The Engineer Post

The main CODE is here:  /**  * Pi Pico PIO driving a 4-digit seven segment display example.  *  * Copyright (C) 2021, Uri Shaked  */ #include " segment.pio.h " uint8_t digits[] = {   0b11000000 , // 0   0b11111001 , // 1   0b10100100 , // 2   0b10110000 , // 3   0b10011001 , // 4   0b10010010 , // 5   0b10000010 , // 6   0b11111000 , // 7   0b10000000 , // 8   0b10011000 , // 9 }; const uint8_t first_segment_pin = 2 ; const uint8_t first_digit_pin = 10 ; void setup () {   Serial1. begin ( 115200 );   Serial1. println ( "Raspberry Pi Pico PIO 7-Segment Example" );   // Load the PIO program and initialize the machine   auto offset = pio_add_program(pio0, &segment_program);   segment_program_init(pio0, 0 , offset, first_segment_pin, first_digit_pin); } void displayNumber(uint value) {   pio_sm_put(pio0, 0 ,     digits[value / 1000 % 10 ] << 24 |     digits[value / 100 % 10 ] << 16 |     digits[value / 10 % 10 ] << 8 |     digits[val