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One analog pin always showing "wrong" value Arduino Uno - #22 by GoForSmoke - Project Guidance - Arduino Forum
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How to make use of Interrupts on pins 20 & 21 of a Mega when using an I2c LCD - Project Guidance - Arduino Forum
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This Oled display is currently in SPI mode (I2C convertible). Where do CS, DC, RES, SDA and SCL pin go on the Nano? Seems like they mixed up the name and I
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