# ADS1015 ![ADS1015](https://pschatzmann.github.io/arduino-audio-tools/doc/resources/ads1015.jpeg) The ADS1015 is a 12 bit ADC which is connected via I2C. ### Pins: | ADS1015 | ESP32 |---------|--------------- | VDD | 3.3 | GND | GND | SCL | SCL GPIO22 | SDA | SDA GPIO21 | ADDR | GND | ALRT | - | A0 | Analog Source (e.g. Electic Guitar) ## Conclusion The sampling rate is too low to be usefull.