Free electronic circuit design and schematic diagram
This is a Window Detector circuit. This circuit is used to detect over-voltage or under-voltage. This circuit uses the MAX933 and additional components like resistors. The over-voltage threshold of this circuit is 5.5V and the under-voltage threshold is 4.5V if we use the component values shown. We can choose different threshold by changing the values of R3, R2 and R1. […]
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This is a Auto-Off Power Source circuit. This circuit is used to turn off the power source automatically. This circuit uses the MAX931 that has key features such as high current output, an internal reference, 2.5µA supply current, and hysteresis. This circuit requires only 3.5uA quiescent current to provide voltage of Vbatt -0.12V with 10mA load. Here is the circuit: […]
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This is a circuit of Bi-Directional Motor Drive with Speed Control. This circuit is designed to replace the conventional drivers. The component cost can be reduced and efficiency will increase if we use this circuit. Here is the schematic diagram of the circuit: This circuit include all required circuitry to modulate two bi-directional pulse train outputs in proportion to the […]
Read moreThis is a Ohm’s Law video tutorial. This video explains how to understand the Ohm’s Law. There are three main parameter of Ohm’s Law, they are voltage, current flows and resistances. Voltage is defined by V, current flows is defined by I and resistance is defined by R. In this video, the triangle of Ohm’s Law which is used to […]
Read moreThis is Electrical Voltage, Current and Resistance video tutorial. This video tells about the rules of the voltage, current and resistance. Voltage is the difference in energy level, the current is how many electrons are flowing and resistance opposes the flow of electrons. Unit of voltage is volt, the unit of current is amperes (amp), and the unit of resistance […]
Read moreThis is video about series and parallel circuit. This video shows the different between series and parallel circuits. This Video also explains how the series and parallel circuits work. In the series circuit, the voltage is divided by amount of the lamp. When we pull out one lamp in the series circuit, all the lamp will turn off because there […]
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This is a circuit of light ignition circuit. This circuit uses the LIC01 which is designed for high voltage pulse generation circuits. This circuit can be used in many application such as lamp flashing, metal halid lamp and high pressure sodium lamp. When this circuit is used in high surge current operation in rugged environmental conditions, the high performance planar […]
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