COURTAY Antoine Associate Professor

IRISA GRANIT Team

ENSSAT University of Rennes 1

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You will find in this page some DIY (Do It Yourself) electronics projects and some other things.

Feel free to ask for schematics & or source code.

 

 

 

Gearbox Indicator

 

Aim: Realize a Gearbox indicator (1 < Engaged Speed < 6) Engaged speed is displayed on a LED bargraph.

 

https://sites.google.com/site/courtayantoine/_/rsrc/1329221176821/diversbricolages/Moto.jpghttps://sites.google.com/site/courtayantoine/_/rsrc/1329485072200/diversbricolages/PC120665.JPGhttps://sites.google.com/site/courtayantoine/_/rsrc/1329485162105/diversbricolages/PC120673.JPG

 

It exists on some motorbikes (for instance injection suzuki bandit) a wire providing a voltage depending on the engaged gearbox speed. This voltage only needs to be sampled by an analog to digital converter. The program is running onto a dsPIC C from Microchip.

 

 

 

Automatic Cat Feeder

 

Aim: Realze an Automatic cat feeder. The feeding times and the number of feeding times are choosen by the user.

Keywords: dsPIC, servomotor (PWM command), optical fork, LCD, keyboard, interruption, RTC clock.

https://sites.google.com/site/courtayantoine/_/rsrc/1299140776438/diversbricolages/P1240897.JPGhttps://sites.google.com/site/courtayantoine/_/rsrc/1299140781169/diversbricolages/P2230919.JPGhttps://sites.google.com/site/courtayantoine/_/rsrc/1299140792853/diversbricolages/P3030929.JPG

 

https://sites.google.com/site/courtayantoine/_/rsrc/1299140785009/diversbricolages/P3030927.JPGhttps://sites.google.com/site/courtayantoine/_/rsrc/1299140788999/diversbricolages/P3030928.JPGhttps://sites.google.com/site/courtayantoine/_/rsrc/1299140798104/diversbricolages/P3030931.JPG

When powering up, the user has to choose (by typing on the keyboard) the number and the times of the feeding times. The program (running onto a dsPIC) compare the actual time (RTC with a 32kHz Quartz) with the memorized feeding times. If it is feeding time a servomotor (driven by a transistor and a relay) is rotated in order to free the food looked in some PVC tubes. An optical fork (issued from an old computer mouse) is in charge to manage if the tank of food is not empty.

Some messages are displayed on the 4x20 LCD display (actual time, next feeding time, state of the food tank )
In case of wall power supply break an embedded battery can manage the Automatic cat feeder.

 

 

 

ICD2 Clone / Serial PIC Programmer

 

ICD2 Clone: Programmer & debugger for MICROCHIP C

PIC Serial Programmer: Serial Programmer for MICROCHIP C

 

https://sites.google.com/site/courtayantoine/_/rsrc/1329291732863/diversbricolages/PC110655.JPG

 

 

 

Tactile TFT color LCD Screen Driver

 

Aim: Experimental board with an ATMEGA64

 

https://sites.google.com/site/courtayantoine/_/rsrc/1272529463577/diversbricolages/P4280316.JPGhttps://sites.google.com/site/courtayantoine/_/rsrc/1274800795967/diversbricolages/P5230340.JPG

 

 

 

Inline Skating Speedometer

 

Aim: Realize a Speedometer running onto an ATMEGA8. The C counts external interrupts issued from the ILS sensor. A magnet is placed in a wheel.

 

https://sites.google.com/site/courtayantoine/_/rsrc/1272270338898/diversbricolages/P4260298.JPGhttps://sites.google.com/site/courtayantoine/_/rsrc/1276156112504/diversbricolages/P6100164.JPGhttps://sites.google.com/site/courtayantoine/_/rsrc/1276156102277/diversbricolages/P6100162.JPG

 

 

 

Fixed Position Radar Signalling

 

ATMEGA8, NMEA-0183 GPS mouse, I2C, LCD

 

https://sites.google.com/site/courtayantoine/_/rsrc/1268143874742/diversbricolages/image003.jpg

https://sites.google.com/site/courtayantoine/_/rsrc/1268143883237/diversbricolages/image005.gif

 

 

 

InfraRed Steering Wheel Remote Control

 

Aim : Getting back the functionality of an original steering wheel remote control with a new car radio.

 

https://sites.google.com/site/courtayantoine/_/rsrc/1268143923775/diversbricolages/image007.jpg

https://sites.google.com/site/courtayantoine/_/rsrc/1271838081752/diversbricolages/TV205.JPGhttps://sites.google.com/site/courtayantoine/_/rsrc/1271838094279/diversbricolages/TV201.JPGhttps://sites.google.com/site/courtayantoine/_/rsrc/1271838101388/diversbricolages/TV199.JPG

 

https://sites.google.com/site/courtayantoine/_/rsrc/1268143913185/diversbricolages/image008.jpg

 

 

 

Digital Signal Generator 20MHz

 

Aim: Digital Signal generator (20MHz) with an ATMEGA16 and a MAX038.

 

https://sites.google.com/site/courtayantoine/_/rsrc/1270712438050/diversbricolages/P4080149.JPG

 

 

 

Laboratory Power Supply 30V/2A

 

Aim : Realize a Variable Laboratory Power Supply with the classical LM723 voltage regulator.

https://sites.google.com/site/courtayantoine/_/rsrc/1272269948219/diversbricolages/P4250289.JPGhttps://sites.google.com/site/courtayantoine/_/rsrc/1272269955112/diversbricolages/P4250292.JPGhttps://sites.google.com/site/courtayantoine/_/rsrc/1272269965506/diversbricolages/P4250294.JPG

 

 

 

Laboratory Power Supply (ATX PC modified Power Supply)

 

Aim : Realize a Laboratory Power Supply issued from a modified (load resistance & fused protections) ATX PC power supply. This Power supply can provide 3.3V / 5V / 12V / -12V voltages.

 

https://sites.google.com/site/courtayantoine/_/rsrc/1329292407416/diversbricolages/atx.jpg

 

 

 

Phonecard Reader

 

Aim : Analyze data contained inside the EEPROM of phonecards (size, year, chip #, remaining credit )

https://sites.google.com/site/courtayantoine/_/rsrc/1268143947410/diversbricolages/image010.jpg

https://sites.google.com/site/courtayantoine/_/rsrc/1268143957180/diversbricolages/image012.jpg

 

 

 

 

PC Monitoring

 

Aim : Monitoring components inside a PC (C, disk size, voltages, fan speed )

 

https://sites.google.com/site/courtayantoine/_/rsrc/1268143977574/diversbricolages/image014.jpghttps://sites.google.com/site/courtayantoine/_/rsrc/1268144039397/diversbricolages/image016.jpg

 

 

 

AVR ISP / AVR JTAG / EEPROM I2C Programmers

 

AVR ISP: ATMEGA C Programmer

AVR JTAG: Programmer & JTAG debugger for ATMEGA C

EEPROM I2C: EEPROM I2C Programmer

 

https://sites.google.com/site/courtayantoine/_/rsrc/1271835258203/diversbricolages/P4210219.JPG

 

 

 

1959 Lanaverre 420 Sailing Dinghy Renovation

 

Pole fixing & vernish

 

https://sites.google.com/site/courtayantoine/_/rsrc/1268144035213/diversbricolages/image018.jpghttps://sites.google.com/site/courtayantoine/_/rsrc/1268144050997/diversbricolages/image020.jpghttps://sites.google.com/site/courtayantoine/_/rsrc/1268144054222/diversbricolages/image022.jpghttps://sites.google.com/site/courtayantoine/_/rsrc/1268144056835/diversbricolages/image024.jpg

 

Bench mount fixing

 

https://sites.google.com/site/courtayantoine/_/rsrc/1268144120539/diversbricolages/image026.jpghttps://sites.google.com/site/courtayantoine/_/rsrc/1268144127919/diversbricolages/image030.jpghttps://sites.google.com/site/courtayantoine/_/rsrc/1268144124932/diversbricolages/image028.jpg

 

Before / After

https://sites.google.com/site/courtayantoine/_/rsrc/1268144134602/diversbricolages/image032.jpghttps://sites.google.com/site/courtayantoine/_/rsrc/1268144401557/diversbricolages/image034.jpghttps://sites.google.com/site/courtayantoine/_/rsrc/1268144395475/diversbricolages/image036.jpg

 

Beach trailer construction

https://sites.google.com/site/courtayantoine/_/rsrc/1268144388654/diversbricolages/image038.jpghttps://sites.google.com/site/courtayantoine/_/rsrc/1268144483001/diversbricolages/image040.jpghttps://sites.google.com/site/courtayantoine/_/rsrc/1268144488484/diversbricolages/image042.jpg

 

https://sites.google.com/site/courtayantoine/_/rsrc/1268144530595/diversbricolages/image044.jpghttps://sites.google.com/site/courtayantoine/_/rsrc/1268144534877/diversbricolages/image046.jpg

 

 

 

1967 S3800 Solex Renovation

 

At the beginning

https://sites.google.com/site/courtayantoine/_/rsrc/1268144569128/diversbricolages/image048.jpghttps://sites.google.com/site/courtayantoine/_/rsrc/1268144579811/diversbricolages/image050.jpghttps://sites.google.com/site/courtayantoine/_/rsrc/1268144588651/diversbricolages/image052.jpg


Exhaust dirt removing / Electrolysis / Electroplating

https://sites.google.com/site/courtayantoine/_/rsrc/1268144599598/diversbricolages/image054.jpghttps://sites.google.com/site/courtayantoine/_/rsrc/1268144608517/diversbricolages/image056.jpghttps://sites.google.com/site/courtayantoine/_/rsrc/1268144614745/diversbricolages/image058.jpg


The puzzle

https://sites.google.com/site/courtayantoine/_/rsrc/1268144627061/diversbricolages/image060.jpghttps://sites.google.com/site/courtayantoine/_/rsrc/1268144640563/diversbricolages/image064.jpghttps://sites.google.com/site/courtayantoine/_/rsrc/1268144633684/diversbricolages/image062.jpg


It works

https://sites.google.com/site/courtayantoine/_/rsrc/1268144649798/diversbricolages/image066.jpghttps://sites.google.com/site/courtayantoine/_/rsrc/1268144656912/diversbricolages/image068.jpg