Recently I got my hands on a couple of HSDL-1100 based IR transceivers and a KS070B LCD display module. This was a nice opportunity to experiment with three things: (1) controlling an LCD module, (2) serial communication between two PIC microcontrollers, and (3) making this work over an IR link. Serial protocol supports addressing of […]
Microcontrollers are purely digital devices which work on logic0 and logic1 voltages; still they are widely used for analog signal processing. There are specialized signal processors chips available which are custom made for particular applications; however a general purpose microcontroller is more than enough for small kind of signal processing applications like audio signal input […]
The idea of this project is to design and implement two channels EMG signal controlled video game. The player controlls the motion of the ball to the left or to the right to avoid the descending obstacles. Electrods will be placed to the back of the player’s hands to measure the voltage difference of the […]
I had some beef with my (very) old alarm clock. It had a radio which was nice to wake up to, but two problems: 1) I would be in bed and think “Wait, did I set the alarm?” I would have to get up, turn on the light and look at the position of the […]
Pulse Width Modulation (PWM) is the one of the simple and most commonly used technique to produce analog voltages from digital signals. It has a wide variety of applications such as Digital to Analog Converter (DAC), DC Motor Speed Control, Sine Wave Inverters, Brightness control etc. PWM signals are ON – OFF signals (HIGH or […]
This device uses two digital sensors (DS1620 or DS1820), measures the ambient temperature with 0,1 °C (0,2 °F) resolution and displays it on LCD 2×16 (LM016 etc.) screen. It have a clock, which is based on DS1302 timekeeping chip. This chip stores current date and time. The main CPU used in this project is PIC16F877. […]
Introduction: Bringing games played on 2-dimensional screens into 3-dimensional space. When games are played on flat 2-dimensional screen, it greatly limits the player’s interaction with the game. It simply kills some of the exciting aspects and new possibilities within the game that we might be able to see in higher dimensions. In this project, we […]
This is a little night-light that comes on when it gets dark, to illuminate dark rooms or hallways. I’m sure you can buy these cheaply ready made but it’s more fun to make your own, and this way it can be customised exactly how you want it. Power efficiency The unit is very efficient – […]
Displaying content on a normal alphanumeric display is very limited ,we have to be limited with the font size and we can’t draw any graphics also. but convention Graphics lcd are really very expensive so here is the solution, you can use Nokia 3315 / 3310 monochrome LCD to display your large font text and graphics . the reason behind using […]
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