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Newly Updated Circuit Projects:

Maintenance Tips for Lead Acid Battery

Last Updated on July 18, 2019 by Swagatam 3 Comments

In this post I have explained some of the crucial parameters related to lead acid battery maintenance tips for ensuring longer life to the device. The questions were asked by Mr. Raja Gilse, answered by me. What is Full Charge Voltage of a 12V Battery Question: What is the full charge volt of the 12 […]

Filed Under: Inverter Circuits Tagged With: Acid, Battery, Lead, Maintenance, Tips

Industrial Valve Switching Detector Indicator Circuit

Last Updated on July 15, 2019 by Swagatam Leave a Comment

frequency2Bto2Bvolatge

In this post I have explained a circuit idea which can be used for identifying the switching pattern of set of valves from a remote location, using just two wire from the valve sets to the indicator circuit at the distant location. The idea was requested by Mr. Andreas. Technical Specifications Here is another circuit […]

Filed Under: Sensors and Detectors Tagged With: Detector, Indicator, Industrial, Switching, Valve

Battery Backup Time Indicator Circuit

Last Updated on July 15, 2019 by Swagatam 2 Comments

In this post I have explained a battery backup time indicator circuit for monitoring the battery power usage by the connected load and for estimating the approximate remaining backup time of the battery. The idea was requested by Mr. Mehran Manzoor. Circuit Objectives and Requirements I want a circuit which shows remaining time of backup […]

Filed Under: Battery Charger Circuits Tagged With: Backup, Battery, Indicator, Time

Speed Dependent Brake Light Circuit

Last Updated on July 15, 2019 by Swagatam 9 Comments

Tachometer

In this post I have explained an innovative brake light circuit using speed detection of the vehicle which could be a motorcycle. The circuit implements an advanced brake light switch ON ensuring a much safer riding experience for the user. The idea was requested by Mr. Rayan. Circuit Objectives and Requirements I have an idea, […]

Filed Under: Automobile Electronics Tagged With: Brake, Dependent, Light, Speed

Camper, Motorhome Battery Charger Circuit

Last Updated on July 15, 2019 by Swagatam Leave a Comment

offshore 2

In this post I have explained a battery charger circuit specifically designed for camper and motorhome applications, so it can serve as an effective camper/motorhome battery charger circuit operating through any shore power supply source. The idea was suggested by “music girl”. Battery Charger for Motorhomes Based on this customized battery charger circuit I would […]

Filed Under: Battery Charger Circuits Tagged With: Battery, Camper, Charger, Motorhome

How to Set IC 741 for Auto Cut-oFF

Last Updated on July 15, 2019 by Swagatam 102 Comments

pcb 1

In this post I have explained how to set or adjust an opamp 741 IC based battery charger circuit for implementing an automatic cut-off for the connected battery once it reaches the full-charge level. Since I have many such IC 741 battery charger circuits posted here, the instructions will be helpful for correctly setting up […]

Filed Under: Battery Charger Circuits Tagged With: 741, Auto

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