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Ultrasonic Wireless Water Level Indicator – Solar Powered

In this post we are going to construct a ultrasonic based solar powered wireless water level indicator using Arduino in which the Arduinos would be transmitting and receiving at 2.4 GHz wireless frequency. We will be detecting the water level in the tank using ultasonics instead of traditional electrode method. Overview Water level indicator is … Read moreUltrasonic Wireless Water Level Indicator – Solar Powered

Automatic Bathroom/Toilet Engage indicator Circuit

The post explains a very simple automatic bathroom/Toilet Engage indicator circuit which can be installed with any relevant door bolt for implementing the actions. The idea was created and submitted by Mr. Sandipan. The Design I have one more idea that need your help. I would like to implement is at my home ( just … Read moreAutomatic Bathroom/Toilet Engage indicator Circuit

Battery Current Indicator Circuit – Current Dependent Charging

In this post we learn about a simple battery current sensor with indicator circuit which detects the amount of current consumed by the battery while charging or by any other load and displays it through discrete LEDs. Battery Charging by Detecting Current Commonly most battery charging indicators utilize the voltage level of the battery to … Read moreBattery Current Indicator Circuit – Current Dependent Charging

Battery Charging Fault Indicator Circuit

The article explains a battery status indicator circuit which can be also used as a battery charging fault indicator circuit. The idea was requested by Mr. Faizan. The Design The idea presented here takes care of all the parameters required for charging a battery ideally and safely. Referring to the shown battery charging fault indicator … Read moreBattery Charging Fault Indicator Circuit

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