At RECON2023 I gave a talk about reverse engineering my Samsung Oven. This blog post has slides & links to information, with more to come! You can get a copy of the slides below:
Oven-Specific Stuff: https://github.com/colinoflynn/samsung-ovens-deconstructed
Python Loader for TMP91 Series: https://github.com/colinoflynn/pytoshload
Resource CD for TLCS900: https://github.com/colinoflynn/Toshiba-TLCS-900-L-Resources