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HighSideSwitchModule

A high side switch module.

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PulseCounterI2C

An I2C pulse counter using a PCF8593.

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ADS1219Module

An ADS1219 I2C module

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PCF8574DIOI2C

PCF8574 I2C expander module.

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ComparatorTheremin

A simple pitch control theremin.

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Test

Breakout board for a Raspberry Pi Pico RP2040. Breaks out pins for mildly protected dual I2C, SPI, and UART.

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PicoIrrigation

Breakout board for a Raspberry Pi Pico RP2040. Breaks out pins for mildly protected dual I2C, SPI, and UART.

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TeensyIrrigation

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I2CMultiplexer

An I2C multiplexer using a TCA9548 and a PCF8574 for interrupt.

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ValveServoI2C

A PCF8574 based 5 wire valve controller module.

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