Adam Sampson's psu bookmarkshttps://bookmarks.offog.org/ats/psuAdam Sampson2015-11-15T17:24:15ZThe Life of Kenneth: 555 Constant Current Lead-Acid Battery Chargerhttps://bookmarks.offog.org/edit?url=http%3A%2F%2Fblog.thelifeofkenneth.com%2F2013%2F01%2F555-constant-current-lead-acid-battery.html2015-11-15T17:24:15ZTo implement the state machine of a lead-acid battery charger, you need a couple of comparators and a flip-flop. Which is what's in a 555! Neat design.Anachrocomputer's Blog: Fixing Tek 5000 Scopeshttps://bookmarks.offog.org/edit?url=http%3A%2F%2Fanachrocomputer.blogspot.co.uk%2F2013%2F04%2Ffixing-tek-5000-scopes.html2015-01-17T15:36:57ZHe has the same Tek scope that I do -- and it sounds like the same power supply fault. Time to order some new capacitors...Flashlight informationhttps://bookmarks.offog.org/edit?url=http%3A%2F%2Flygte-info.dk%2F2014-12-20T16:07:06ZAnd batteries and chargers and LED drivers and and and. Very comprehensive, and the author's consistent in how different items are reviewed, so it's a good basis for comparison.Ray Carlsen's Home Pagehttps://bookmarks.offog.org/edit?url=http%3A%2F%2Fpersonalpages.tds.net%2F%7Ercarlsen%2Fcbm.html2014-08-05T22:08:22ZRepair guides for all the Commodore 8-bit machines and many of the peripherals (disk drives, monitors).Valves And Transformers (Contents)https://bookmarks.offog.org/edit?url=http%3A%2F%2Flivinginthepast-audioweb.co.uk%2F2012-06-18T15:13:51ZA decent selection of transformers for valve circuits. Including very large power transformers...2,4V-StepUp-PowerLed-Treiber - LED Schaltungen, Treiber und µC - LedStyles.dehttps://bookmarks.offog.org/edit?url=http%3A%2F%2Fwww.ledstyles.de%2Ffpost184856.html2012-04-18T13:41:52Z7555-based circuit to run a string of high-power LEDs from a couple of AA cells. Very neat!Amateur Radio at W5JGVhttps://bookmarks.offog.org/edit?url=http%3A%2F%2Fw5jgv.com%2Famateur_radio.htm2012-03-30T11:49:53ZBuilding Very Large Power Supplies, and other radio restoration stuff.Simple High-Power LED Regulatorhttps://bookmarks.offog.org/edit?url=http%3A%2F%2Fsound.westhost.com%2Fappnotes%2Fan003.htm2012-03-23T17:31:01ZI probably have all these bits in my junk collection.Reducing Power Supply Ripple and Noisehttps://bookmarks.offog.org/edit?url=http%3A%2F%2Fpstca.com%2Fspice%2Fripple%2Fripple.htm2011-11-23T17:29:27Z(No notes.)Power Electronics and Photovoltaic Power Systems Laboratoryhttps://bookmarks.offog.org/edit?url=http%3A%2F%2Fecee.colorado.edu%2F%7Eecen4517%2Fnotes.html2011-02-27T21:00:32ZColorado's power electronics module. I found this while hunting for a better description of the IP3525AN switch-mode PSU chip than the datasheet provides (i.e. any description at all of how to actually use the thing).Homo Ludenshttps://bookmarks.offog.org/edit?url=http%3A%2F%2Fludens.cl%2F2010-01-18T21:15:15ZDon't miss: the impressively detailed articles on power supply and inverter construction, the model Wankel engine, and how to build your own house.