[2766] Null Testing Op Amps

Date: April 19th, 2021 | Comments : none | Categories: DIY.

If you are interested in reading about the process of conducting the op amp comparisons that I wrote about recently, I have posted a brief article describing the test circuit and what I plan as the next step.

Op Amp Null Tester

 

[2733] International Mail Is Back

Date: April 1st, 2021 | Comments : [1] | Categories: DIY.

International First Class Mail has been reinstated by the USPS. I can ship international orders again at a rate close to the previous charge. is mostly dead. I can still send a Priority Envelope for $40 to $41 depending on the destination, but First Class mail of merchandise is no longer accepted for international shipping. I cannot even make a customs form for it using the USPS web site.

Sales to US addresses remains much the same with only a small postage increase. International ordering is open.

 


 

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