Burglar Alarm System using TSOP IR Sensor, NE555 and LM311
Burglar alarm system using IR is a simple project which can be easily completed in 3 or 4 hours. System will have a transmitter as well as a sensor. Transmitter will transmit infra red rays continuously at a particular frequency. Frequency…
Video of Controlling the Direction of Rotation of a DC Motor using Mobile Phone
The MT8870D is a complete DTMF receiver which can be used to get the binary coded decimal corresponding to each switches of mobile phone key pad for external interfacing. If four LEDs are connected to the output pins (Q1, Q2,…
Video of Water Flow Rate, displayed in a 6 Digit Seven Segment Display (Part 3 of 3)
<<<< Read Previous Part (Part 2) In the last two parts, we saw the circuit and program to display the rate of flow of water through a water flow meter in a six digit common cathode seven segment display. Here,…
Arduino Program to Display Flow Rate in a 6 Digit Seven Segment Display (Part 2 of 3)
<<<< Read Previous Part (Part 1) In the previous part, we saw the circuit to display the rate of flow of water through a flow meter in a six digit common cathode seven segment displays using an arduino mega. Here,…
Water Flow Rate in a Six Digit Seven Segment Display using Arduino (Part 1 of 3)
<<<< Previous : Circuit to Read Data from a Water Flow Sensor using Arduino In the previous blog, we saw the circuit for sensing the flow of water through a water flow meter using an arduino mega. Here, we will design…
Circuit to Read Data from a Water Flow Sensor using Arduino
<<<< Previous : Seven Segment Display Controlled by a 4*4 Button Pad using 4 Arduino Pins So far, we had seen a lot of circuit for interfacing many sensors to arduino in my previous blogs. Here, we will see the circuit for…
Video of Controlling a Seven Segment Display by a 4*4 Button Pad (Part 3 of 3)
<<<< Read Previous Part (Part 2) In the previous two parts, we saw the circuit and program to control a common cathode seven segment display by a 4*4 button pad using 4 digital pins of arduino, instead of 8 digital…
Program for a Seven Segment Display Controlled by a 4*4 Button Pad (Part 2 of 3)
<<<< Read Previous Part (Part 2) In the previous part, we saw the circuit to control a common cathode seven segment display by a 4*4 button pad which is controlled using only 4 digital pins of arduino, instead of 8….
Seven Segment Display by a 4*4 Button Pad using Minimum Arduino Pins (Part 1 of 3)
<<<< Previous : Read a 4*4 Button Pad using 4 Digital Pins of Arduino, instead of 8 In the previous blog, we saw the circuit and program to control a 4*4 button pad using only four digital pins of arduino,…
Video of Controlling a 4*4 Button Pad using 4 Digital Pins of Arduino (Part 3 of 3)
<<<< Read Previous Part (Part 2) In the previous two parts, we saw the circuit and program to read a 4*4 button pad using four digital pins of arduino uno. Here, we will see the video demonstration of the same. Video…
Program to Interface 4*4 Button Pad to Arduino using 4 Digital Pins (Part 2 of 3)
<<<< Read Previous Part (Part 1) In the previous part, we saw the circuit for interfacing a 4*4 button pad to arduino using only four digital pins (instead of eight digital pins) of arduino. After completing the circuit, upload the…
Circuit to Interface a 4*4 Button Pad to Arduino using 4 Digital Pins (Part 1 of 3)
<<<< Previous : Seven Segment Display Controlled using 433.92 MHz RF Remote Controller We had already seen the circuit for interfacing a sealed membrane 4*4 button pad to arduino mega in one of my previous blog. Main disadvantage of that…
Video of Controlling a Seven Segment Display using 433.92 Mhz RF (Part 3 of 3)
<<<< Read Previous Part (Part 2) In the last part, we saw the circuit for a remote controller to change the number displayed in a common cathode seven segment display. Here, we will see the video demonstration of changing the…
Seven Segment Display Controlled using RF Remote Controller (Part 2 of 3)
<<<< Read Previous Part (Part 1) In the previous part, we saw the circuit to make a remote controller, to change the number displayed in a seven segment display, using 433.92 MHz radio modules. Here, we will see the receiver…
Remote Controller for a Seven Segment Display using RF 433.92 MHz (Part 1 of 3)
<<<< Previous : 433.92 MHz RF Communication Between two Arduino Boards In the previous post, we saw the circuit for the communication between two arduino boards through 433.92 MHz radio modules. Here, we will design a circuit in which transmitter…
Circuit to Connect 433.92 MHz RF Receiver to Arduino Uno (Part 3 of 3)
<<<< Read Previous Part (Part 2) Connecting an RF Receiver to arduino uno is a simple task. It will take only a few minutes to complete such a simple circuit. Circuit is done as shown in the following diagram. Connections…
Circuit to Connect 433.92 MHz RF Transmitter to Arduino Uno (Part 2 of 3)
<<<< Read Previous Part (Part 1) Connecting an RF Transmitter to arduino is a simple task. It will take only two or three minutes to complete such a simple circuit. Circuit is done as shown in the following diagram. Connections…
Communication Between Two Arduinos by 433.92 MHz RF Modules (Part 1 of 3)
<<<< Previous : Make a Double Sided PCB at Home This is a 434MHz RF transmitter and receiver which is used for short range wireless control applications. Transmitter power supply ranges from 3 – 12V which makes it suitable for…
Printed Circuit Boards for Quine McCluskey Algorithm (Part 9 of 9)
<<<< Read Previous Part (Part 8) So far, we have seen the procedures of making a double sided PCB at home. I had designed four PCBs for implementing Quine McCluskey algorithm. Images of four printed circuit boards, made at home,…
Drilling and Fixing Components on Printed Circuit Board (Part 8 of 9)
<<<< Read Previous Part (Part 7) Step 11 : Clean the surface of circuit board using sand paper. Black lines will be removed and copper lines will appear as shown in the following image. Now, your PCB is ready for…
