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Dr.Avramovski Petar Lab’s

Debbie written to us that she loves the picture of Petar Lab and she will use it as the backround for a training module on ‘Basics of Electronics’. Dr.Avramovski Petar immediately sent new images for the readers to the Tehnik Service and of course  for Debbie.  Old post of electronic workbench is here . I [...]

Temperature controlled soldering gun with bar graph indication

This soldering station is  designed to control the temperature of soldering gun Solomon SL-1 and other similar soldering devices with integrated thermocouple. DC voltage generated by thermocouple is amplified by operation amplifier CA3140.The precise regulation and excellent small hysteresis of temperature is obtained by voltage stabiliser LM723M (military packaging). LM723M contains an embedded temperature stable [...]

DesignSpark chipKIT™ Challenge

Join DesignSpark’s chipKIT™ Challenge and turn your hot idea into a cool solution! Participants in this competition must use Microchip’s chipKIT™ Max32™ development board to design an energy-efficient and eco-friendly device. Achieve the most energy efficient solution and you could win share of US Dollars $10,000 cash! Maximize your design power while reducing your environmental [...]

EasyPIC PRO v7 is released!

EasyPIC PRO™ v7 is a full-featured development board for high pin-count 8-bit PIC® microntrollers. It contains many on-board modules necessary for development variety of applications, including graphics, Ethernet, USB, Temperature measurement and other. On-board mikroProg™ programmer and debugger supports nearly 100 PIC® microcontrollers. Board is delivered with MCU socket containing PIC18F87K22 microntroller. What makes this [...]

Simple Function Generator

Generator functions, or forms of waves, such oscillators are producing alternating voltages of different shape which correspond in appearance to a mathematical function.They can be sine, rectangular, triangular, in the form of stairs, etc.. Applied in analog and digital electronics, the measurement and experimental techniques, for educational or professional purposes and as a laboratory device [...]

Tour of Arduino manufacturing

Adafruit did a tour of the Arduino factory in beautiful Torino, Italy. They took many photos and videos  you can see here. Thanks to adafruit for sharing this beautiful pictures.  

LED candle for Christmas tree

The small electronics with a few transistors and a few passive components will revive a dozen of small LED sparksdeployed in the shape of the flame of the Christmas tree candle .Failed attempt to blow off the flame, like a birthday cake, now become reality. Accumulated air in the children’s swollen cheeksmake magic explosive “puff” [...]

VGA to VIDEO Composite converter

If you want to connect your PC to your house cinema, built VGA to VIDEO Converter.The device is suitable for watching movies, performing video presentations and advertisements from a computerthat does not have video composite output signal.Conversion is a stable, high resolution and high image quality in terms of brightness, contrast and saturation of colors.Most [...]

Automotive Led Timing Strobe

Most older engines, and many newer ones, have timing marks in the form of a line marked on the rim of the vibration damper.Some engines in front-wheel drive vehicles have timing marks on the flywheel. A pointer is attached to the timing cover.When the mark is exactly under the pointer, the engine is ready to [...]

Happy 4th Birthday Tehnik Service

Happy Birthday Tehnik Service! Today, we make fours years since we began this page Tehnik Service. Thank you for helping this page to continue to grow!Enjoy…  

Repairing LCD Monitor Samsung 203B

Today we have repaired a LCD Monitor Samsung  with model no: 203B, came with symptoms that will not to turn on . I opened it and saw that the three electrolytes are cracked and  then I replaced  them with the new capacitors , I checked the other capacitors with ESR meter and showed that they [...]