Liquid-level-checker
Posted on Feb 13, 2013
New Circuits
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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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This is a rather sensitive circuit which will detect minute variations of a magnetic field,...
This circuit produces the famous Big Ben sound. It produces the "ding dong" sound when switched...
The transmitter keyboard is arranged as a scanned matrix. The matrix consists of 7 driver outputs...
The gain of the low-cost IC is internally fixed so that it is not less than 34 dB (50 times). A...
Welcome to the weblog where we discuss about electronic circuits schematics, PCB design, diy kits...
This circuit is a circuit diagram of resource replacement 1. 3V mercury cells or other small...
The Oscillator DesignGuide is integrated into Agilent EEsof`s Advanced Design System environment,...
As demand for VRM output current being bigger and bigger, the components and parts of SR-Buck...
When VOUT is very low during start-up or a short-circuit fault on the output, the switching...
This mains AC Relay module uses a 5V relays that can run straight off the Arduino and switch...
This is a simple 3 band graphic equalizer circuit that`s built by a single op amp IC LF351 IC and...
The LM380 is a power audio amplifier for consumer applications. In order to hold system cost to a...
This design will interest technicians who work on pneumatically operated valves and other 4-20mA...
As the only electronics engineer in my family and circle of friends, it is sometimes not possible...
Built for Birkbeck, the microscope controller is a open source stepper motor driver. It uses an...
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