Questions tagged [dac]

A digital-to-analog converter (DAC) is a system that converts a digital signal into an analog signal.

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Using ESP32 to measure vbat

I'm using ESP32 to read an analog value of a liPo battery (3.7v-4.2v). Since ESP32 DAC's is 3.3v I'm using a voltage divider ( 2x10K resistors ), to split bat's voltage into ESP's GPIO36. So far ...
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Multiple variant.cpp entries for same physical pin

Some variant.cpp files have more than one entry that points to the same physical pin. For example (from Arduino Zero's file): // 14..19 - Analog pins // -------------------- { PORTA, 2, PIO_ANALOG, ...
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Arduino and DAC

this might be more general electronics question, forgive me if this is not the correct place to ask. I am atempting to use the arduino and MCP4725 breakout board to inject 4 different voltages into ...
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MCP4725 I2C address

I want to use four of MCP4725 DAC module at the same time but it only has two I2C addresses which can be set via jumpers: In page 10 of the datasheet it says: Device Address Selection pin. This ...