ADS1015 +/-24V ADC Breakout Board Kit Pimoroni ADS1015 +/-24V ADC Breakout Board Kit features the ADS1015 ADC with three channels that can read voltages from -24V to +24V at sampling rates up to 3.3KHz with 12-bit resolution. The Breakout Board Kit is Raspberry Pi and Arduino-compatible, making it ideal for measuring DC voltages quickly and precisely over a wide range of voltage.