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Audio Spot Frequency Test Generator PCB [04111261] The PCB for the Audio Spot Oscillator. It's a double-sided PCB with plated through holes, green solder mask and white silkscreen overlay. 95 x 65mm. Cat No SC7748. Price: AUD $5.00 1 Log in to purchase In stock: yes (10 available). Estimated dispatch time: 1-3 days Related to: Project: Audio Spot Frequency Oscillator (October 2026 [print issue]) Other items relevant to this project: PCM5102 DAC module ($10.00) NJM5532DD ultra-low-noise, low-distortion dual op amp ($5.00) NJM5532D low-noise, low-distortion dual op amp ($3.50) 0.96in white OLED with SSD1306 controller ($10.00) 0.96in cyan OLED with SSD1306 controller ($10.00) Audio Spot Frequency Oscillator firmware (Free) Audio Spot Frequency Test Generator PCB pattern (PDF download) [04111261] (Free)