Quick Update: Thur 18-Aug-2022
Sorry I've not posted any updates to any of my in-progress series.
I've gotten a bit stuck with the ZX81/TS1000 modulator replacement - normally I just stick in a simple emitter-follower but I thought I'd try one of these fancy replacement boards ... built three and none work. So, perhaps an issue with the TS1000 itself ... I hadn't planned on a troubleshooting video.
My EPROM programmer keeps crashing my Win10 laptop ... so I've not been able to burn a new EPROM to finish my Amstrad CPC464 upgrade.
Waiting on NOS Russian DRAM for the Moldovan BYTE computer.
Need to finish off the SRAM board for my Grundy NewBrain (no idea if it'll work).
I'm planning to build a DRAM-Arduino as a simple DRAM tester, and also have a go at transferring video from Hi8 Digital tape directly to DVD using a Sony VRD-MC6 DVD recorder ... once I find my Sony FW-to-FW cable ...