IoT Weighing Scale using Load cell HX711,ESP32, & New Blynk V2 0
In today’s episode, you will learn how to make an IoT-based digital weighing scale using ESP32 WiFi + Bluetooth module, an HX711 amplifier board, a load cell, and the new Blynk V2.0.
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Arduino Weighing Scale using HX711, a load cell, and Oled display Module
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Project Description:
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In today’s episode, you will learn how to make an IoT based digital weighing scale using ESP32 WiFi + Bluetooth module, HX711 amplifier board, a load cell, and the new Blynk V2.0.
Arduino and ESP32 are completely different controller boards. Arduino is a 5V compatible controller board while the ESP32 WiFi + Bluetooth module is a 3.3V compatible controller board. And this is the reason, the calibration value of the HX711 and Load cell that works with the Arduino doesn’t work with the ESP32 Controller board. For ESP32 we will need to repeat the same calibration procedure again and we will also need to reduce the speed of the ESP32 module.
Previously, I used the same HX711 amplifier board and the same 5Kg Load cell with the Arduino and explained the most basic things including, the mechanical setup, Load cell working mechanism, HX711 amplifier board technical specifications and its interfacing with Arduino, how to calibrate the HX711, and its programming.
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ESP32 WiFi + Bluetooth Module (My recommendation), more IO pins, improved speed, and supports a Lipo Battery:
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HX711 Amplifier board
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Load cell or strain gauge
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#weighingscale #hx711 #altiumdesigner
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IoT Weighing Scale using Load cell HX711,ESP32, & New Blynk V2 0
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