Automatic Water pump controller For Overhead Watertank|Automatic Water Pump Motor Switch off Project circuit|Automatic Water Tank Controller

Automatic Water pump controller For Overhead Watertank|Automatic Water Pump Motor Switch off Project circuit|Automatic Water Tank Controller

Water pump controller circuit that will automatic stop the motor pump when tank is full. Description.   At many time when water tank is empty, we start the moter for storing the water in tank and get busy in other works . Then we forget to swith off the water pump moter after tank is full. In this case water […]

How to make 20w Audio Amplifier

How to make 20w Audio Amplifier

20w amplifier using ic TDA7240    The TDA7240A is a 20W bridge audio amplifier IC . COMPACT HEPTAWATT PACKAGE in 7 pin packing. The audio amplifier shown here is based on the TDA7240 IC . The ic TDA 7240 is an audio amplifier IC that can deliver 20 watts of audio output power into a 4 ohm load. The circuit of audio amplifier using […]

10w x 10w stereo amplifier circuit diagram using TDA2009

10w x 10w stereo amplifier circuit diagram using TDA2009

10w x 10w stereo amplifier circuit diagram using TDA2009 IC TDA2009A is class AB dual Hi-Fi  powerful Audio power amplifier assembled in Multiwatt  package, specially designed for high quality stereo application as Hi-Fi and music centers. This ic has following specification •  HIGH OUTPUT POWER (2 x 10W) •  HIGH CURRENT CAPABILITY (UP TO 3.5A) •  AC SHORT CIRCUIT PROTECTION •  THERMAL OVERLOADPROTECTION SPACE AND […]

LM386 Audio Amplifier

LM386 Audio Amplifier

LM386 Audio Amplifier Circuit In this project, we will show you how to build LM386 Audio Amplifier Circuit. It is a very low cost audio amplifier and can power any speaker. For the cost and size of the circuit, the sound from the LM386 Audio Amplifier can be adequately loud. There are many Audio Amplifier Circuits designed using LM386 IC. […]

12 tone door bell | Multitone Doorbell Alarm | How to Make Doorbell At home

12 tone door bell | Multitone Doorbell Alarm | How to Make Doorbell At home

  Listening same door bell  tune at always may be boring, this melody generator doorbell circuit may help us to avoid this dull situation because this circuit provides 12 tones. This multi tone door bell circuit produces 12 types of musical tone. You get  twelve popular tones in sequences that gives a new dimension to musical door-bells. Whenever a switch is […]

5 KM Long range FM transmitter

5 KM Long range FM transmitter

  Long Range FM Transmitter A FM transmitter can cover maximum distance,  we always try to get the maximum range with maximum power output . there are various different types of fm transmitters circuits available in on the different online websites . but not all circuits are capacity to cover more than 100- 200 meter site range. Here showing a […]

Long Range FM transmitter Circuit

Long Range FM transmitter Circuit

Long Range FM Transmitter Circuit The FM transmitter circuits are generates the output power depending on power amplifier . If any transmitter circuit have consist Rf amplifier stage, oscillator stage then the output power of that ckt provides good power signal. The transmitter circuit described here with an extra RF power amplifier stage, ,increase the power output to 200-250 milliwatts after […]

Homemade Mini FM Radio Station Transmitter Circuit

Homemade Mini FM Radio Station Transmitter Circuit

  This is a very good quality FM transmitter circuit built using four radio frequency stages: VHF oscillator built using transistor BF494 (T1), a preamplifier stage built around transistor BF200 (T2), a driver built around transistor 2N2219 (T3) and a power amplifier built around transistor 2N3866 (T4). A condenser microphone is connected at the input of the oscillator. source- electronicsforyou Working […]

small FM transmitter

Small And Long Range Fm Transmitter circuit Fm transmitter is always an interesting circuit idea .This circuit provides the fm frequency signal about 80 to 115 mhz. You can receive the signal of this transmitter on receiver at distance around about 200 meters. This is a small range portable fm transmitter circuit which requires very few components.,this makes FM transmitter […]

Simple FM transmitter Circuit

Simple FM transmitter Circuit

   Simple FM transmitter Circuit This is a circuit diagram of FM transmitter which constructed very easily. This FM Transmitter circuit needs very less components. This circuit is based on two npn transistor of 2N2222 which is low power amplifier. At the first transistor stage the input signal is preamplified and then the transistor T2 will Amplified the signal as […]

Long Range 1W FM Transmitter

Long Range 1W FM Transmitter

  Homemade Long Range 1 W FM Radio Transmitter circuit An transmitter circuit which produces frequencies between 88 to 108 MHZ . should good in quality in respect of good transmitting capabilty With good area covering .  This FM transmitter can cover upto 5 km area with stable frequency quality. The reason of use of voltage regulator 7809 is to […]