https://stream.echo6.co/videos/watch/2460be08-9e72-47be-bc5c-f825012a1fe4 More mailbag! 00:00 - A really really nice DIY Constant Current Load 07:55 - Whatever happened to sloped folded metal instrument cases? 08:46 - The amazing Stamp Breadboard Replacement prototype boards https://www.kickstarter.com/projects/sciotronics/stamp-modular-breakout-boards-for-easy-prototyping 13:35 - A look at the Stamp documentation 21:14 - Ian Scott Johnston's Multimeter Continuity Speed Tester! https://www.youtube.com/@UCtiK8QrcCrsjDXpKzB1PO1A https://www.ianjohnston.com/ Forum: https://www.eevblog.com/forum/blog/eevblog-1681-mailbag-nice-diy-cc-load-amazing-proto-boards-ian-johnston/ Web Site: http://www.eevblog.com Hardware Store: https://eevblog.store/ Merch Store: https://eevblog.dashery.com/ If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblog Or with crypto: BTC: 33BsprBQNBtHuVzVwDmqWkpDjYnCouwASM ETH: 0x68114e40ff4dcdd384750500501e20acf3875f8c BCH: 35n9KBPw9T7M3NGzpS3t4nUYEf9HbRmkm4 USDC: 0x68114e40ff4dcdd384750500501e20acf3875f8c LTC: MJfK57ujxy55su4XicVGQc9wcEJf6mAoXF Other channels: EEVblog2: http://www.youtube.com/EEVblog2 EEVdiscover: https://www.youtube.com/eevdiscover #ElectronicsCreators #mailbag Mon, 13 Apr 2026 23:03:16 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/2460be08-9e72-47be-bc5c-f825012a1fe4 All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.