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High Power DC Motor Speed Control PCB patterns (PDF download) [11112161/2] PDF with the PCB designs for Our biggest-ever DC speed controller: 12 to 60V at up to 40A (double-sided). Both layers of both PCBs are in a single PDF. This include the main PCB, coded 11112161 and the Mosfet PCB, coded 11112162. Note that due to the number of vias, this would be difficult to etch at home so it is mainly provided as a reference. Cat No SC4138. Price: Free Files: 60V 40A DC Motor Speed Controller PCB Patterns (11112161-2).pdf (242.0KB) Related to: Project: High Power DC Motor Speed Control (January 2017 [print issue] [online issue]) Project: High Power DC Motor Speed Control – Part 2 (February 2017 [print issue] [online issue]) Other items relevant to these projects: High Power DC Motor Speed Control main PCB [11112161] ($10.00) Add to trolley High Power DC Motor Speed Control Mosfet PCB [11112162] ($12.50) Add to trolley PIC16F88-I/P programmed for the High Power DC Motor Speed Controller [1111216A.HEX] ($15.00) Add to trolley Hard-to-get parts for the High Power DC Motor Speed Controller ($50.00) Add to trolley Firmware (ASM and HEX) files for the High Power DC Motor Speed Control [1111216A.HEX] (Free) Add to trolley