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Arduino Weight Sensor 1kg | Precision Weighing for DIY Projects

Compact Load Cells for Accurate Small-Scale Measurements

The Arduino Weight Sensor 1kg is a compact, high-accuracy load cell designed to measure small weights up to 1 kilogram. When paired with an HX711 amplifier and an Arduino board, this sensor becomes the backbone of DIY weighing systems, smart kitchen scales, and laboratory-grade projects.

At Sensors and Gauges, we supply a wide range of load cells and weight sensors, including 1kg weight sensors perfect for electronics projects, prototyping, and educational use.

👉 Request a Quote for 1kg Weight Sensors

What is an Arduino Weight Sensor 1kg?

An Arduino Weight Sensor 1kg is a miniature strain gauge load cell capable of detecting small loads with high accuracy. It is widely used in:

  • Mini digital scales

  • Kitchen weighing systems

  • 3D printer filament monitoring

  • Smart coffee weighing projects

  • Robotics and automation

These sensors output very low voltage signals, which are amplified using an HX711 24-bit ADC module, then processed by Arduino for digital display or IoT integration.

👉 External Resource: Load Cell Solutions

How Arduino Weight Sensor 1kg Works

  1. Force Applied – Weight is placed on the load cell.

  2. Strain Gauges Response – Tiny electrical resistance changes occur due to strain.

  3. Signal Amplification – HX711 amplifier converts microvolt signals into readable digital output.

  4. Arduino Processing – The microcontroller reads the data, applies calibration, and displays weight.

This simple workflow ensures precision measurement for small objects.

👉 Related Internal Resource: Arduino Load Cell Projects

Arduino Weight Sensor 1kg Circuit Setup

Here’s a simple DIY circuit example:

Components Required:

  • 1kg Load Cell

  • HX711 Amplifier Module

  • Arduino Uno / Nano / Mega

  • Jumper wires

  • LCD Display (optional)

Connections:

  • Load Cell → HX711 (E+, E-, A+, A-)

  • HX711 → Arduino (DT → D3, SCK → D2, VCC → 5V, GND → GND)

  • Arduino → Serial Monitor or LCD

This setup lets you measure weights from a few grams up to 1kg with milligram-level accuracy.

Arduino Code for Weight Sensor 1kg

Here’s a basic sketch to get started:


#include "HX711.h" #define DT 3 #define SCK 2 HX711 scale; void setup() { Serial.begin(9600); scale.begin(DT, SCK); scale.set_scale(2280.f); // calibration factor scale.tare(); // reset scale to 0 Serial.println("Arduino 1kg Weight Sensor Ready"); } void loop() { Serial.print("Weight: "); Serial.print(scale.get_units(), 3); Serial.println(" g"); delay(500); }

👉 Adjust the calibration factor (2280.f) based on your sensor and setup.

Applications of Arduino Weight Sensor 1kg

  • Smart Kitchen Scale – Weigh coffee beans, spices, or baking ingredients.

  • Filament Monitor – Track remaining filament in 3D printers.

  • Mini Lab Balance – Affordable weighing solution for experiments.

  • Pet Feeders – Ensure exact portioning for cats, dogs, or birds.

  • IoT Devices – Weight monitoring via Wi-Fi using ESP8266/ESP32.

👉 External Resource: Load Cell Shop

Why Choose a 1kg Weight Sensor for Arduino?

✔️ High Sensitivity – Detects very small weight changes
✔️ Affordable – Cost-effective for students, makers, and DIYers
✔️ Compact – Fits into portable and small enclosures
✔️ Scalable – Can be combined with multiple load cells for larger projects
✔️ Arduino Compatible – Easy to integrate with HX711 libraries

Buying Guide – How to Choose Arduino Weight Sensor 1kg

When purchasing a 1kg load cell for Arduino, check for:

  • Accuracy Class – For precise readings (C2 or higher recommended)

  • Mounting Type – Single point or bar-type depending on application

  • Material – Aluminum alloy for lightweight, stainless steel for durability

  • Wiring – Ensure compatibility with HX711 module

  • Calibration Support – Ease of setup and adjustment

👉 Shop Arduino Weight Sensors

Location & Customer Support

📍 Unit 27/191, McCredie Road, Smithfield, NSW 2164
📞 0477 123 699
📧 sales@sandsindustries.com.au

💬 Have a question? Drop us an email or WhatsApp anytime – we’ll get back quickly.

Final Thoughts – Arduino Weight Sensor 1kg

The Arduino Weight Sensor 1kg is the ideal choice for DIY electronics projects, smart devices, and lab experiments where high precision at small capacities is required. By integrating a 1kg load cell with Arduino and HX711, you can build anything from a coffee scale to an IoT-enabled pet feeder.

At Sensors and Gauges, we stock 1kg load cells and amplifiers, ensuring reliable performance for makers, engineers, and innovators.

👉 Request a Quote for 1kg Weight Sensors

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