WordPress: Exclude posts based on ACF true/false field

query.php

$query_args = [
    'post_type' => ['dt_project'],
    'posts_per_page' => -1,
    'orderby' => 'menu_order',
    'order' => 'ASC',
    'meta_query' => [
        'relation' => 'OR',
        [
            'key' => 'exclude_project',
            'compare' => 'NOT EXISTS',
        ],
        [
            'key' => 'exclude_project',
            'value' => '1',
            'compare' => '!=',
        ],
    ],    
];