal gear motor | 2 |
| Analog output | Transistor MOSFET module | 1 |
| Library | DHT11 temperature and humidity module | 1 |
| Library | Passive buzzer module | 1 |
| Library | SR-04P ultrasonic module | 1 |
| Library | SG90 9 g servo, 180 degrees | 1 |
| Library | WS2812 12-LED RGB ring module | 1 |
| Library | MAX7219 8×8 LED dot matrix display module | 1 |
| Library | I2C LCD 1602 display module | 1 |
| Main board and expansion board | Arduino® Uno Rev3 (genuine, with original protective case) | 1 |
| Main board and expansion board | Universal Sensor shield v5.0 | 1 |
| Main board and expansion board | USB cable | 1 |
| Main board and expansion board | AB hook-and-loop straps | 2 |
| Cables and wires | Single-row pin header, 1×40, equal length | 2 |
| Cables and wires | 40 color Dupont jumper wires (female-to-female), 20 cm | 3 |
Programming tools
You can program with graphical tools that work with the Cat Cup hardware division (such as WFduino and ArduBlock) or with the Arduino IDE. The permitted software versions are set by each year’s competition announcement.
Example code
CIRCUS Pi publishes Arduino example code for each module on GitHub, and every example includes wiring instructions: CIRCUSPi_module.
Also built for the Cat Cup hardware division is the Bit Teaching Kit Set (micro:bit).
Competition
National Cat Cup SCRATCH Competition (hardware division)
The competition is open to elementary and middle school students, and the hardware division centers on Arduino open-source hardware. This equipment kit was built by iCShop specifically for the hardware division.
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