The search for typically refers to a specific version of third-party software used for chip programming, most commonly paired with the popular CH341A USB programmer . Overview of NeoProgrammer

You're looking to enhance the Neo Programmer 21019, a popular device for serial programming and debugging. Here are some potentially useful features that could make it even better:

. Using the standard 3.3V/5V output of a basic CH341A can damage them; always use a 1.8V adapter when necessary. Read Before Write