All posts by smiggy

EEVblog #1022 – How To Find A $50 Oscilloscope On Ebay – REDUX

Another look at finding a $50 analog oscilloscope on ebay.
Original video from 4 years ago:
https://www.youtube.com/watch?v=lZfbo-2sd1A
Forum: https://www.eevblog.com/forum/blog/eevblog-1022-finding-a-$50-oscilloscope-on-ebay/

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More Rohde and Schwarz Scope Winners!

Rohde and Schwarz kindly decided to give away another 3 oscilloscopes!
An RTB2000 and two HMO Series scopes.
https://www.rohde-schwarz.com/au/product/rtb2000-productstartpage_63493-266306.html
https://www.rohde-schwarz.com/us/product/hmo-productstartpage_63493-42343.html

EEVblog Main Web Site: http://www.eevblog.com
The 2nd EEVblog Channel: http://www.youtube.com/EEVblog2

Support the EEVblog through Patreon!
http://www.patreon.com/eevblog

Donate With Bitcoin & Other Crypto Currencies!
<a Continue reading More Rohde and Schwarz Scope Winners!

EEVblog #1021 – Retro Radio Shack TRS-80 Color Computer

Dave tears down and takes a look at the classic 1980 Tandy / Radio Shack TRS-80 Colour Computer.
Includes hacking a composite video output circuit to get it working on a modern HDMI computer monitor.

Service Manual With Schematics:
http://www.colorcomputerarchive.com/coco/Documents/Manuals/Hardware/Color%20Computer%20Technical%20Reference%20Manual%20(Tandy).pdf

Forum: http://www.eevblog.com/forum/blog/eevblog-1021-retro-radio-shack-trs-80-color-computer/

Manuals: http://www.colorcomputerarchive.com/coco/Documents/Manuals/Hardware/

EEVblog Main Web Continue reading EEVblog #1021 – Retro Radio Shack TRS-80 Color Computer

Arcade Repair Tips – Live Show – Episode 7

Welcome to the Arcade Repair Tips Live Show! In this episode, Tim Peterson and Jonathan Leung will discuss arcade repair, restoration, news, and more! For more information, please visit our website at www.arcaderepairtips.com and watch for more episodes coming soon! Thanks for watching!

As many of you know, we are located Continue reading Arcade Repair Tips – Live Show – Episode 7

EEVblog #1020 – Is A $7 LCR / Component Tester Any Good?

Is a $7 LCR Meter / Component Tester from Ebay any good?
Dave tests the M328 (LCR-T4) model component tester.

HUGE Forum Thread:
https://www.eevblog.com/forum/testgear/$20-lcr-esr-transistor-checker-project/

Forum summary videos here: https://www.youtube.com/watch?v=on1ZrWNt2Us

This group seems to maintain a version of the firmware:
https://www.mikrocontroller.net/articles/AVR_Transistortester

EEVblog Main Web Site: http://www.eevblog.com
The Continue reading EEVblog #1020 – Is A $7 LCR / Component Tester Any Good?

EEVblog #1019 – Mailbag

Dave gets IoT angry in this Mailbag
Forum: http://www.eevblog.com/forum/blog/eevblog-1019-mailbag-94564/

SPOILERS:
Bolt IoT challenge Dave to get an Internet Of Things App working in 5 minutes. Will he do it or will he lose his collective…
https://www.boltiot.com/

Arduino based DIN rail PLC controller, the Controllino:
https://controllino.biz/

Total Solar Eclipse Continue reading EEVblog #1019 – Mailbag