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Weight Operated Mobile Robot

Published Sep 19, 2022
 Apache-2.0
 36 hours to build
 Beginner
arduino

When the desired weight put on the mobile robot upper surface then the Arduino Uno execute the weight and command the motor driver and then the mobile robot running condition.

display image

Components Used
L298N Motor driver
L298N is a high current, high voltage dual full bridge motor driver. It is useful for driving inductive loads. 		X 1
Strain Gauge Load Cell 5Kg
Strain Gauge Load Cell 5Kg 		X 1
Arduino UNO
Arduino UNO 		X 1
Hot Glue Gun
Other Tools Long Trigger Hot Glue Gun 		X 1
DC Gearbox Motor
Adafruit Accessories DC Gearbox Motor - TT Motor - 200RPM - 3 to 6VDC 		X 2
12V Rechargeable Lithium Iron Battery
LiFePO4 - Lithium Iron Phosphate Battery 12V 7.5Ah LiFePO4 5.95 x 2.56 x 3.70" 		X 1
Caster Bearing Wheel
Adafruit Accessories 20mm Height Metal Caster Bearing Wheel 		X 1
Male to Female Jumper Wire
Jumper Wires Mach pin jumper wires 		X 15
Female to Female Jumper Wire
Jumper Wires Mach pin jumper wires 		X 1
Male to Male Jumper Wire
Jumper Wires Mach pin jumper wires 		X 1
USB Type A to B Cable
USB Cables / IEEE 1394 Cables USB A-B 28/26 BLACK 1.3 M 		X 1
Wheel for DC Gearbox Motors
Adafruit Accessories Skinny Wheel for TT DC Gearbox Motors 		X 2
Wooden sheet
 X 1
Description

Introduction :- Weight operated mobile robot is design for material supply one station to another station a desired weight in Kg/Grams. 

Architecture:- 

Step 1:- First Arduino uno, load cell and HX711 ADC connection  to each other. Calibrate and interface the weight 190<200<210 grams. 

Calibration Circuit Diagram :- 

Calibration Video Link :- https://drive.google.com/file/d/15wCbCbTuUNQH0weIU_npZAL2lDjSQYnn/view?usp=drivesdk 

Calibration Result Video Link :- https://drive.google.com/file/d/15x_7JzDJywCqojY3S2N7wcCMCBmO6UeR/view?usp=drivesdk 

Step 2:- Interface the Arduino, 5 kg Load cell, and Motor Driver L298N. Weight limits used in program code, when 190<200<210 gram weight put on the surface of mobile robot then start the mobile robot in running condition.

Project Circuit Diagram:- 

Project Demo Video Link:- https://drive.google.com/file/d/15xSnavRYHH_cOqEr4tmRd7bt5dQ2qcIA/view?usp=drivesdk 

 

Final Project Video Link:- https://youtube.com/shorts/ebJA1BsCcEY?feature=share

 

Codes

Downloads
arduino-hx711-load-cell_bb Download
load_cell_Interface_bb Download
   
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