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led test circuit – Circuit Schematic
led test circuit
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simple linear mosfet dimming circuit pwm – Circuit Schematic
simple linear mosfet dimming circuit pwm
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looking red laser diode circuit – Circuit Schematic
looking red laser diode circuit
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mains voltage monitor – Circuit Schematic
mains voltage monitor
Many electronics hobbyists will have experienced the following: you try to finish a project late at night, and the mains supply fails. Whether that is caused by...
led discharge circuit – Circuit Schematic
led discharge circuit
It`s enough to explore PWM and digital-to-analog conversion, and it illustrates how you can create your very own electronics workbench to explore RC filters ,...
LED As Photodiode – Circuit Schematic
LED As Photodiode
In the project LED Touch Sensing by Jeff Han, I saw a magic happen on a LED matrix. That LED matrix not only lighted but also sensed the touch of fingers. At fi...
simple automatic street light system – Circuit Schematic
simple automatic street light system
The left hand side transistor T1 is rigged as a voltage comparator using a resistive network. The resistor at the upper arm is the LDR and the lower arm resisto...
arduino dioder – Circuit Schematic
arduino dioder
A few weeks ago, it came to my attention that IKEA do a set of colour-changeable LED strips. I ve been looking for a decent way of providing .....
switch with relay schematic – Circuit Schematic
switch with relay schematic
Light Switch With Relay is a series of electronic switches that are controlled by a series of light received. Light Switch With Relay circuit can be used to con...
a dual alternating flashing light – Circuit Schematic
a dual alternating flashing light
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midnight security light circuit – Circuit Schematic
midnight security light circuit
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fully automatic emergency light – Circuit Schematic
fully automatic emergency light
The charging circuit stops automatically when the battery is fully charged. So you can leave the emergency light connected to AC mains overnight without any fea...
how to build bicycle back safety light – Circuit Schematic
how to build bicycle back safety light
This circuit has been designed to provide a clearly visible light, formed by 13 high efficiency flashing LEDs arranged in a pseudo-rotating order. Due to low vo...
lamp flasher circuit with mosfet irf511 – Circuit Schematic
lamp flasher circuit with mosfet irf511
C1 and C2 with a speed controller works by receiving the voltage at the gate of the MOSFET when the voltage on C turn ON the other would be to drive MOSFET oper...
yard light – Circuit Schematic
yard light
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neon lamp dimmer – Circuit Schematic
neon lamp dimmer
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led audio vu meter – Circuit Schematic
led audio vu meter
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lamp flasherdimmer – Circuit Schematic
lamp flasherdimmer
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brain wave machine – Circuit Schematic
brain wave machine
With simplicity being the goal, brain-wave goggles can be constructed from suitable eyewear, such as safety glasses, and an array of LED`s (Light Emitting Diode...
a dual alternating flashing light circuit – Circuit Schematic
a dual alternating flashing light circuit
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