The most important thing to build your own scale is a load cell which is a metal bar with a hole in the center see picture on the right.
Kitchen scale load cell. Contribute to willdonaldson load cell kitchen scale development by creating an account on github. This particular load cell is commonly referred to as a straight bar load cell or a parallel beam load cell. Digital weight scale using arduino and hx711 module load cell this project is to design digital weight scale that measures weight up to 10kg. To finish off the article there are three electronic kitchen scale teardowns to reveal the load cells inside and you will see how the scale enclosure platform can be re assembled for calibration purposes.
Scale is designed with 0 01kg accuracy and switches are used to calibrate digital weight scale. For further information please refer to this blog post. Image courtesy of amazon. Kitchen scale load cells.
The article will cover the pros and cons of buying a bare load cell or buying electronic digital scales for the load cell inside. We use a load cell of 10kg a module that amplifies the output of load cell and an arduino. The one utilized in this project is rated for a maximum weight of 10kg or 22 pounds. View the sourcing details of the buying request titled kitchen scale loadcells including both product specification and requirements for supplier.
Such load cells are typically available in many rated loads i e maximum loads. Gml611 kitchen scale micro load cell. Load cell sensor torque sensor weighing accessories weighing scales. Even though some have a different form all are provided with four cables.
Along the way we will talk about the wheatstone. Using a 1kg load cell hx711 amplifier chip and an atmega328p i show how to create a battery operated kitchen scale. In this episode of electronic basics we will have a closer look at strain gauges and load cells and find out how we can use them to measure weight.