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50kg Load Cell
This load sensor, sometimes called a strain gauge, is the same one found in digital bathroom scales (you know, the ones you use in January for your New Year’s resolutions, and then forget about a month later).
The sensor is a group of half-bridge strain gauge, there are 3 ways to use it
1. Use one sensor with an external resistor to form a full-bridge measurement, the range of a sensor range: 50kg. External resistance on the higher requirements.
2.Use two sensors to form a full-bridge measurement, measuring range for the sum of the two sensors: 50kgx2 = 100kg
3.Use four sensors to form a full-bridge measurement, measuring range for the sum of four sensors: 50kgx4 = 200kg
HX711 AD Module
This module uses 24 high precision A/D converter chip hx711. It is a specially designed for the high precision electronic scale designwith two analog input channelthe internal integration of 128 times the programmable gain amplifier. The input circuit can be configured to provide a bridge type pressure bridge (such as pressureweighing sensor mode)is of high precisionlow cost is an ideal sampling front-end module.
Features
Operation supply voltage range: 2.6 - 5.5V
Operating Temperature Range:-20 degree ~ +85 degree
Simple digital control and serial interface: pin-driven controlsno programming needed
Selectable 10SPS or 80SPS output data rate
Simultaneous 50 and 60Hz supply rejection
Current consumption including on-chip analog power supply regulator: normal operation < 1.5mApower down < 1uA
Two selectable differential input channels
On-chip active low noise PGA with selectable gain of 3264 and 128
On-chip power supply regulator for load-cell and ADC analog power supply
On-chip oscillator requiring no external component with optional external crystal
On-chip power-on-reset
About US
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Ellie
2025-08-31 16:28:47
It took a while to find the proper circuitry needed to use, but once i did i was able to hook these up and they seem to work well. Happy so far
Customer
2025-08-20 15:38:37
The instructions provided work and I am able to get close to accurate measurements without much effort. The one issue I had to figure out is how the metal must be mounted. If it is mounted even slightly incorrectly it will give odd and bogus data.The key is to have the outer perimeter lifted off of the mounting surface enough that the center metal hangs freely. It was only about 2mm but it made all of the difference.I'm only giving it 4 stars because the wires are very thin and seem quite breakable.
PingoloZz
2025-06-05 17:11:26
Bueno
John Brook
2025-05-26 12:21:13
The wiring diagram was incorrect for a Wheatstone bridge.Please see attached picture
Brett
2025-04-28 11:17:28
Dont buy this, i dont know how anyone else got this to work but ive been at it for 2 months now. Fair warning, you will waste your time
Dave
2025-04-06 12:25:26
Dedicated Weight Scale for my workshop cyclone dust collection chip barrel.Got tired of over filling the chip barrel and clogging the filters.Not complete yet but making progress.
Customer
2025-03-14 13:59:09
Works fine and easy to set up.
Edward A. Webb
2025-02-16 12:22:45
This does not have any consistency whatsoever. Wired as instructed, and taking mean reading of 100 samples each time I still get completely unusable results. My weight is a water jug, up to 8 gallons, about 25Kg. Measurements after tare range from 45Kg to -30Kg. A margin of error 2x my max weight.
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