@VoltLog

http://t.co/DrA7B9MU8F

 Constanta, Romania
voltlog.com
Joined March 2008
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Should you cut a hole in the ground plane under the pads of a USB-C or HDMI connector? Some engineers swear by it, others say never. I simulated it 327 times to settle it. Answer: yes, when the pad is wider than the trace. And make the hole exactly the size of the pads. 馃У1/12
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VoltLog retweeted
Dave Jones
@eevblogOct 8
New 3rd party firmware for Rigol DHO800/900 scopes looks impressive. aioscilloscope.com/

NovaOS: firmware for oscilloscopes and test equipment

One replacement firmware for scopes and test gear of any make. On the Rigol DHO800/900 and MHO900: the scope screen about 14 s after power-on, 2.5x the waveform rate, stock still installed.

aioscilloscope.com
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Just unboxed these @NordicTweets nRF9151 dev boards. I'm taking them on a test drive with NTN IoT! Super convenient that Nordic provides both the SMA & onboard antenna versions and the included global SIM cards make setup a breeze. Thanks Nordic! #NTN #nRF9151
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The BSOD of modern times..
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These 2 pair only ethernet patch cables belong in the same place as power only USB-C cables 馃が
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Never forget to say thank you! one day, it might count.
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It always happens when you need your parts fast! @MouserElec 馃ゲ
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Fresh out of the factory, releasing soon to the general public. New thermal camera review coming soon.
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I forgot to mention this is a Thermal Master Thor 002. Screen is 640x480px 60Hz IPS, features SuperResolution IR 512脳384px voltlog.com/y/87spj
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It also has a built-in cover for the thermal sensor lens.
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This thing is physically larger than any thermal camera I reviewed before. The increase in display size and resolution as well as sensor resolution is very noticeable over previous models.
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I guess this is the world we live in now. Distributors like @digikey have already introduced a new filtering option "Tariffed Products"
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It's not what you think 馃ジ
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Seems legit, free shipping too! What a great deal!
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Are your PCB orders in production before the Chinese New Year hits? And do you think they will ship before everything halts? 馃
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In case you missed my latest video it was a MEGA MAILBAG! Check it out! youtu.be/qF8w0BjwkBk

Mega Mailbag: Gadgets & Gear (Christmas Special!) | Voltlog #496

Welcome to another InTheMail, in this video, I share a ton of inter...

youtube.com
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Hey @Synology thanks for the gift! Merry Christmas! 馃巹馃巺
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I like this little guy! #wera
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Something is causing my coffee scale to drain the battery in a few days instead of the normal battery life which is months. Luckily I have the best tool for this kind of debug @joulescope JS220.
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I have already identified D1 reverse polarity protection diode at the input causing trouble. After removing it sleep current dropped from 5mA to 1.9mA. Good but not good enough, there is still something else on here causing trouble.
I have already found that reverse polarity protection diode at the top D1 marked M4 which after removal reduced the sleep current from 5mA to 1.9mA which is an improvement but not good enough. That diode was leaking though..

ALT I have already found that reverse polarity protection diode at the top D1 marked M4 which after removal reduced the sleep current from 5mA to 1.9mA which is an improvement but not good enough. That diode was leaking though..

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And Bingo! As suggested in the comments the culprit was the MLCC on the LDO. Removing the LDO didn't show any improvement but when I removed the caps (2x 10uF) it immediately dropped to just 11-12uA. One of the MLCC caps shows an ESR of 1Ohm. @joulescope used for measurements.
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