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. By Girish Radhakrishnan Overview Water […]
Tank Level Controller
SMS Based Water Supply Alert System
In this post we are going to construct a circuit which will notify the user via SMS if the water supply to you area / home is initiated. It can show the time when the water is begin to supply and ended, average water flow speed in liter per minute and total water delivered to […]
Simple Digital Water Flow Meter
In this post we are going to construct a digital water flow meter using Arduino and 16 x 2 LCD display. We will be taking a look at YF-S201 water flow sensor, its construction and working and how to interface with Arduino to extract some useful readings. By Girish Radhakrishnan The proposed project can measure […]
Anti-Corrosion Probes for Water Level Controller
In this post we learn how to make anti-corrosion probes for water level sensor and controller circuits by using alternating supply across the probes. How it Works Let’s understand the concept used behind the designing of this anti-corrosion probe circuit for water level sensors and controllers. Corrosion in water level sensor probes take […]
Car Tank Water Sensor
The article explains a simple car tank water sensor alarm circuit using IC 555 and a pulsating signal on the sensing probes to pevent corrosion on the probes. The idea was requested by Mr. Peter. A “No Water Alarm” Circuit for Cars I couldn’t find how to post a project proposal on your website. May […]
Two Pipe Water Pump Valve Controller
The article explains how to control a two pipe submersible pump valve to ensure that the pipe bringing in the municipal water is always given the main preference to the bore-well water source. The circuit is also equipped with a tank overflow cut-off feature. The idea was requested by Mr. Prashant. Two Pipe Water Pump […]
GSM Pump Motor Controller using Arduino
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 cellphone SMS and return you with an acknowledgement message. The idea was requested by Mr. PG Ragavandir. By: Girish Radhakrishnan Implementing GSM […]
Make this Touch free Faucet for Hands-free Tap Control
A very simple touch free faucet circuit or touch free tap circuit can be built using as little as an IC 555 and a few passive components, in order to implement a contact less water supply operation from the attached facet or the tap. Drinking Water is Precious Pure drinking water which we normally get […]
How to Make a Soil Moisture Tester at Home with a Single IC 741
A very simple mud or soil moisture tester circuit can be built by using a single opamp and a few passive components, let’s learn the details through the following article. Circuit Objective After water and sunlight the earth or the soil is the next most important natural gift that this planet has provided us with, […]
Single Phase Jet Pump Controller
The post explains a simple single phase jet water pump controller circuit using magnetic reed switch level sensor, and a set/reset circuit. The idea was requested by Mr. Nanigopal mahata Technical Specifications I am your blog follower,, i searched all the blogs for automatic submersible pump controller but i can’t understand which one is single […]
Automatic Evaporative Air Cooler
In this post we study a simple moisture sensor circuit which enables an evaporative air cooler to automatically restore the wetness level of its evaporative pad by detecting its moisture level and by activating the water pump accordingly. The idea was requested by Mr. Ankur shrivastava Technical Specifications sir could you please help me to […]
Submersible Pump Start/Stop
The post explains an automatic submersible pump start, stop circuit with dry run protection in order to implement an automatic ON/OFF switching of the motor in response to the high/low water levels of the overhead tank. Circuit Concept In one of the previous posts we learned a similar concept which also dealt with an automatic […]
Borewell Motor Pump Starter Controller
The post explains a circuit which controls a submersible borewell motor by operating its red (Start) and green (Stop) buttons, in response to low level, high level water conditions, and also in a condition where the motor may experience a dry run situation. The idea was requested by Mr. Vamsi. Automatic Start/Stop Controller for Borewell […]