Here is a straightforward TV remote control tester circuit that anyone can use to check TV and VCR remote handsets. The infrared sensor module generates a 5 volt logic pulse sequence in accordance with the digital signals of the specific remote device button pushed. Other sorts of sensor devices can be purchased that are fitted […]
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How to Change Fluorescent Tubes to LEDs
In this post we are going to research a basic LED tube light circuit which might be instantly changed with defective any 40 watt T17 fluorescent tubes and installed straight on the current fixture. Hence the circuit is suitable for almost all regular iron ballast fixture assemblies. Since presented in the below diagram, standard fluorescent fixtures […]
LED Emergency Light with Automatic Battery Cut-of Circuit
The post explains an LED emergency light circuit with sophisticated capabilities such as, over charge battery cut off, day time auto-disable, and need less to say that the circuit switches ON the LEDs instantly when AC mains goes wrong and reverts to charging mode when power is renewed. The positive thing concerning this circuit is […]
Water Temperature Controller Circuit for Central Heating Systems
This circuit can be used for most effective control of the circulation of hot water in a central heating unit. It measures the water warmth, and arranges for a specific valve or pump in the process to be activated to accomplish a user-defined temperature submission in your home. Remaining temperatures in the cen- tral heating […]
How to Build a Thunder Lightning Detector Circuit
This easy circuit will allow you to imagine distant thunder lightning by means of a in the same way choreographed LED is shown, precisely in keeping with the lightning which may be happening anywhere in the distant sky, the reply is going to be simultaneous therefore a lot prior to the sound that could achieve […]
How to Build a LM317 as a Variable Voltage Regulator and Variable Current Regulator
The submit demonstrates precisely how the convenient IC LM317/338/396 can be utilized as a changeable voltage regulator as well as as a variable current regulator by means of simple configurations, employed for driving particular laser diodes which can be proven to possess strict working specs, and might be driven only by way of specific driver […]