Morse Code circuit using ATtiny85
Posted on Feb 7, 2014
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This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of.... -
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is.... -
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to.... -
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This.... -
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the.... -
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,.... -
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the.... -
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power.... -
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
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The circuit is an open loop rms voltage regulator that will provide 500 watts of power at 90 V...
This CMOS circuit can be used as a 1-shot time delay switch and general-purpose timer. The...
At startup, the voltage in the trigger input at pin 2 is less than the trigger level voltage, "13...
When mains is absent, relay RL2 is in deenergised state, feeding battery supply to inverter...
LED light chaser circuit typically refers to an electronic configuration able to generate or...
Tone control or pre-amplifier is an amplifier circuit supporters. Sometimes some of us do not...
Experiments with couple of floppy drives I have and it appears that on the step pin, current is...
The infra-red (IR) toggle switch project described here is aimed to provide control mechanism for...
This UHF amplifier circuit electronic project can be useful in situations where the TV signal is...
Here`s something that might intrigue you Crystal Radio builders out there: A one-transistor...
I needed an excuse to use the soldering iron so I figured that I might as well as make a...
As shown in FIG constituted by OPA340 INA321/322 output buffer circuit. INA321/322 optimum load...
As shown in the zero-power regulator circuit is simple, reliable and able to work. It is...
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