Introduction With this circuit we can control up to 8 devices (4 devices in our example project), by sending a specific SMS message with any mobile phone. It’s very useful in the case that, at the place we have the devices, we have not a wired (fixed) telephone line. If you have an old ericsson mobile phone …
SMS control 4 way remote control relays using ATtiny2313 microcontroller Read More »
This Instructible is entered in the Category: 13 – 18 of the National Robotics Week Robot Contest MY URL-http://avadhutelectronics.blogspot.com/ MY Email-avadhut.deshmukh@gmail.com Video :Cellphone Operated Robot Step 1 Component Required Component Required: IC1 – MT8870 DTMF decoder IC2 – ATmega16 AVR microcontroller IC3 – L293D motor driver IC4 – 74LS04 NOT gate D1 – 1N4007 rectifier diode R1, R2 …
Cellphone Operated Robot using ATmega16 AVR microcontroller Read More »
This DIY cell phone created at MIT manages to have something for just about every major contemporary subculture or hipster subset I can think of. Nerds and tinkerers? Check. Wooden case for the steampunk set? Check. Huge antenna for the retro, skinny-jeans-wearing set? Check. Big buttons for the fat-thumbed and Luddite crowd? Check. Rugged design …
DIY mobile phone – Create your own mobile phone using atmega Read More »
AvrPhone is a simple mobile phone with touchscreen. His brain is AVR ATmega128 microcontroller (128 kB flash, 4 kB SRAM) and user interface, the 2.4 “LCD display with touch foil and ILI9325B controller, equipped with a 16-bit bus. The communication with the old GSM module SIM100Sčísnkého SIMCom manufacturer. The entire system is powered by a 3.7 V/1000 mAh Li-Pol article. …
This GSM Mobile is used for our Remote Control (for example Gate Control, Temperature Control….). We use the word ‘module’ because, unlike what we did in our remote control projects, this time around the mobile phone is not mounted on a printed board, but rather on a small auxiliary board which is then inserted in a …
LCDs are often used in microcontroller projects. Most used are these green character displays with two or more rows to display menus, status or debug messages. With mass production of mobile phones, color LCDs get that cheap, that they can be used as replacement. Some time ago I ordered a Nokia 6100 LCD including breakout board from …
Introduction: We thought it would be interesting to try and construct a simple modem out of the ATMEL 8535. The main motivation for doing this was to test some DSP theories about the effects of transmission power, noise, and modulation technique on the bit error rate. Initially, we wanted to connect our modem to the …
Introduction For our final project, we built a surface electromyograph to collect and analyze data on muscle activity, which supports two channels, implements wireless transmission, and can be worn as mobile unit. Surface electromyography (EMG) is a noninvasive technique to record the activation signals of muscles when they are mechanically active. This signal is very …
Dual-Channel Mobile Surface Electromyograph Using Atmega644 Read More »
Contents Introduction High Level Design Program/Hardware Design Results of the Design Conclusions Appendix A: Commented Code Gesture Recognition Code PC Interface Code Appendix B: Schematics Appendix C: Cost Details Appendix D: Tasks Appendix E: Gestures References Introduction Our project utilizes a microphone placed in a stethoscope to recognize various gestures when a fingernail is dragged …
Gesture Recognition Based on Scratch Inputs Using Atmega644 Read More »
Our ECE 4760 final project was to create a virtual saxophone that uses Direct Digitial Synthesis (DDS) to synthesize the output notes. Pushbuttons are connected to a PVC pipe to mimic the saxophone’s mechanical structure, and a microphone that detects noise is used to determine whether or not the user is blowing into the device. …
