Here is a new driver for the ADS1256 24 bit low noise ADC, both as a generic MicroPythjon version and a version using the RP2040/RP2350 PIO. The latter supports sampling rates up to 30_000 samples/sec. Tested with
RP2040, RP2350, SAMD, i.MX RT, STM32, ESP32, ESP8266, NRF52840, and W600.
Link: https://github.com/robert-hh/ADS1256