ELF stands for Extremely Low Frequency, which is an electromagnetic radiation generated by most of out household electrical equipment. Regarding the effect and severity of ELF fields on human health, […]
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Point Contact Diodes [History, Construction, Application Circuit]
In this article I will comprehensively explain about the early point contact diodes, and their modern versions which are Germanium diodes. Here I have explained the following facts: Brief history […]
Circuit Projects for Beginners and School Students
In this article I have explained how to build small electronic circuit projects suitable for beginners, young hobbyists, school students, who are new to electronics and are at the initial […]
Monitoring 220V AC Load Current using Current Transformer [Circuit Diagram]
In this post I have explained a circuit which can be used for monitoring or controlling AC 220V load current by sensing the load current through a contactless current transformer. […]
How to Use Diodes, Transistors, ICs as Temperature Sensors
Normally we find thermistors being used as the sensor for detecting and monitoring temperatures in electronic circuits. However, ordinary semiconductor components like transistors and diodes actually work better than thermitors […]
2 Meter Ham Radio Transmitter Circuit
In this post I have explained the complete building procedure of a 2-meter amateur ham radio transmitter circuit, using ordinary electronic components and ordinary test equipment. What is 2-Meter VHF […]