Description
40 Male-Male Jumper Wires 20cm for Arduino
PRINCIPAL FEATURES: High-quality jumper wires. Male-male connector. Random color (black, yellow, green, blue, orange, etc.). Quantity: 40 wires per pack. Easy to connect, no soldering required. Flexible clip-on jumpers that can be reused.
MODEL: Male to Male Solderless Jumper (40-cable pack)
MATERIALS: Copper + sheath
COMPATIBILITY: Arduino
WEIGHT AND DIMENSIONS: PRODUCT WEIGHT 14g
PACKAGE WEIGHT 0.185 kg
PRODUCT DIMENSIONS (L x W x H) 9 x 22 x 1 cm
PACKAGE DIMENSIONS (L x W x H) 10 x 15 x 2 cm
PACKAGE CONTENTS: 1 x 40-cable pack
Datasheets for all components are available, should they not be present in the product download, please contact us via the contact form and we will publish the first available on our site.
How to Use Male-Male Jumper Wires
These male-male jumper wires are essential for temporary connections between electronic components such as Arduino, breadboard, and sensors. Ideal for beginners exploring the world of electronic programming.
What You Need
Arduino Uno or compatible
Various sensors (light, temperature)
LED
Steps
Verify the connection between Arduino pins and breadboard using these jumper wires.
Connect a sensor to the breadboard via jumper wire.
Connect the sensor to Arduino using jumper wires to send data.
Check the sensor datasheet for pin settings.
If necessary, add a resistor between the LED and power source.
Test the circuit with a simple sketch in Arduino IDE.
Example Code
void setup() { Serial.begin(9600); }
void loop() { int val = analogRead(A0); // Read from sensor connected to A0 Serial.println(val); }
Mini-Project
Create a simple alarm system that sends temperature and light data to Arduino via serial monitor.
Common Errors
Incorrectly connecting jumper wires, reversing anode and cathode.
Not verifying sensor specifications before connecting.
Using jumper wires that are too long or short for your project.
Omitting the use of resistors when necessary to protect components.
Recommended Accessories
Various resistors
Large breadboard
Arduino Uno R3 Sensor Kit
Frequently Asked Questions
What are the standard lengths of the jumper wires? Our jumper wires have a length of








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