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Silicon Chip Shop - Downloads for October 2009 (search for shop items within this category)

High-Quality Stereo Digital-To-Analog Converter, Pt.2

ATmega48 firmware and C source code for the Stereo DAC [0110909A.HEX]
- 0110909A.zip (11.5KB)

Stereo DAC Digital/Control board PCB pattern (PDF download) [01109091]
- Stereo DAC Digital board (01109091).pdf (28.8KB)

Stereo DAC Analog board PCB pattern (PDF download) [01109092]
- Stereo DAC Analog board (01109092).pdf (21.6KB)

Stereo DAC Switch board PCB pattern (PDF download) [01109093]
- Stereo DAC Switch board (01109093).pdf (227.0KB)

Circuit Notebook

PIC12F629 firmware (HEX) and source code for the RS-232 to IrDA Transmitter
- irda.zip (1.2KB)

PICAXE-08M BASIC source code for the Tank Gauge/Pump Control for Caravans & Boats
- Manpump1.bas (1.6KB)

Digital Megohm & Leakage Current Meter

PIC16F88 firmware and source code for the Digital Megohm & Leakage Current Meter [0411009A.HEX]
- 0411009A.zip (Zip contains HEX and ASM files; 12.0KB)

Digital Megohm and Leakage Current Meter PCB pattern (PDF download) [04110091]
- Digital Megohm and Leakage Current Meter PCB (04110091).pdf (24.8KB)

Digital Megohm and Leakage Current Meter front panel artwork (PDF download)
- Digital Megohm Meter panel artwork.pdf (168.5KB)

Using A Wideband O₂ Sensor In Your Car, Pt.2

PIC16F88 firmware and source code for the Wideband Oxygen Sensor Controller [0511009A.HEX]
- 0511009A.zip (Zip contains HEX and ASM files; 24.4KB)

Wideband Oxygen Sensor Controller PCB pattern (PDF download) [05110091]
- Wideband Oxygen Sensor Controller PCB (05110091).pdf (32.2KB)