Software firm wish get hardware design of two weighing scale units that transmit the weight to an IP address 10 times a second.
Weight range 20 grams to 20Kg, 2nd device 20Kg to 150kg.
Plate size 30x30cm
you are welcome split the offer to two and quote for each device separately.
We will start order first the the 20gr to 20kg unit design.
Design should include full techinical information, list of components and sources, PCB design
Providing working prototype.
Please add to your bid a short description of the basic components you intend use for implementing the job (Not detailed design).
Make / Model / Price for small volume
1. Load Cell model and make
2. Microcontroller you are usually use for similar (small scale) projects
3. InAmp (if require in your design)
I can list some sources:
Load Cell make: UXCELL
InAmp: Analog Devices Model AD627
Microcontroller C8051 (or any)
16 freelancers are bidding on average $992 for this job
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