HobbyCNC

PRO Chopper Driver Board

We now move on to four 100uF 16v electrolytic capacitors located at positions C15, C16, C17 and C18. These capacitors are polarized, which requires them to be orientated correctly when installed on to the board. The longest lead of the capacitor is the positive, which should be inserted in to the hole on the PCB labeled with the "+". The body of the capacitor has a "—" marked on it to assist you in identifying the proper orientation.

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