Water Rocket Project for Students / Professionals
A water rocket is propelled by pressurised air forcing water down though a nozzle. This creates thrust. If you took a standard two litre fizzy soft drink bottle and pressurised …
Read MoreEducation
Aurora RGB LED art – Multicolor Liquid Pattern – LED
My obsession of LEDs has led me to this. Aurora 9×18 is a thing of beauty (if I can say so myself) – has 162 RGB-LEDs in a circular configuration. …
Read MoreUSB Mobile Phone Battery Charger Circuit
Now you can charge your Mobile Phone from the USB outlet of PC This simple circuit can give regulated 4.7 volts for charging a mobile phone. USB outlet can give …
Read MoreAC Inverter Circuit Diagram – 12V DC to 120V AC
An Inverter is a device that converts 12 volts d.c to 120 volts a.c. , which is what we use in our homes. This project will handle about 300 watts, …
Read MoreStepper Motor interface on I/O ports
Of all motors, step motor is the easiest to control. It’s handling simplicity is really hard to deny – all there is to do is to bring the sequence of …
Read MoreLCD Interface on I/O ports
Most projects you create with the 8051 microcontroller require some form of display. The most common way to accomplish this is with the LCD (Liquid Crystal Display). LCDs have become …
Read More7 Segment Display interface on I/O ports
For the seven segment display you can use the LT-541 or LSD5061-11 chip. Each of the segments of the display is connected to a pin on the 8051 (the schematic …
Read MoreRelay interface on I/O ports
When a current flows through the coil, the resulting magnetic field attracts an armature that is mechanically linked to a moving contact. The movement either makes or breaks a connection …
Read MoreLED interface on I/O ports
Connect LED to I/O port with 220k resistor and 5V power supply. Connect cathode of LED to pin port and anode with resistor. You can still connect LED without resistor …
Read MoreInterface Switch – 8051 I/O ports
You can interface switch on input/output port of 8051 micro controller. Ports are TTL (Transistor Transistor Logic) pins. Its has 0V or 5V on pin depending upon ON or OFF. …
Read More