Update README.md

README.md

@@ -30,16 +30,16 @@ The PicoADK can be ordered at [Schneidersladen](https://schneidersladen.de/de/da
 * USB Type-C connector
 * 2MB Flash for Firmware and Data
 * Very low noise LDO regulators (separate LDO for digital circuits and separate for analog circuits), no switching regulators
-* Partially pin-compatible with RP2040 (besides a few pins internally used or rearranged), extra 4 pins on each side
-* Audio DAC PCM5100A, up to 32-bit output
-* Very high audio signal quality and very low noise
+* Partially pin-compatible with RP2040 (besides a few pins internally used or rearranged), extra 4 pins on each side for SPI ADC
+* Audio DAC PCM5100A, up to 32-bit high-quality output
 * Dedicated Boot and Reset Buttons
 * 8 channel 12-bit ADC with up to 1MS/s, with selectable 3.3V range (on-board low-noise power supply) or range up to 5V via external VREF
-* Low-Pass filter on each ADC input (fMax=48 KHz) at low-impedance (100 Ohm). With 5V VREF suitable for CV (no overvoltage protection, unipolar)
+* Low-Pass filter on each ADC input With 5V VREF suitable for CV (no overvoltage protection, unipolar)
 * Symbols marking special pin functions on the pin headers
 * 4 LEDs on shared GPIO2-5 for debugging
 * ESD Protection on USB
 * SWD Debug Port
+* JST 1.0mm 4 Pin (QWIIC compatible) I2C Connector
 
 # Software / Firmware