To make a furnace temperature meter, the sensing element is required to be particularly robust so that it is able to withstand the extreme high temperatures generally developed in furnaces […]
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Making a RTD Temperature Meter Circuit
In this post we learn the making of an RTD temperature meter circuit, and also learn about different RTDs and their working principles through formulas. What’s an RTD A RTD […]
FM Wireless Microphone Circuit – Construction Details
A wireless microphone is a portable electronic microphone which allows the user to transmit its voice to an amplifier without any wire connection, hence the name wireless microphone. Making a […]
How to Make a Bicycle Horn Circuit with Ringtone
A bicycle horn is normally used in bicycles for generating an amplified alarm sound with a press of a button for alerting anybody getting on the path of the running […]
3 Tested 220V High and Low Voltage Cut OFF Circuits Using IC LM324 and Transistors
An AC mains high/low cut-off device will cut off or disconnect the mains supply from home electrical whenever a high voltage or low voltage situation is detected. In this way […]
220V Solid State Relay (SSR) Circuit using Triac and OptoCoupler
An AC mains solid state relay or SSR is a device which is used for switching heavy AC loads at mains level, through isolated minimal DC voltage triggers, without incorporating […]