Hello guys,
I need your help because I´m newbie in this world of arduino.
I have a question..
I got very hard task for me from my boss and that task is: Create load cell with function hold a peak.
That means we need measure the force (the weight) from a lever using the load cell.
The force will be changing so we need to display only the maximum weight and hold it.
My question is - Am I able to do it with arduino?
Second question - Can I somehow connect to pc. just display the peak in exel for example?
I will be more then gratefull to get some help.
Thank you
Second question - Can I somehow connect to pc. just display the peak in exel for example?
Yes, the Arduino connects to a PC with a USB serial interface. For specific software its a question of whether it can talk to serial devices. Try searching for "Arduino Excel comms"
How long does the peak last? I mean, how long is the peak within +-90% (or some acceptable range)? If the time is short, say 1ms, you may need to capture the peak with an analog peak hold circuit and then read that with the Arduino.
Firstly, guys I´d like to thank you for your time and answer guys.
MarkT:
Yes, you'll need an instrumentation amp for the loadcell such as the HX711 SparkFun Load Cell Amplifier - HX711 - SEN-13879 - SparkFun Electronics There are plenty of threads about this here.Yes, the Arduino connects to a PC with a USB serial interface. For specific software its a question of whether it can talk to serial devices. Try searching for "Arduino Excel comms"
Mounting surface for Load Cell (Nuts, Bolts, Frame, Base)
Standard Weight blocks (100 gm)
USB - cable
Anything else I will need? Or Is it all?
groundFungus:
How long does the peak last? I mean, how long is the peak within +-90% (or some acceptable range)? If the time is short, say 1ms, you may need to capture the peak with an analog peak hold circuit and then read that with the Arduino.
When I'm thinking of the peak I realize that the peak isn´t so importat if I will be able to have data in exel. We need for example in every second of measurement measure that force and then create graph.
I´ll try to bring you closer to my idea what I need for better understanding.
My task is develop and build simple dynamometer. I have almost done the mechanical part now I´m to measurement of force/weight. We need to measure the actual power on the rear wheel. So we need to measure breaking force in that moment ( for example 1 sec or 2 sec maybe just 5 sec) and RPM at the same time.
My idea of this dyno is to measure torque and power with Moment of inertia and from brake then compare and analyse. We need just check that our E- motorcycles are same with same parameters.
Question is can I measure RPM and the force from load cell at the same time? I suppose I will need one more arduino Uno and RPM sensor right? Or can I connect it with just one Arduino?