All Questions
7 questions
0
votes
1
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Why does HX711 load cell amp not have an I2C address?
Context: I am trying hook up the TI CC26X2R1 dev board to a 5 wire load cell to act as an end device in a Thread network. I use the Sparkfun HX711 load cell amp to amp and as an ADC (links for both ...
2
votes
0
answers
365
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Does creep always occur with load cells, or is there an optimum weight capacity?
I want to make a scale which I will place under a wood stove (downdraft gasifier) to measure the amount of wood that goes into the wood stove. The amount of wood which is being measured will be ...
- 21
0
votes
2
answers
2k
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Can I read out this 10V load cell with the 5V OpenScale board?
For a robotics project in which I want to build a kite flying robot I want to measure the pull force on the rope connected to the kite. To measure this pull force I bought this load cell (which ...
- 485
1
vote
2
answers
4k
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How to hook up a load cell to an Instrumentation amplifier correctly
I am trying to get load cells connected to an instrumentation amplifier. The load-cells I have are extremely similar to the ones here https://www.sparkfun.com/products/10245. They have 3 wires coming ...
- 507
0
votes
1
answer
915
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Instrumentation amplifier for load cells
In the most part of tutorials I see they use INA125 as the instrumentation amplifier for load cells.
Is it ok to use another cheaper amplifier as the AD8237? Or is there a specification or ...
- 293
5
votes
1
answer
7k
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Does this loadcell's creep mean that I can not let a constant load on the loadcell?
I want to build a connected scale that I can set coffee powder (for example) on it and check over the internet how much of coffee I still have without going to see it.
Usually all loadcells have a ...
- 293
0
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2
answers
1k
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ADC Value from load cell to MSP430 not correct
I have a 1000lb load cell (LC302 from omega) being fed through an INA125 OPAMP then to the ADC10 of a MSP430G2553 with 2.5V as reference.
2.5V is coming out of the OPAMP that's being fed into the ...
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