This is Easy Lamp FlasherSimple lamp flasher, I usesNAND Gates IC 4011. Circuit is anastable multivibratorgenerating at 50% duty-cycle square wave abou...
As shown in the circuit, it uses a PTC thermistor as a control element, so that the circuit is very simple. SB1 and SB2 are lights button respectively ...
Here the 220V AC lamp touch dimmer circuit. By only touching this touch dimmer you are able to increase the light intensity of incandescent lamps in th...
A simple solid-state relay circuit drives the 10-Vac telephone indicator lamps from logic circuitry, while maintaining complete isolation between the 1...
The color lamps controllingcircuit shown in the chart hasthirty outputs, whichcan control thirty lamps todo falling water sports by the external driver...
The 6v,0.6w alarm flashing lamp circuit(see as figure 26.4) The alarm lamps in traffic have different powers, whose working voltage can be provided by ...
Infrared ray emitter circuit:Infrared ray receiving controller circuit:...
A clamp-on `current probe` such as the Tektronix P6021 is a useful means of displaying current waveforms on an oscilloscope. Unfortunately, the low-fre...
Ordinary 1-A bridge is used with H74C1 optoisolatorto pass full current to 25-W lamp when logic inρut goes low (to around,so full 5 V is applied to li...
Shenyang JinBei SY6480 light bus headlamp, turning and danger singal light, instrument, indicator light, dome lightcircuit diagram....
As shown in the figure, it is a mood changes control circuit with artificial touching. It consists of touching control circuit, color lamp control, voc...
The telephone desk lamp is as shown in the figure, when the telephone rings or off-hook at night, the light will turns on automaticly, after you hang u...
Installing operating light on the mains jack makes it convenient to watch icebox's starting and stoping, and can add the beauty to the mains jack to.Th...
In the figure is the clamping amplifier circuit, which is convenient to connect with other circuits. In the distribution of broadcast or all kinds of a...
The fluorescent lamp electronic ballast circuit is composed of the rectifier filter circuit, high-frequency oscillator circuit and output circuit, and ...
Especially designed for Christmas tree lamps Replaces old thermally-activated switches Circuit diagram Parts: R1 100K 1/4W ResistorR2,R5 1K 1/4W Resist...
This article describes a 12 Volt Lamp Dimmer (2N3055). The content is very simple, very practical. The components of the article can help you understan...
Relation between color lamp and control level is as below:...
Figure:The trunk lamp and tool case wiring circuit of Santana 2000(gasoline injection engine)81-driving cab lamp; 81a-room lamp switch; 93-trunk lamp; ...
Description. H ere is a simple and effective circuit for driving florescent lamps from a 12 V supply.The circuit is nothing but consists of an oscillat...
VT1, VT2 choice MTE13003 ~ 13005 high-power tube, and β value is between 20 to 40. T1, T2 need to be made by yourself: the three coils of T1 are avail...
Inrush current is the main reason for failure of the lamp. The circuit can be used to limit such current. But when the filament reaches normal operatin...
Touching delay lamp switch circuit is shown as the chart, as long as to touch the electrode M, the E will be lit, then after a short interval time, the...
Figure (a) is six-way infrared remote control transmitter.Figure (B) is infrared receiver demodulation, channel decoding circuit, lighting drive circui...
This switch can be directly connected to the power cord of bedside lamp in series, which is easy to use. But after using for a long time, broken power ...
The capacitive voltage divider type clamping single-ended flyback type switching power supply is as shown in the figure. When the VT1 is in the conduct...
According to current legislation in many countries, vintage cars must also be fitted with a fog lamp at the rear. In modern cars, there is a bit of cir...
Especially designed for Christmas tree lamps , Replaces old thermally-activated switches This circuit is intended as a reliable replacement to thermall...
The figured lamp circuit can not only casually regulate the light, but also has the function of timing and putting out the light, which consists of the...
Work of the circuitThe circuit consists of light examine circuit and light adjusting circuit (It is showed in picture 9-74.).When you turn on power swi...
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