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Firmware (HEX and ASM) files for the Full-wave 230V Universal Motor Speed Controller [1010218B.HEX] A ZIP package download which includes the assembly-language source code and HEX file for the PIC12F675 in the Triac-based Full Wave 230VAC Universal Motor Speed Controller. The original software (1010218A.HEX) contained a bug which prevented feedback from working after the soft-start period. That is fixed in this new version, 1010218B.HEX (04/11/2019). Cat No SC4549. Price: Free Files: TRIAC motor controller PIC12F675 (1010218B).zip (ZIP contains .hex and .asm files; 7.5KB) Related to: Project: Full Wave, 230V Universal Motor Speed Controller (March 2018 [print issue] [online issue]) Other items relevant to this project: Triac-based Full Wave 230V Universal Motor Speed Controller PCB [10102181] ($10.00) Add to trolley PIC12F675-I/P programmed for the Triac-based Full Wave 230V Universal Motor Speed Controller [1010218B.hex] ($10.00) Add to trolley Triac-based Full Wave 230V Universal Motor Speed Controller PCB pattern (PDF download) [10102181] (Free) Add to trolley Triac-based Full Wave 230V Universal Motor Speed Controller lid panel artwork (PDF download) (Free) Add to trolley