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Showing posts from February, 2017

Identify Electronic Components (Quick Reference)

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There are many versions of the symbol for each component in electronics. Below I’ve listed the ones I’m using the most. Battery Resistor Capacitor (Polarized) Capacitor (Non-Polarized) Light-Emitting Diode (LED) Transistor Integrated Circuit The symbol for intergrated circuits (IC) come in different forms. An IC that has a common function like a logic gate or an op-amp, usually is shown as the symbol for that function (like the schmitt-triggered inverter below). An IC that does not have a symbol for it’s function is usually shown as a box with pins and pin names (like the 555 timer below).

Biogas moves up

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  HOME         REGULAR        COLUMNS        POLL        PHOTOS        ARCHIVE        VACANCIES       BLOGS JUNE 5, ENVIRONMENT DAY Biogas moves up  A quiet revolution in rural Nepal has made this country a world leader in alternative energy  FOO CHEE CHANG in LANGTANG FROM ISSUE #505 (04 JUNE 2010 - 10 JUNE 2010) |  TABLE OF CONTENTS   SUBSCRIBE NT     PRINT    REFER     WRITE TO EDITOR Share 9 FIRE AND ICE: To make biogas work in cold climates, this plant in Kyangjin Gompa in Langtang uses a compost heap to insulate the underground digester so the yak dung can be converted into cooking gas. Away from the political turmoil in the capital, a quiet revolution in rural Nepal has made this country a world ...

HOME MADE SUBWOOFER

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home made amplifier

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