• The Lost Art Of Component Scavenging

    May 02 2020  Same though for a solid 22 years now. I’m 28. Still got boxes and boxes full of PCB’s old test equipment medical gear PPE gas detectors a tub full of one time use temp loggers Arm7

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    Jan 17 2022  The Cranberry tube amplifier can be used with pentode or beam power vacuum tubes like 6L6GC EL34 KT77 KT88 and KT120. The amplifier circuit is biased into Class A ultra linear operation and output power will be dependent on the tubes utilized. The input stage is a SRPP design and can be used with 6/12SN7 or higher gain 6/12SL7 preamp tubes.

  • What Are The Parts Of A Circuit Board A Detailed Discussion

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    Load Unit Heater 10 KW 230V 3 phase find I wire size circuit breaker size Conduit Size I = 10 KW = 25.1 Amp .23 KV √3 Wire Size 25.1A = 31.3 Amp .8 NEC 310 16 Use #8 good for 45 amp 3 #8 1 #8 ground in 1 RGC Table 3A Circuit Breaker = 25.1A = 31.3 Amp so use 35A .8 Conduit Size if different size wires are used

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    Apr 26 2017  You can also mlcc recycling tutorial. Tips and Tricks Some ram boards have also gold plated holes. You can recover gold from them using gold finger recycling or cyanide process. If you want to work fast. Cut gold fingers first and dip ram boards in HCl hydrochloric acid and leave it four hours. All ic chips will separate from boards.

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    Mar 23 2022  Machine Shop Talk. In this series Ian Sandusky of Lakewood Machine reviews common machine shop challenges. Whether you are a machinist or shop floor manager Ian has the advice to help you tackle your day to day tasks. View Series

  • DS18B20 1 Wire calibration with Arduino Finally nailed it

    Mar 05 2016  DS18B20 1 Wire calibration with Arduino Finally nailed it The Thermapen tip fits reasonably well into a 9/64″ hole and that size also makes a good pilot hole for the 1/4 inch DS18 wells. The travel on my little bench top drill press is only two inches but that turned out to be the perfect depth. The whole job took about 4 hours with less

  • How to Remove Gold from Circuit Boards 12 Steps with

    Jun 29 2021  Since gold requires stronger chemicals to be dissolved the nitric acid will melt all the plastic and metal parts of the circuit board without harming the gold bits. Drain the nitric acid from the mixture. Use a filter to separate the solid parts

  • How to Use a Washing Machine Motor 6 Steps

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  • Single Phase vs 3 Phase Power Explained

    Single Phase vs 3 Phase. To quickly summarise single phase power has just one live wire while 3 phase power uses three active wires. Both supplies will also have a neutral wire and in almost all cases an earth wire as well. With three live wires 3 phase power supplies a more constant and reliable current which is able to cope with the

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    Analog Engineer s Circuit Cookbook Op Amps

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  • 40 Best Free Circuit Design Software For Windows

    BSch3V is an open source circuit design software for Windows. It is a simple freeware with easy to use UI. Open a new document to build a circuit. Click on the Component icon to access the list of components. The library lets you choose from Logic Discrete Digital Consw and Analog components. Select a component and click on OK to place it on the circuit board.