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Sorry, the sensitivity factor is 3.125mV/G. I will change that, thanks!
The response time is 0.003ms is 334 Khz max.
Nice that you mention your current way of shopping. My question was how to minimalize the times of taking the grosseries in the hands. The optimal score is from the store shelf in the cart and from the cart in the fridge or store space at home. So, no carrying of bags. Problem is the check out, there I have to take the goods once again in my hands. Supermarkets want only their own "open" shopping carts behind the cash desk.
Thank you, that you appreciate this project. The weight holds the cart in place. To lock the box you can attach a piece of wood onder the "bridge" that fits between the crossbars of the rack,
By weight and tight fit stays the cart onto the bike rack. You can use a small chain lock by making a hole in the frontside of the 'bridge' of the cart and attach this to the rack or saddle.
The schematic you find in step 2, called the circuit. The data of this sensor you find below. Measuring in the pT range you need hall sensors like the TMR9001. I think that is an other category sensor (instrument), compared to the goal of this project.
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