Build a Digital Kitchen Scale with the Arduino Load Cell Weight Sensor Kit

Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.

Picture a sleek digital scale sitting on your kitchen counter, displaying the exact weight of spices in grams with the press of a tare button. That's what you'll create with this kit. The HX711 amplifier paired with a 1kg load cell forms the sensing heart, while the Arduino Uno reads precise measurements and drives a crisp 16x2 LCD. A tactile button resets the reading to zero, letting you subtract container weight instantly. Every connection is mapped, every line of code explained, turning a pile of components into a practical measuring tool you'll actually use.

What You'll Build

You'll assemble a fully functional digital weighing scale on a breadboard. Place an object on the load cell platform and the LCD updates with its weight in grams. Press the tare button to zero out any container, then add ingredients to measure only what's inside. The scale is sensitive enough to track a few crystals of salt, yet robust enough for daily use in small weighing tasks. When you're done, you can transfer the circuit to a permanent enclosure and integrate it into your kitchen or lab.

What You'll Learn

• Wire a resistive load cell and HX711 amplifier to an Arduino for analog-to-digital conversion
• Calibrate a weigh sensor using known reference weights to achieve gram-level accuracy
• Display real-time sensor data on an I2C LCD, including custom characters and formatting
• Implement a hardware debounced button for tare functionality in embedded code

Kit Contents

Why Buy This Kit Instead of Sourcing Parts Separately

Who This Kit Is For

Young inventors in ATL Tinkering Labs will love seeing a real-world sensor application come to life. Parents guiding a weekend STEM activity can rely on the visual outputs to keep children engaged. It's also a natural fit for CBSE Class 11-12 physics demonstrations on measurement and instrumentation, giving students hands-on calibration experience. Even first-time Arduino users, from age 10 upward, can follow the clear instructions and complete the scale in a single sitting.

Built and Backed by Compoden

Every Compoden kit ships with an AI build companion trained on this exact project - accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.