Tag: MCP23S17

HiFi Passive Preamp
Audio

HiFi Passive Preamp

FutureSharks @ github.com has build a very nice HiFi passive preamplifier controlled by an Arduino board. It has the following features: Volume control and input selection via encoder and Apple remote. Uses a 256 step R2R relayed based attenuator. Completely...

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IO expander board
Mcu

IO expander board

I/O Expander Board offers a convenient way to interface upto 16 I/O pins in your project using SPI/I2C bus.  This kit uses the famous MCP23S17 IO chip from Microhip. Specifications Supply sourced through the interfacing Box Header connector The kit has 2 separate Box Header...

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