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Programmable

Programmable 35238-MP Timer Module? How to Use it

Last Updated on April 19, 2025 by Swagatam 21 Comments

So this 35238-MP Multi-Function Timer module is an digital adjustable programmable timer which we can use it for doing time-based automation things. Inside it, there is a microprocessor that watches time very closely and makes the relay turn ON or OFF after a set time. So this thing is good when we want to turn […]

Filed Under: Timer and Delay Relay Tagged With: 35238, Module, MP, Programmable, Timer

Arduino 2-Step Programmable Timer Circuit

Last Updated on May 14, 2026 by Swagatam 57 Comments

Arduino programmable timer circuit

In this article I have explained how to make a simple 2-step Arduino programmable timer circuit, which can be used to switch an electrical load ON/OFF with independently adjustable ON and OFF timings. For example if you want a light to remain ON for 24 hours and OFF for 2 hours, you can simply do […]

Filed Under: Arduino Projects, Timer and Delay Relay Tagged With: Arduino, Programmable, Step, Timer

Programmable Solar Porch Light Circuit

Last Updated on December 21, 2023 by Swagatam 25 Comments

solargardenlightwithtimercircuit

In this post I have explained a porch light circuit with programmable timer controller which enables the connected LEDs to light up or shut off after some delay, as preferred by the user, thus it’s not entirely dependent on the solar panel parameters. The idea was requested by “Unknown”. Technical Specifications It’d be neat if […]

Filed Under: Solar Controller Circuits, Timer and Delay Relay Tagged With: Light, Porch, Programmable, Solar

Programmable Temperature Controller Circuit with Timer

Last Updated on January 8, 2024 by Swagatam 3 Comments

programmable temperature controller circuit

Here I have explained about a circuit configuration which produces adjustable sequential timing outputs for controlling a heater device through a simultaneously sequencing temperature controller circuit which can be also pre-programmed for acquiring the desired temperature levels across the sequencing time slots. The idea was requested by Mr. Carlos Technical Specifications I’m Carlos and I […]

Filed Under: Temperature Controllers, Timer and Delay Relay Tagged With: Controller, Programmable, Temperature, Timer

Programmable Automatic Starter Circuit for Diesel Water Pump

Last Updated on January 23, 2021 by Swagatam 7 Comments

Programmable Auto Starter Circuit for Diesel Water Pump

In this post I have explained a programmable Auto-Starter circuit which may be used for getting a pre-programmed set of automatic sequential operations over a  Diesel Water Pump as intended by the user. The idea was requested by Mr. Scott. Technical Specifications I am currently trying to figure out how to make up an auto […]

Filed Under: Water Controller Tagged With: Automatic, Diesel, Programmable, Pump, Starter, Water

Programmable Humidity Controller Circuit

Last Updated on January 26, 2026 by Swagatam 46 Comments

humiditysensorcircuit

The simple programmable humidity sensor circuit I have explained in this article can be used for controlling or maintaining a suitable level of humidity inside a close premise. The circuit could be used in poultry farms or similar areas where humidity level becomes crucial for keeping the animals healthy. The idea was requested by Mr. […]

Filed Under: Water Controller Tagged With: Controller, Humidity, Programmable

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