“Beware, this has a very high pitched coil whine, also note, if you find the spec sheet online, the simplified diagram showing the in-out positions is actually flipped, imagine the positions as if the chip were upside now.
It works but won't get another.”
“Does what it says on the tin. Using a old 12v laptop supply to drive an A4988 stepper motor driver and this to step the voltage down to 5c to drive a ESP32 module giving a single PSU to power both.
Dead easy to solder up and rock solid 5v output”
