Although usage of the Digicool Things EPROM Programmer Adapter has been covered in other posts, and the reading of a Mask ROM and programming of an EPROM is also visually demonstrated in a YouTube video, I thought I’d add a post with a detailed written guide of the steps for successfully programming your EPROM.
You can find the post here: Usage Guide for TL866 Programmer Adapter for 27C400/800/160/322