Electronic Circuit Projects

[...] a simple calculated configuration which may be used for implementing any desired sized solar panel electricity set up for remotely located houses or for achieving an off the grid electricity [...]

[...] In this post we learn a couple of homemade techniques for enhancing a solar panel output performance by many folds. Today solar panels are being widely implemented for [...]

[...] which may be used to automatically switch and adjust the stronger counterpart amongst the solar panel, battery and the grid such that the load always gets the optimized power for an interrupted [...]

[...] driver topology may be incorporated for implementing the above requirement, as shown in the following diagram: The layout looks simple and easy to configure, however it would produce and subject the [...]

[...] and right strips. The arrangement and the connection details may be verified through the following diagram: Another interesting scanner function that could be easily added to the above circuit with a [...]

[...] it enhances the sensitivity of the device to overwhelming limits. As may be witnessed in the following diagram, the involvement of an extra transistor stage adds up to the gain of the MIC making the [...]

[...] integrated with a triggering stage and a correctly rated power supply as shown in the following diagram. In the given diagram we are able to see a standard preprogrammed PIR module, a 7805 [...]

[...] to operate for the preventing a possible fire inside a transformer. Referring to the circuit diagram, we see the configuration consisting of three stages, a heat sensor stage consisting [...]

[...] more than 150 LEDs rated at 20 mA each can be included with the device as shown in the circuit diagram. [...]

[...] in a given circuit. This may be a tedious looking unless we are able to do it with a simple circuit as explained below: Note that two transistors with the same name (eg BC547) may have [...]

[...] suggest which rgb controller should be used and how it should be connected. can u suggest a simple circuit for 12 volt 3 amp each, red green blue, rgb controller. with primary colours only. this is [...]

[...] This simple circuit will enable you to visualize distant thunder lightning through a correspondingly [...]

[...] have used electric 110v-120v "Sensor Candles" for many years and they employ a very simple circuit of an LDR/Resistor/Switching Transistor on a circuit board about 1/2" square that fits [...]

[...] , causing the logic at the output of IC to switch to a high logic. The above action activates transistor Q1, which in turn activates the LED and the relay. The LED allows to acquire a visual warning [...]

[...] decreases, the op amp gives an output low and activates the relay through the via the transistor Q1. The transistor may be used to activate a heating system or similar with an intention of [...]

[...] by C1. As long as there is a voltage level present at the anode of D2 (around 12 volts), transistor Q1 is able to conduct maintaining a negligible voltage at the gate of the SCR (TR1). Thus the SCR [...]

[...] one tenth of the value of R1. As the temperature thermistor value decreases it causes the transistor Q1 to saturate harder proportionately. Since the collector of Q1 is connected to the base of Q2, [...]

[...] control feature right from 0 to 10 amps. The idea was requested by Mr. Tamam. The Request Dear Swagatam, It was my long term dream to build a 2 channel power supply for personal use, I [...]

[...] sequence through the respective pot controls. The idea was requested by Mr. Mike. The Request Dear Swagatam, I am trying to build a timer circuit to control an automatic fish feeder. It needs to [...]

[...] . The entire design is configured around a single IC 4047 and a few power transistors. The Request Dear Swagatam, I am a big fan of u....i am a wisp. i need an inverter design with 48volt DC input and [...]

[...] of 10 meters. The idea was requested by one of the interested readers of this blog. The Request Dear Swagatam, I am not a large business interest, but am in need of a circuit which would not only help [...]

[...] illuminating the green LED. In the event if the input signal is an AC or pulsing (varying voltage level constantly between high and low), both red and green LED light become on. To acknowledge that [...]

[...] . To check the above issue, a couple of more opamps are introduced, A3, A4, which monitor the voltage level of the battery and initiate the same actions as done by A1, A2, so that the current to the [...]

[...] is opened), the voltage level on pin 2 of the first 555 gets low causing the output (pin 3) to oscillate (square wave). [...]

[...] This simple 4 LED car voltmeter is designed to allow us to monitor the voltage level of the battery of our car at any instant, continuously. Submitted: R.K. Singh To achieve the [...]

[...] filter capacitor and its output was 7.67 volts dc . Test 3 , then i changed the transformer output voltage to 7.5 volts dc and so i fed that into the battery eliminator with the 1000 low esr capacitor [...]

[...] The post presents a discussion regarding the troubleshooting of a 4047 IC based inverter output voltage drop problem on connecting a load. The solution was requested by Mr. Isaac Johnson. The Issue [...]

[...] some trial and error and also by the incorporation of D2 which ultimately stabilizes the output voltage to the required levels. [...]

[...] becomes unable to work with max efficiency, the same happens with a circuit that shunts output voltage for implementing voltage regulation. In the present design we make use of a dimmer switch [...]

[...] components that might be already sitting in your electronic junk box. Referring to the shown diagram, the entire design could be seen configured around the IC LM317 which is basically a [...]

[...] details the wiring layout of the relays, once the wiring is completed as per the shown diagram one of the buttons will cause the motor to rotate clockwise while pressing the other would [...]

[...] proposed municipal water sensor with pump starter is very simple as may be witnessed in the shown diagram. A Darlington TIP 122 transistor becomes the main active sensing device in the circuit. The [...]

[...] only as long as the emitter potential is 0.7V lower that the applied base potential. In the shown diagram, the base of the transistor is fed with a regulated 15 V from the IC 7815, which ensures a [...]

[...] such that at peak voltage the sample solar voltage at pin2 is kept just lower than the supply voltage at pin7, this is essential since the input feed should not be higher than the supply voltage [...]

[...] makes sure that the latch section comprising T1 and T2 gets activated in order to allow the supply voltage to reach the remaining part of the circuit. The output from the flip flop acquired at N2 pin4 [...]

[...] could be calculated using the following formula: R = (Us - LEDfwd)/I where Us is the supply voltage, LEDfwd is the optimum glow voltage of the LED or the forward voltage drop spec. I is the [...]

[...] the above explained TENs procedures T1 is used for producing TENs at the level of the supply voltage for acquiring maximum effectiveness. The transformer could be any ordinary radio output audio [...]

[...] version for my RV. What we have now, is automatic and will cut the power to the RV, if the input voltage goes too high, or too low. The unit we have was very expensive and would have to be replaced, [...]

[...] Magnet type is recommended. 3. In my design above, the inverter will not be receiving input voltage from a battery but instead from the earlier mentioned integrated DC to DC step down and Step- [...]

[...] from a 24 V DC supply, at current ranging up to 15 amps. A 7812 voltage regulator drops the input voltage to 12V for the driver IC which is a standard half bridge driver IC IRS2153 or any other [...]

[...] we all know work efficiently only as long as the output load voltage rating matches with the input voltage of the power supply, example a capacitive power supply working at 220V will work efficiently [...]