Archives for yonetici

Temperature Probe with Led Display.

This device is a temperature probe which measures temperature at a point and displays it on its 5×7 dot matrix led display.

temperature probe circuit schematic showing 15°C on its display.

read more for the source code and the proteus simulation file

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Flashing rear light for bicycles.

A product powered by pic 12F675 microcontroller. The circuit drives 6-8 leds separated into two groups which can be red and blue, imitating a police type rear-front flasher.

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Symposium Timer with Speech.

This is a timing device which I’ve made for a symposium in our university.

The Product on the symposium table.
The Product on the symposium table.

You adjust the time in the splash screen then press and hold SAY (Count) and it counts up to the adjusted time.

The timer will announce the last minutes of the time by led effects and speech.

Read more for the circuit schematic, source code and the proteus simulation file

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Bicycle wheel POV message system.

Circuit Schematic

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Pages: 1 2 3

Alien Bike Light Mini.

Alien light mini
Alien light mini

Yet an other bicycle light design which uses the same circuitry with the solar charged bike light project.

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Mp3 player housing for bikes.

The mp3 player

The mount is for chinese made rectangular mp3 players which are abundant on the market. They are cheap and run good too.

four parts. The mount holds the player on the handlebar while reflecting the sound of the side-placed speakers to the front.

suitable for bicycles as well as motorbikes.

front view
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Lemon Juice Extractor.

This is a small product to extract juice off a lemon. It is a common thing sold everywhere and mine is a similar one. It works fine.

Printed prototype
5
3D model
A similar product from the market
A similar product from the market
the design
inside a lemon
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Bike Light 3 ; The Alien.

🙂 This is my third bike light. It uses the same circuitry with the “solar charged bicycle light project”

Alien bike light front left
newly assembled prototype
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Singing Smiley Gadget.

Here is an other recent project, full schematic etc of a gadget that displays a smiley face on a  5×7 matrix led screen which sings along with the music around.

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Gamen Handheld Gaming Device.

Gamen is a gaming device with stereo sound&voice capability, 128×64 graphics LCD display, suitable for one or two player games.

Gamen Design

It also has got temperature sensor and real time clock. The device is powered by a PIC 18f4620 microcontroller and has additional eeprom for future needs.

There are several games available for the device including snake, pong, tetris, picman and tic tac toe. New ones are under development.

Gamen interior
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