LM317 Voltage Regulator circuit
This LM317 voltage regulator circuit has a bridge rectifier. So we can fed 220V/110V AC supply at the input to get adjustable 0-12volt DC at the output.
Speed control of DC motor using PWM with 555 IC
In this 555 timer project, I have shown how to make speed control of DC motor using PWM with a 555 timer IC circuit.
Battery Level Indicator circuit with LM3915
How to make a battery level indicator circuit with LM3915 IC to monitor the voltage level of any batteries.
IR Sensor Switch with IC 4017 project
How to make IR sensor switch using the CD4017 IC and 1738 IR receiver explained with circuit. Control light from manual switch & IR Remote.
Motion Sensor Light Switch using CD4017 & IR sensor
In this 4017 project, I have shown how to make a motion sensor light switch using the CD4017 IC and IR proximity sensor with circuit.
Atmega328P without Arduino PCB Design
Build DIY Arduino PCB using Atmega328P microcontroller. Explained with circuit, Atmega328P Pinout, programming and all other details.
Automatic Water Pump Switch ON-OFF Circuit with 555
Automatic water pump switch using the 555 timer IC. The pump with automatically ON and OFF according to the water level in the tank.
Automatic Battery Charger Circuit for 12V & 6V Battery
Automatic battery charger circuit for any battery on zero PCB. Make this auto cut-off charger for charging 12V / 6V battery
LED 220V AC circuit with Calculation
Connect LED with 220V AC supply using a transformerless power supply. Explained how to make transformerless power supply with calculation.
WiFi & Manual with Realtime Feedback ESP32 Home Automation project
Control the Home Appliances with WiFi and push buttons using the ESP32 home automation system. Also monitor the Real-time feedback in the Blynk App.