My resources are not infinite. Your sponsorship is important, i want to make a whole product line of hardware and software for the stepper-ninja project (analog breakout-board also), with Industrial style IO (optical isolated). The main goal is to make a LinuxCNC controller below 150$ using raspberry PI (zero2w, pi3, pi4, pi5) with digital or analog breakout board and 7' display (different for zero and normal PI), with custom industrial looking GUI, with good performance and fast boot, maybe a custom board using cm5. With sponsoring, you get access to the Breakout-Board production files for private use (private repo).