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Dark Sensor ( light sensor / automatic street light )
Water Level Indicator with Alarm
low frequency audio amplifier using the LM386
in the current situation, only low voltage control, but with a SPDT relay ( 220v AC - 30 amp- 24v DC )you can put its coil in the collector way, then you can control a bigger and high voltage lights
what exactly is your goal here, !!,, draw it for me and give me all details , and i may help you.
you can add a capacitor of 100uf at the base of the transistor to delay the time of biase raise time, so if a 5 second of light accidentally hit the LDR it will not effect imediatly, rathar it will take about 8 seconds.
mean agar tank 3rd floor pay ho toa wire almost 40 to 50 feet ban jaye gi? kya yeh circuit itne wire pay support kr sake ga, ore kya hum 12v ka adopter use kr sakte hai circuit mai kuch changing kr k?? reply me soon, i need to make this to save water and electricity
charge from the battery flows from negative to positive right ? then what is the use in having that 220 kohm on the right of the base of transistor ? it should be on the left right so that it will restrict the flow to base ri8 ?
I need some detail from this circuit... What's the output power of this circuit
HiPlease check my wireless water level indicator on my website www.vapory.inNo external power supply to transmitter.(Two AA battery cells)http://www.snapdeal.com/product/vapory-white-wireless-water-level/636257896076
hey brother,i have a 12v supply and a 12 v led strip,i need to implement this circuit with this what are the changes in components i need to incorporate?? - kanankutty
where is its discription? - ShireenT3
how can i add 10 leds
Is This use for ac street light on electric board.
DIY: Wooden Bead Keyring
current limiter (to prevent LED burn) that is what i can think of
How can i attach multiple LEDS in this circuit? Does it requires any alteration in the values of the resistors?
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