The HP9845B 16 bit computer was revolutionary in 1979 and the early 1980’s, find out why. The 9845C colour version of this created the amazing war room images for the movie War Games Forum: https://www.eevblog.com/forum/blog/eevblog-1404-the-amazing-hp-9845b-computer/

Teardown of the new NGA100 100V 2A NGA142/NGA102 Lab Power Supply, and a look at a few issues found. PLUS a GIVEAWAY of two units! https://www.rohde-schwarz.com/hk/products/test-and-measurement/dc-power-supplies/rs-nga100-power-supply-series_63493-959872.html Forum: https://www.eevblog.com/forum/blog/eevblog-1402-rohde-schwarz-nga100-psu-teardown-giveaway/ Forum GIVEAWAY: https://www.eevblog.com/forum/contests/giveaway-rohde-schwarz-nga102-psu/ Schools/Makerspace GIVEAWAY: https://www.eevblog.com/forum/contests/schools-makerspace-giveaway-rohde-schwarz-nga142-psu/

Dave closes out the basic DC circuit series with DC Power, Efficiency, & Maximum Power Transfer Theory tutorial. Includes Ohm’s law refresher. DC Fundamentals Forum: https://www.eevblog.com/forum/blog/eevblog-1401-dc-power-efficiency-maximum-power-transfer-theory/ Playlist: https://www.youtube.com/playlist?list=PLvOlSehNtuHtVLq2MDPIz82BWMIZcuwhK

Dave takes a closer look the micro actuator used in the 6TB Western Digital RED hard drive. Forum: https://www.eevblog.com/forum/blog/eevblog-1400-hard-drive-micro-actuators-are-amazing!/

Dave’s Western Digital RED 6TB WD60EFRX NAS hard drive failed. Bugger the warranty, teardown time! Also, SMR vs CMR recording. Forum: https://www.eevblog.com/forum/blog/eevblog-1398-western-digital-red-6tb-hard-drive-teardown/

Repair success on the Onkyo TX-SR607 surround sound receiver. Forum: https://www.eevblog.com/forum/blog/eevblog-1395-onkyo-repair-success/

An interesting dive down the repair rabbit hole on an Onkyo TX-SR607 surround sound receiver amplifier with a failed vacuum fluorescent display. Forum: https://www.eevblog.com/forum/blog/eevblog-1394-onkyo-receiver-repair-part-1/

Dave takes a look at his favourite form factor multimeter of all time, the Fluke 37 from 1985 Forum: https://www.eevblog.com/forum/blog/eevblog-1393-retro-fluke-37-multimeter-review-teardown/

Think your multimeter doesn’t have inbuilt temperature measurement? Think again! Dave shows you a trick to measure ambient temperature with your multimeter without a temperature probe. Forum: https://www.eevblog.com/forum/blog/eevblog-1392-no-temp-probe-no-problem!/ Followup video testing in the fridge: https://www.youtube.com/watch?v=48J0m3dvpgA

More mailbag! Forum: https://www.eevblog.com/forum/blog/eevblog-1391-mailbag/ https://odysee.com/@eevblog:7/TooSpicyForYoutube:4 SPOILERS: 00:00 – Panasonic S-VHS DP200 camcorder 08:23 – Home lab: Andrew Tayman 12:25 – Casio G-SHOCK Mudmaster watch teardown 24:44 – Modul Bus LCR substitution box and RT100 valve prototyping breadboard KainkaLabs Youtube channel 32:16 – eDesign Miniware MHP30 Mini BGA pre-heater 40:16 – The Snapistor! 46:53 – EPM3081 ...