In this video, I explain how to connect a four-wire load cell to the HX711 amplifier module and how to read the weight value with an Arduino. Diagrams and pictures: https://circuitjournal.com/four-wire-load-cell-with-HX711 Github page of the "HX711_ADC" library: https://github.com/olkal/HX711_ADC 3D printed parts: https://www.thingiverse.com/thing:4602226 Buy from Amazon: Crimping tool (I am using this one): https://amzn.to/3jaDwci DuPont connector set: https://amzn.to/3rCPT8e Load Cell with HX711: https://amzn.to/2zwTcG1 Genuine Arduino Uno: https://amzn.to/2ZXfdsr Male to male jumper wires: https://amzn.to/2TX0GZP (As an Amazon Associate I earn from qualifying purchases) Buy from Aliexpress: Crimping Tool: https://s.click.aliexpress.com/e/_dVTkVNc DuPont Connector Set: https://s.click.aliexpress.com/e/_dUQew9o Load Cell with HX711 Module: https://s.click.aliexpress.com/e/_9GL349 Arduino Uno Compatible Board: https://s.click.aliexpress.com/e/_AVaoKb Set of Jumper Wires: http://s.click.aliexpress.com/e/cnhvUw2c Disclosure: Bear in mind that some of the links in this post are affiliate links and if you go through them to make a purchase I will earn a commission. Keep in mind that I link these companies and their products because of their quality and not because of the commission I receive from your purchases. The decision is yours, and whether or not you decide to buy something is completely up to you. Timecodes: 00:00 Intro 00:20 Demo 00:45 Different load cells 01:44 How does the load cell work? 02:39 The HX11 amplifier module 02:50 Assembly 05:03 Verifying the wires 06:16 Connecting the load cell to the amplifier module 06:50 Connecting the HX711 module to Arduino 07:19 Downloading the HX711_ADC Library 07:42 Arduino code 08:14 Calibrating the load cell 09:35 Testing the load cell with various objects 10:15 End Music from Youtube audio library.