The post explains a simple method of automatically switching ON an inverter fan whenever the unit is operating in the charging mode or inverter mode, in order to ensure optimum cooling of the internal power devices. The idea was requested by Mr. Sudip Bepary.
Nov 25, 2016
In this post, we are going to see how to use an accelerometer with arduino and extract useful readings, which will be printed on serial monitor of IDE. We will also be exploring how accelerometer works in a nutshell and its applications.
Nov 22, 2016
The post details a simple remote controlled solar lamp intensity controller circuit which can be used for controlling the street lamp LED intensity without practically reaching for the LED box. The idea was requested by one of the dedicated members of this website
Nov 19, 2016
In this inverter design we use a 4017 decade counter and a ne555 timer Ic to generate a sinewave pwm signal for the inverter and an Arduino based automatic high/low battery cut-off with alarm.
Nov 18, 2016
In this post we are going to construct a farmer friendly GSM pump motor controller circuit which could turn on and off the irrigation system remotely from anywhere in the world via SMS and return you with an acknowledgement message. The idea was requested by Mr. PG Ragavandir.
Nov 17, 2016
The post explains an LED based intruder position indicator circuit which will indicate the position of the burglar throughout the secured corridor as the person tries to sneak past the area.The idea was requested by Mr. Michael.
In this post, we are going to construct a laser security circuit which can send SMS alert to owner of the property or anyone else and activate loud alarm to deter the crook, which can be interfaced via relay.
Nov 7, 2016
The post discusses a simple material storage level controller circuit which can be used for automatically activating and deactivating a storage filling motor whenever the storage container is filled to its stipulated threshold level. The idea was requested by Mr Sladjan.
In this post, we are going to construct a battery level indicator using Arduino, where a series of 6 LEDs show the level of the battery. If you are interested in monitoring and maintenance of your 12V battery, this circuit might become handy.
Nov 6, 2016
The post presents a simple transformerless 1.5V DC power supply circuit which can be used for powering wall clocks directly from mains, and also keep a stand by back-up cell fully charged for enabling an uninterrupted operation of the clock even during mains failures. The idea was requested by Cheekin
Nov 5, 2016
In this post we learn how to build a 10kva solar grid inverter changeover circuit which also includes a low battery protection feature. The idea was requested by Mr. Chandan Parashar.
Nov 4, 2016
In this post, we are going to construct a over discharge protection circuit for 12v battery using Arduino which can protect 12V SLA battery against over discharge, and also protect the connected load from overvoltage in case of overcharged battery is connected.
Nov 3, 2016
The post details a timer circuit for submersible borewell pumpset which alternately switches the pumpset ON/OFF at a predetermined rate in order to allow the ground water sufficient time to restore at regular intervals and to ensure a consistent water supply to the attached overhead tank. The idea was requested by Mr. Siva.