Testing if Lemmy supports hashtags. #Monday #Test

My brand spanking new Casio F-105. It is only less than a day, but I like it so far. 😘

Last time I wore a digital watch was decades ago.

Here's the electro-luminescent backlight. Can you tell I'm not used to take photo in the dark? 😅

A shortwave radio receiver from scratch using only cheap and easily available components, i.e. standard transistors, op-amps and 74xx logic chips. No typical radio parts – no coils, no variable capacitors, no exotic diodes.

Not my post/video. Link to mastodon.social post which then links to YouTube video.

Poster bought an old firewall hardware:

1. saw unpopulated footprints on the circuit board,
2. analyzed the chips,
3. found the serial comm to access BIOS (blocked by password),
4. dumped the SPI flash memory,
5. obtained supervisor password,
6. accessed the BIOS from serial comm,
7. enabled the video display in BIOS,
8. soldered the HDMI port,
9. soldered the SATA power and data ports and the associated components,
10. connected a SATA SSD,
11. checked that the SSD is being recognized in BIOS,
12. made modifications to firewall circuit board to mechanically secure the SSD, and to face plate to facilitate the HDMI port,
13. installed FreeDOS and used it as a retro gaming PC.

Using Intel CPU JTAG to dump the secret bootrom in Microsoft's original Xbox. Disclaimer: not my blog.

Blog not mine. I'm just sharing.