(PDF) Cosmetic Dermatology - Products and Procedures 2nd Edition by Zoe Diana Draelos

Started by hester holt in sci.electronics.design2 days ago

This is the PDF eBook version for Cosmetic Dermatology - Products and Procedures 2nd Edition by Zoe Diana Draelos (Download link for cheap...

This is the PDF eBook version for Cosmetic Dermatology - Products and Procedures 2nd Edition by Zoe Diana Draelos (Download link for cheap price) https://booksca.ca/library/pdf-cosmetic-dermatology-products-and-procedures-2nd-edition-by-zoe-d iana-draelos/


Inverters vs wallwarts

Started by bob prohaska in sci.electronics.design2 days ago 55 replies

I'm setting up a UPS for my computer/comms equipment using an inverter/charger and battery from Amazon. The equipment draw is only about 40...

I'm setting up a UPS for my computer/comms equipment using an inverter/charger and battery from Amazon. The equipment draw is only about 40 watts measured with a Kill-A-Watt, but all the associated wallwarts use capacitive-input switching power supplies. That means they only draw current at line peaks. My seat-of-the-pants guess is that the duty cycle is around 10%, meaning that the aver...


Medal of Honor Winner Dies. (Electronics Mentioned)

Started by Dean Hoffman in sci.electronics.design2 days ago

Marilyn Manson unread, 2:38 PM (1 hour ago)    to On Thursday, June 30, 2022 at 2:13:48 PM UTC-4, dean...@gmail.com...

Marilyn Manson unread, 2:38 PM (1 hour ago)    to On Thursday, June 30, 2022 at 2:13:48 PM UTC-4, dean...@gmail.com wrote: > The last one from WWII took his last breaths. > Wait for it...the negative/sarcastic political comments will begin in 1...2.


Haasoscope

Started by Clive Arthur in sci.electronics.design2 days ago 17 replies

Anyone used one of these?... https://www.crowdsupply.com/andy-haas/haasoscope It's plenty fast enough for my current project and I need four...

Anyone used one of these?... https://www.crowdsupply.com/andy-haas/haasoscope It's plenty fast enough for my current project and I need four channels. It would allow me to share live screens with my client on Skype - my main scope can't do that, and I'm too mean to spend a lot. -- Cheers Clive


Tonghui TH2822C Handheld LCR Meter Price Drop

Started by Mike Monett in sci.electronics.design2 days ago 7 replies

The Tonghui TH2822C has had a significant price drop. It used to be C$436.17 and is now C$170.10, a drop of -61%. Shipping is C$40.94 plus duty...

The Tonghui TH2822C has had a significant price drop. It used to be C$436.17 and is now C$170.10, a drop of -61%. Shipping is C$40.94 plus duty via DHL. Be advised you will need a cellphone to deal with DHL. This is one of the most powerful handheld LCR bridges on the market with an accuracy of 0.25% and covers the range of 100Hz, 120Hz, 1kHz, 10kHz, and 100kHz. This is one of the large...


(PDF) Practical Techniques in Flap Surgery by Yuichi Hirase

Started by hester holt in sci.electronics.design3 days ago 4 replies

This is the PDF eBook version for Practical Techniques in Flap Surgery by Yuichi Hirase (Download link for cheap...

This is the PDF eBook version for Practical Techniques in Flap Surgery by Yuichi Hirase (Download link for cheap price) https://booksca.ca/library/pdf-practical-techniques-in-flap-surgery-by-yuichi-hirase/


OT? Truck Pizza

Started by Dean Hoffman in sci.electronics.design3 days ago 10 replies

We told bad jokes as kids that X job didn't need a rocket scientist. This involved a few. A start up called Stellar Pizza cooks the pizza in...

We told bad jokes as kids that X job didn't need a rocket scientist. This involved a few. A start up called Stellar Pizza cooks the pizza in a truck while it's on the way to the customer's house.


Waveform documentation

Started by Don Y in sci.electronics.design3 days ago 21 replies

I usually build a document that describes the hardware, nominal voltages, waveforms, timing relationships, etc. Plus, captured waveforms under...

I usually build a document that describes the hardware, nominal voltages, waveforms, timing relationships, etc. Plus, captured waveforms under different operating conditions (along with those expected during specific diagnostics) I'm getting some pushback to move these onto the schematics, directly, instead of in a supplementary document. I'm not keen on this as it means schematics have ...


Ford F 150 Recall

Started by Dean Hoffman in sci.electronics.design3 days ago 33 replies

There's a problem with software on some of them that disables the low tire pressure warning light. Cranky old white hairs like me...

There's a problem with software on some of them that disables the low tire pressure warning light. Cranky old white hairs like me wonder what's wrong with a walk around and a tire pressure gauge.


Low Level Gamma Radiation

Started by Mike Monett in sci.electronics.design3 days ago 31 replies

My Radiascan Radiacode finally arrived from Russia. After the sanctions, I was surprised to see it made it. After learning how to operate it,...

My Radiascan Radiacode finally arrived from Russia. After the sanctions, I was surprised to see it made it. After learning how to operate it, I began to be curious about the low level background radiation. This is shown in the photo at https://www.mrmonett.com/RADIACOD.JPG I wonder what the spectrum curve is saying, particularly the rise and quick drop near zero. Scouring google, I ...


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