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Pololu Simple Motor Controller User’s Guide © 2001–2015 Pololu Corporation (as shown in the right picture above). Another benefit of the connector-free version is flexibility in placement of the power capacitor (e.g. on the other side of the board) to accommodate compact installations or to make room for a heat sink. [https://www.pololu.com/product/925] The power capacitor has a significant effect on performance; the included capacitor is the minimum size recommended, and bigger ones can be added if there is space. A bigger capacitor might be required if the power supply is poor or far (more than about a foot) from the controller. Simple High-Power Motor Controller 18v15 or 24v12 bottom view with dimensions. 1.3. 18v25 and 24v23 Included Hardware Simple High-Power Motor Controller 18v25 or 24v23 with included hardware. Simple High-Power Motor Controller 18v25 or 24v23 with included hardware installed. Simple High-Power Motor Controller 18v25 or 24v23 with custom power and motor connectors (NOT included). The highest-power controller versions (18v25 and 24v23) are sold without the power capacitor and connectors installed (no fully assembled version is available). They ship with a 40×1 straight 0.1" male header strip [https://www.pololu.com/product/965], a 5mm-pitch, 4-pin terminal block [https://www.pololu.com/product/2440], and a power capacitor as shown in the left picture above. For applications under 15 A, these pieces can be soldered to the board as shown in the middle picture above; higher current applications should use thick wires soldered directly to the board or higher-current connectors [https://www.pololu.com/product/925], such as those shown in the right picture above. 1. Overview Page 8 of 108
