Category Archives: Miscellaneous

EEVacademy #7 – Designing Combinatorial Digital Logic Circuits

How do you convert a logic truth table into a digital logic circuit?
Dave shows you how with the Sum Of Products method.
Forum: http://www.eevblog.com/forum/blog/eevacademy-7-designing-combinatorial-digital-logic-circuits/

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EEVblog #1031 – $25 DPS3003 PSU Module Characterisation

Characterising the performance and efficiency of the $25 DPS3003 30V 3A lab power supply module from RDtech.
Includes a how-to on measuring DC-DC converter efficiency graphs, with module power loss on the secondary Y axis.

https://www.aliexpress.com/store/product/RD-DPS3003-Constant-Voltage-current-Step-down-Programmable-Power-Supply-module-buck-Voltage-converter-color-LCD/923042_32685187020.html

XL7005 datasheet: http://www.xlsemi.com/datasheet/XL7005A%20datasheet-English.pdf

Previous video on the DPS3003 & other PSU Modules
<a Continue reading EEVblog #1031 – $25 DPS3003 PSU Module Characterisation

EEVblog #1030 – $20 DIY Bench Power Supply!

Dave takes a quick look at the spectacularly cheap $20 DPS series CC/CV modules from RD Tech.
How to make a 30V 3A bench power supply with 1mA resolution constant current limiting and multi function display using a junk bin enclosure and a junked plugpack or old computer power supply.
The DPS3003 Continue reading EEVblog #1030 – $20 DIY Bench Power Supply!

EEVblog #1028 – What’s All This PC/104 Stuff Anyhow?

Forget Arduino & Raspberry Pi being the embedded platform computing standards, PC/104 has reigned supreme for over 25 years and is still THE industrial embedded computing standard.
Dave boots up a 17 year old 80386SX PC-104 board with Disk On Chip flash drive. Well, after a lot of frustration anyway.
And does Continue reading EEVblog #1028 – What’s All This PC/104 Stuff Anyhow?

eevBLAB #37 – Youtube Copyright Trolls

Dave got hit with seven Copyright Content ID claims for background music used in his video, from a company called Adrev a.k.a “Adrev for Rights Holders”

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EEVblog #1027 – Implantable NeuroStimulator Teardown

What’s inside an implantable Medtronics Itrel 3 Neurostimulator designed for Neuropathic pain reduction.
Dave tears into the ultrasonically welded titanium case.

Manual: http://www.neuromodulation.ch/sites/default/files/pictures/itrel3_implant_manual.pdf

Forum: http://www.eevblog.com/forum/blog/eevblog-1027-implantable-neurostimulator-teardown/

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EEVblog #1026 – Mystery Dumpster Diving PC

What’s inside this mystery dumpster dive PC?
Will it work?
Forum: http://www.eevblog.com/forum/blog/eevblog-1026-mystery-dumpster-diving-pc/

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<a href="http://astore.amazon.com/eevblogstore-20" Continue reading EEVblog #1026 – Mystery Dumpster Diving PC

EEVblog #1025 – Minute Physics + Bill Nye Promoting Rayton Solar

A response to Minute Physics’s latest video promoting the Rayton Solar equity crowd funding campaign.
Dave looks at Rayton Solar and it’s investment risk and practical viability and asks the question, should Minute Physics have promoted this? And they roped in Bill Nye too!
Let me know what you think, did Minute Continue reading EEVblog #1025 – Minute Physics + Bill Nye Promoting Rayton Solar