Hardware -Prototype Development
Today I continue with the prototype of motor driver. Similar to voltage regulator, this prototype also use a single hole board. I developed each circuit separately for ease of troubleshooting as well as make it smaller in size so that it is flexible and easy to be arranged on a limited space. Below are the pictures during development of motor driver.
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| Motor driver circuit (front) |
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| Motor driver circuit (back) |
I'm just noticed that I need to add connection for power supply directly from battery to the motor driver. Another connection that need to be added is Vcc and ground terminal for sensor. Therefore, I decided to add one terminal for supply from battery and six pair of Vcc and ground on voltage regulator circuit.
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| Additional power supply terminal (on the right) and a row of Vcc and ground (bottom of the board) |
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