What have those wacky Germans been up to? Dave reviews the German made Gossen Metrawatt XTRA Multimeter. Also known as the Dranetz BMI Drantech XTRA
In Australia you can Gossen meters at Zedflo HERE
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The TOP 5 Jellybean 7440 and 4000 series logic chips. Forum: https://www.eevblog.com/forum/blog/eevblog-1611-top-5-jellybean-7400-4000-logic/ Schmitt Trigger video: …