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“In this tutorial i’ll show you how to make a 9 to 5 volt DC-DC Step down buck converter very useful for powering electrinics like Arduino or microcontrollers from a 9v battery! The circuit works by converting the …
“Almost every electronic hobbyist must have faced a scenario where he or she must measure the frequency of signal generated by a clock or a counter or a timer. We can use oscilloscope to do the job, but not all …
“Its a common occurrence in any office youre on Facebook or browsing SparkFun when all of a sudden your boss walks in to see that youre not working. This project aims to avoid that embarrassment and frowns from management. The …
“DC Motor Speed and direction controller project based on L293D H-Bridge and 555 Timer IC. 555 Generate PWM and L293D works as output driver. The 293D provides bidirectional drive current up to 600mA a voltage from 5V to 12V. L293D …
“This is very easy and good instructable for those who are in trouble for pests.This device will work on any pests those who can sense ultra sonic sound.Basically those who are willing to make any small firm like …
“Capacitors are vital components in electronics, but sometimes they are broken, or the value printed on the cap has become unreadable. Because my multi-meter does not have a capacitance measurement, I decided to make one! The principle of measuring capacitance …
“If you’ve played around with electronic circuits, you probably know[1] the 555 timer integrated circuit, said to be the world’s best-selling integrated circuit with billions sold. Designed by analog IC wizard Hans Camenzind[2] in 1970, the …
“This Two way LED running lights to use for beautiful, this circuit uses 12 LED lamps, arranged in 2 rows, each row of 6 leds. A green one and a red one, alternatively. use a different color for this.”
“This instructable is a calculator to determine the resistor and capacitor values to use in common 555 timer circuits. I have included versions for the RaspberryPi and the Arduino with simple circuits to blink two LEDs like the 555 would …
“In my earlier project I used this device as a IR Transmitter and promised to upload this project description in next instructables. So here I present you IR Transmitter using 555 Timer.”