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Audio preamplifier with tiny OLED display and unique case

Reading Time: 2 minutes Audio preamplifier with tiny OLED display and unique case Arduino Team β€” July 11th, 2018 As spotted here, Sam Izdat decided to make a preamplifier for a friend who provides voice talent for audiobooks and the like. The primary audio circuitry for the build is provided by a purchased PCB based on the INA217 chip […]