Battery Voltage Monitor Circuit Diagram using IC LM709

Battery-Voltage-Monitor-Circuit-LM709

Battery Voltage Monitor This operational amplifier IC (LM709) electronic project is used to monitor the charging and discharging of the battery so that the battery voltage does not exceed the specified level. It basically acts like a controlled charger. It shows the battery condition for this Battery Voltage Monitor Circuit. Battery Voltage Monitor Circuit Diagram … Read moreBattery Voltage Monitor Circuit Diagram using IC LM709

LDR – Light Dependent Resistor with Relay Circuit Diagram

LDR circuit diagram

LDR Circuit Diagram The circuit of LDR is an electronic circuit built with  Light Dependent Resistor, relay, Darlington pair, diode, & resistors shown in the below circuit diagram. A voltage supply is given to the load. The required DC voltage of the Light Dependent Resistor circuit is supplied from a bridge rectifier circuit or a battery. This circuit changes the AC … Read moreLDR – Light Dependent Resistor with Relay Circuit Diagram

LA4440 Audio Amplifier Circuit | LA4440 pin diagram

la4440 amplifier circuit diagram

LA4440 Audio Amplifier Circuit Simple audio amplifier based on IC LA4440. It takes the headphone level output from your computer and amplifies a pair of external speakers. If you’re listening to music or movies on laptops and computers, this is a useful little project. Notebook speakers are never strong enough to provide a satisfying listening experience. … Read moreLA4440 Audio Amplifier Circuit | LA4440 pin diagram

Alarm Circuit for Drinking Water | Water Detection Circuit using LM555 IC

Alarm Circuit for Drinking Water

Alarm Circuit for Drinking Water This is the diagram of the Drinking Water Alarm Circuit based on a small water sensor using aluminum foil and plastic wrap and connected to a very simple alarm based on an IC 555 timer. Water Detection Circuit using LM555 IC The Jal State Board provides water for a limited … Read moreAlarm Circuit for Drinking Water | Water Detection Circuit using LM555 IC

Class C Power Amplifier Circuit Diagram | Power Amplifier Advantages and Disadvantages

class c power amplifier circuit

Class C Power Amplifier Class C Power Amplifier Circuit Diagram The above Class C Power Amplifier Circuit Diagram bias resistor Rb pulls the base of Q1 further down and the point Q is placed somewhere below the cutoff point in the load line CC. Consequently, the transistor begins to drive only after the amplitude of the input … Read moreClass C Power Amplifier Circuit Diagram | Power Amplifier Advantages and Disadvantages

LM3914 Battery Level Indicator Circuit Diagram

lm3914 battery level indicator

12V battery level indicator circuit using LM3914 LM3914 IC In this 12V battery level indicator circuit, LM3914 is the main component which from national semiconductors. The IC Lm3914 which can operate a wide supply voltage from 3V to 25V DC. The LM3914 can drive voltage levels and display of 10 LEDs in dot mode or bar … Read moreLM3914 Battery Level Indicator Circuit Diagram

How To Make Your Own Electric Extension Board | Extension Box Wiring At Home

Electric Extension Board

Electric Extension Board, Extension Box Wiring At Home   Presented here is an instructable to Make Your Own Electric Extension Board. In this video step by step instructable, I will show you wiring in the Extension Board. Create an extension box in your home which is cheap but very good for Digital Set Top Box to the audio system, computer to any other device … Read moreHow To Make Your Own Electric Extension Board | Extension Box Wiring At Home

How to Make Simple Water Level Indicator Alarm at Home | Homemade Water Tank Alarm DIY Project

How to Make Simple Water Level Indicator Alarm at Home | Homemade Water Tank Alarm DIY Project Simple Water Level Indicator Alarm or simple transistor-based water level indicator circuit is very useful to indicate the water levels in a tank. Whenever a tank gets filled, we get alerts on particular levels. Here we have created 4 … Read moreHow to Make Simple Water Level Indicator Alarm at Home | Homemade Water Tank Alarm DIY Project

How to Repair Computer Speakers Power Problem | How to Fix Computer Speaker

Repair solutions

How to Repair Computer Speakers Power Problem How to Fix Computer Speaker In this video explaining How to Repair Computer Speakers Power Problem those can easily find out the problem where can occurs by using this video tutorial by conducting simple steps. If your audio devices such as computer speakers, home theatres, and all electronic equipment can … Read moreHow to Repair Computer Speakers Power Problem | How to Fix Computer Speaker

FM Transmitter Bug Circuit Diagram Using BC548 Transistors

FM Transmitter Bug ckt

FM Transmitter Bug Circuit Diagram     This small FM Transmitter Bug Circuit Diagram uses a Hartley type oscillator. Normally the capacitor in the tank circuit would connect at the base of the transistor, but at VHF the base-emitter capacitance of the transistor acts as a short circuit, so in effect, it still is. The coil … Read moreFM Transmitter Bug Circuit Diagram Using BC548 Transistors