As part of our new technical support service, we have been using a new tool called 123circuits. It’s an online circuit and arduino sketch simulator that allowed us to have multiple users online and sharing the same virtual breadboard and arduino. We were able to explain the operation and configuration of a transistor vs. a MOSFET with a working sketch so the customer could see a working motor speed up and slow down according to the sketch being written. It’s a very useful tool for one person, or several.
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