The article is a continuation of the earlier post where we tried to find a solution for creating unique infrared IDs for trains in a model locomotive system. Here we try to understand the application in detail and learn how it may be possible to successfully implement the idea using tuned IR detector circuits. The idea was requested by Mr. Henrik
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Thursday, January 29, 2015
Wednesday, January 28, 2015
Tuesday, January 27, 2015
This fan speed controller works by sensing the temperature of the engine and is accordingly used for the triggering. As the temperature increases so does the speed of the fan motor and vice versa.
The post explains a simple temperature to voltage converter circuit using IC LM317. The idea was requested by one of the dedicated members of this blog.
Monday, January 26, 2015
You may have studied countless transformerless power supplies in this blog and in the web, however calculating the crucial mains capacitor in such circuits has always remained an issue for the many constructors.
Sunday, January 25, 2015
Saturday, January 24, 2015
In the previous article we learned about a simple barcode sensor circuit, here we'll study how the sensed pulses can be transformed for getting unique sets of high low outputs from the IC 4033 in response to different barcodes patterns. This unique results can be then used for activating a lock or an alarm.
Readers are advised to proceed with the construction of the presented circuits only after understanding the concepts from the core. Not adhering to this can lead to failures and frustrations.
A few of the interesting and useful hobby electronic circuit diagrams already published in this blog have been selected and compiled here f...
This super simple design of an inverter circuit does not limit it in any way from providing a high output power and an efficiency of a good...
White LEDs are the lighting solutions of the future, simply because these devices can be lit brightly at relatively negligible power consum...
A 50 watt inverter might look quite trivial, but it can serve some useful purposes to you. When outdoors, this small power house can be us...
The article describes a very simple homemade emergency light circuit that can be used during power failures and outdoors where any other so...
Solar power is abundantly available to us and is free to use, moreover it’s an unlimited, unending natural source of energy, easily accessi...
The market may be full of these hi-end remote controlled toy cars, but for a hobbyists making one at home can be entirely a different exper...
A simple yet accurate automatic, regulated 6/12/24 volt lead acid battery charger circuit is explained in this article. The circuit switch...
The proposed circuit generates accurately spaced PWM pulses which imitates a sine wave very closely and thus can be considered as good as i...