Monthly Archives: May 2018

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4qd tec electronics circuits reference archive index wel e to 4qd tec the electronics club a resource with educational information about electronic circuits glossary of electrical terms wel e to young & pany baker board a insulated platform used to work above the ground on a pole balanced load refers to an equal loading on […]
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playing melo s on piezo buzzer using arduino tone function in this tutorial we will learn how simple and easy it is to play melody on piezo buzzer or speaker using the arduino tone function electronic mosquito repeller electronic circuits and description here is the circuit diagram of an ultrasonic mosquito repeller the circuit is […]
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thyristor tester circuit diagram learning electronics thyristor tester the circuit in the diagram is a very handy tool for rapidly checking all kinds of thyristor scr triac … in case of a triac all four quadrants thyristor a thyristor is a solid state semiconductor device with four layers of alternating p and n type materials […]
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lm723 voltage regulator circuit diagram in this tutorial we are going to build a voltage regulator circuit using lm723 ic here by giving 9v input power supply we will be able to adjust the regulated ic voltage regulators with circuit diagram design & theory ic voltage regulators circuit diagram & block diagram of linear fixed […]
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high reverse isolation s12 30db at low frequency they high reverse isolation s12 30db at low frequency they are unconditional stable with any source or load impedances whose reflection magnitude is less than 1 low noise amplifiers new jrc has been selling and manufacturing mainly standard linear ics silicon ics which are used wideiy in […]
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potentiometer a potentiometer is a three terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider if only two terminals are used one end and touch switch circuit diagram using ne 555 ic this is the circuit diagram of a small touch plate controller using ic ne 555 this circuit is […]
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electric motorcycle conversions 48 v electric motor electric motorcycle conversions "electric motorcycle conversions are here today " d&d motor systems the premier electric motorcycle motor manufacturer in the u s brushless motor controller e bike conversion kit 48v 1000w electric bicycle brushless motor controller for e bike & scooter 12 mosfet working with lcd display […]
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viewhd hdmi 1×4 splitter with ir extender function buy viewhd hdmi 1×4 splitter with ir extender function support 1080p & 3d server environment monitoring system remote network sensor nti s enviromux sems 16 server environment monitoring system monitors critical environmental conditions such as temperature humidity water motion intrusion and 3 ghz hdmi 2 2 crosspoint […]
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automatic led emergency light circuit diagram using ldr automatic emergency light circuit principle when power supply is available battery charges through the diode d2 at the same time white led’s will glow based on automatic led emergency light circuit electronic a low cost led emergency light circuit schematic and diagram based on white led which […]