How to use HX711 with Four Load Cells

Have you ever needed to weigh something or wanted to automate something using weight? Try using a four load cell setup for your next project.

[christopherstaples]

@1:40 how do you wire up multiple of those ? I am wanting to use 4x 1kg versions on each corner of my fish feeders to workout how many grams of feed is being dispensed (assuming this would let me weigh 4kg worth of feed or am i better of with just 1x 5kg ? I am trying to measure to nearest gram )

[CamiloSperberg]

Thank you sooo much for this easy, right to the point explanation! I was getting pretty confused by how to connect it all and most videos and guides connect only the one that has the integrated weathstone bridge. My only issue now is to get all cable lengths the same as I have to set up 8 of them under our bed somehow hahaha

[filip]

I am trying to recreate scale but i do get fault in code problem is : Scale.begin(LOADCELL_DOUT_PIN, LOADCELL_SCK_PIN, 128); its says that no matching function for call to 'HX711::begin(const int&, const int&, int)'
.... could you help ?

[luigibuffone]

Good video. I am looking for a code to manager 2 or more sensors in output

[Lior-nb]

hello, thank you for your video, it's very clear. I'm kind of new to electronics, for a project I need to be able to measure weight from 24 different sources. Do you think it would be possible to use six HX711 (witch each four load cells) connected to the same Arduino ?

[amateurbythesea]

To make it clear, is "Load cell" a combination of four "Strain gauge"' in bridge circuit?

[matthewb]

I accidentally purchased some 4-wire strain gauges, can they be tied together like the 3-wire? I found your drawing for a single 4 wire but not for a multi 4-wire setup.

[janmenzinga]

Hi, what can be the maximum weight that this project can read out?

[elliob]

What is VCC from the HX711 board connect to on the ESP? 3.3V or 5V?

[_frostypaw]

How did you connect the wires together under the scale? Electrical tape?

[ljbix]

I want to make a 4-corner scale using this amplifier, but with four 1kg load cells the type that are each a bridge, with four wires: V+, V-, Sig+, Sig-. (Max load this will ever see is about 1.2kg, distributed among the four load cells). Seems like I would just hook all four up in parallel - all four V+ wires together to the supply, all four V- wires together to ground, and all the Sig+ wires together and all the Sig- wires together, and then provide the four resulting common connections to the HX711. Is that right?

[pathmashanthasenanayake]

Please explain following code line...
HX711 scale;

[daffaakbarr]

when you wiring all the sensors together, is that becoming a full wheastone bridge ?

[msqru]

Hi. if the sensor is under load all the time, will it affect its performance? Will it stop working due to deformation?

[prof]

Is it possible to read 4 loadcells individually in this configuration?
I need to read 4 loadcell value and display in LCD. Do I need four HX711 or is it possible with single as in your video?

[kristophermaltais]

Hello, is it possible to use these load cells with a larger surface? Maybe around a square 5 feet x 5 feet?

[pathmashanthasenanayake]

my Arduino code shows this compile error "no matching function for call to 'HX711::HX711()'". Please help me

[yurheejin]

how did you attach load cell on the plate? did you use glue gun?

[markamandaangeloni]

Hi There how did your project turn out?
I take it you were leaving the kegs on the scales for days on end did this cause any problems in the weight readings creeping.
Your project is similar to mine and this is my main concern the margin of error with a load on the scales almost permanently would give an unworkable error for my needs.
what sort of weight were you trying to weigh and what error did you get.
Thanks

[leyxy]

Hi there, I have issue with my program. But in my program, I use Raspberry pi.
I just want to use 1 load cell. The output giving me inconsistent value. Any advice?