PIC16F877A Based Dual Mode Robot

Engineeering Projects
receiver circuit of dual mode robot

Previously we presented ‘Arduino Based RF-controlled Robot’. This project ‘PIC16F877A Based Dual Mode Robot’ includes slight modifications to that project. This Robot has inbuilt features to identify and avoid obstacles on its way and can be easily controlled with the help of RF-based remote control. The project can be used as a base to build up projects like automatic vacuum cleaners along with some modifications. The best part in that context is that artificial intelligence cleans the floor on its own and we can guide the robot to clean areas…

Read More

Automobile Brake Failure Indicator

Engineeering Projects
automatic brake failure indicator circuit

Almost 40% of accidents occur because of brake failure issues. With early identification of this condition, we can reduce the accident rate. The project ‘Automobile Brake Failure Indicator’ is the solution to this global issue. You might be wondering how this project is responsible to lower the accident rate. Well, this indicator circuit keeps an eye on the condition of the brake at regular intervals and provides an audio-visual indication of the situation. The project includes two LEDs and a piezo buzzer as indicators. Under normal circumstances when the brake…

Read More

Arduino Based Music Player

Engineeering Projects
arduino based music player

The project posted here is of simple music player system based on Arduino uno board and SD card module. As we all know that Arduino can deal with digital signals or square signals only if we wish to work with sine waves we have to use further processing circuits. Previously we had posted Tune Player using Arduino for demonstration of using PWM pin of Arduino. The audio signal is sine wave thus we have used PWM pin and OP-amp for audio output. In order to generate a pure audio signal…

Read More

Arduino and RF Controlled Robot

Engineeering Projects
receiver circuit of arduino and rf controlled robot

Arduino and RF Controlled Robot ‘ROBOT’, as you know were introduced much earlier in the fifties. People could not afford those massive devices because of the cost they were tagged with. But now, to make it available to common people as well, our team developed a robot that is based on a simple platform like Arduino. Due to the fact that it uses RF remote control, using this robot is much easier. The omnidirectional robot works smoothly within a range of up to 100 meters. Adding more to its benefit,…

Read More

Telemetry System Troubleshooting

Engineeering Projects

Telemetry system have become big business in recent years. In addition to the military applications, many commercial uses are being developed. Today’s telemetry markets range from remote reading of gas and electricity meter to credit card validation, security monitoring, token-free highway toll systems, and remote inventory control. After completing this article, you should be able to: Troubleshooting a radio-telemetry receiver Troubleshooting a radio-telemetry transmitter Receiver Problems Let’s start by looking at some possible receiver problems in figure 1. Since this receiver has a low-frequency IF amplifier, an oscilloscope can be…

Read More

Arduino Based Data Logger (Temperature)

Engineeering Projects
arduino based data logger

The project described here is a simple Arduino Based Data Logger which can be used at any place where data is needed to be stored for further processing and monitoring. The project posted here basically store temperature, humidity with date and time in regular intervals on an SD card or a computer, or both. The wide range of operations and data rate of 12 samples per minute make this circuit more versatile and attractive at the same time. The data logging can be adjusted as per desire by changing the…

Read More

Troubleshooting a LAN

Engineeering Projects

The most common maintenance situation for large LAN installations is to set up a help desk. LAN users who experience problems call the help disk. Usually a technician is dispatched if the problem can’t be resolved over the phone. Let’s take a look at some of the problems the technician may encounter when dispatched. Some preliminary checks should be made first. Ensure that the workstation is plugged into electrical power. Is it turned on? Is the CRT brightness turned down? These are obvious thing that are easily overlooked and warrant…

Read More

Troubleshooting of Transmission Lines

Engineeering Projects

Vital links of communication data flow over transmission lines daily. Phone conversations, computer data, and audio and video information all depends on the media’s ability to pass these signals wholly without any loss of quality. In this section, we will look at a problem encountered in the cabling application. Many opportunities exist today for the technician who can effectively track down and repair cabling troubles. After completing this section, you should be able to Identify popular types of cabling available for LANs and other uses. Describe crosstalk interference and give…

Read More

Fingerprint Attendance System using Arduino

Engineeering Projects
Fingerprint Attendance System using Arduino

The project posted here is a simple Fingerprint Attendance System using Arduino and can be very useful for any place where attendance is taken for maintaining registers like offices, schools, etc. Previously, we had posted RFID based attendance system, Arduino Fingerprint Sensor Lock, etc. The project posted here utilizes a thumb impression for taking attendance. The Fingerprint Attendance System using Arduino is based on a simple algorithm called matching algorithm and is compared with previously stored templates of fingerprints against the user’s fingerprint for authentication. Maintaining a register for attendance is…

Read More

Ultrasonic Water Level Meter

Engineeering Projects
ultrasonic water level meter transmitter circuit

Wireless Ultrasonic Water Level Meter using ATmega328 Water level indicator is one of the most popular projects over the internet but the problem with that is, it uses metal electrodes as a result corrosion is occurring. When we pass DC in water it starts to react with the metal in presence of oxygen and corrosion is occurring. This problem is minimized by using alternating current instead of direct current but there is always the risk of electric shock which can be dangerous if is handled by a non-technical person. By…

Read More
  1. Pages:
  3. 1
  4. ...
  5. 30
  6. 31
  7. 32
  8. 33
  9. 34
  10. 35
  11. 36
  12. ...
  13. 84