Silicon Chip Shop - Software     (search for shop items within this category)

Firmware for the Digital Preamplifier/Crossover This ZIP package contains various pieces of software required for the Digital Preamplifier and Crossover, including: The HEX file to program the microcontroller Source code to build that HEX file The USB interface driver The DSP source code The v1.1 update on 19/01/2026 fixes a bug that caused the 8MHz oscillator not to run (although it still worked, running from the internal 8MHz RC oscillator). Cat No SC3415. Price: Free Files: Digital_Preamp software v1.1.zip (ZIP contains .hex file and source code; 1.7MB) Related to: Project: Digital Preamp & Crossover (October 2025 [print issue] [online issue]) Project: Digital Preamp & Crossover, Pt2 (November 2025 [print issue] [online issue]) Project: Digital Preamplifier, Part 3 (December 2025 [print issue] [online issue]) Other items relevant to these projects: Digital Preamplifier main PCB [01107251] ($30.00) Digital Preamplifier front panel control PCB [01107252] ($2.50) Digital Preamplifier power supply PCB [01107253] ($7.50) PIC32MX270F256D-50I/PT‎ programmed for the Digital Preamplifier/Crossover [0110725A.HEX] ($20.00) Digital Preamplifier/Crossover PCB patterns (PDF download) [01107251-3] (Free) 3D printing files for the Digital Preamplifier/Crossover (Free) Digital Preamplifier/Crossover case drilling diagrams (Free)