Rain Alarm Circuit Diagram The Simple Rain Alarm Circuit Diagram is used to give an alert when it’s going to rain. This circuit is used in homes to guard their washed clothes and other things that are vulnerable to rain when they stay in the home most of the time for their work. The required … Read more
Temperature Monitor Circuit This Simple Temperature Monitor Circuit gives an indication using an LED when the battery voltage falls below 9 volts. This circuit is ideal to monitor the level of charge in 12V small batteries. These batteries are used in burglar alarm systems and portable devices. The working of this circuit depends on the … Read more
24V, 2A Power Supply Circuit we can use this 24V, 2A Power Supply Circuit for any circuit and can change voltage output as you need. And this circuit has a few parts and easy to construct. We need to use a 24V 2A power supply circuit for a 30w power amplifier. In the circuit is a … Read more
Transistor Audio Amplifier Circuit This is a 4-transistors complementary push-pull amplifier, which is Transistor Audio Amplifier Circuit, shows the basics of audio amplifier circuit design. This transistor amplifier circuit saving on battery current, which is quite low with middle volume, rising to 25 -30mA as a volume is increased. Transistor Audio Amplifier Circuit This Transistor Audio … Read more
10 Minute Timer Circuit 10 Minute Timer Circuit using IC NE555 Whenever you need to get an alarm or intimation after ten minutes, the circuit is shown below can be used. The circuit is nothing but a monostable multivibrator based on IC NE 555. Whenever you press the reset push button the green LED D1 … Read more
Mic Mixer Circuit Diagram 2 Channel Mic Mixer Circuit Diagram is designed for handling high impedance dynamic microphones. Transistor Q1 can be any general purpose PNP transistor like BC177 or BC157B. Resistor R5 biases the transistor while R3 and R4 provide channel isolation. 2 Channel Mic Mixer Circuit Diagram However, this 2 Channel Mic Mixer … Read more
Power Saving Relay Driver Circuit Diagram Power Saving Relay Driver Circuit for Microcontroller, the switching activity is performed by a relay, which activates an external load. Not suitable for battery power applications utilized by the relay. Here is a simple solution that uses fewer parts to conserve significant energy. Power Saving Relay Driver Circuit for … Read more
Automatic changeover circuit Automatic Changeover Switch using IC LTC4412 from Linear Technologies. This Automatic changeover circuit using IC LTC4412 can be used for the automatic switchover of a load between a battery and a wall adapter.LTC4412 controls an external P-channel MOSFET to create a near ideal diode function for power switch over and load sharing. … Read more
6 to 15V DC to DC converter Circuit 6V to 15V DC to DC converter circuit using LM2585 is very efficient. LM2585 is a monolithic integrated voltage converter IC that can be used in various applications like flyback converters, boost converters, forward converters, multiple output converters etc. The circuit requires a minimum number of external … Read more
MSK5012 10A Adjustable Voltage Regulator The MSK5012 voltage regulator output is fully programmable through the use of two external resistors. The regulator has a very low dropout voltage(0.45v @10A )due to the usage of MOSFET with very low Rds (ON) as the internal series pass element. Ultra low dropout voltage specifications are realized due to the … Read more