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Water Level Controller Circuit using Transistor and Relay

Water Level Controller Circuit using Transistor and Relay

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  •  April 24, 2023
  •  Water Level Controller Circuit using Transistor and Relay
  •  Posted by Marcel at 6:00 am
  •  2 Responses
  •  Controler-circuits

This simple Water level controller circuit is useful to control the water level in a tank. It does this by turning On and Off a water pump depending on the status of the sensors.

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Thermistor Controlled Fan Circuit - AC Fan

Thermistor Controlled Fan Circuit – AC Fan

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  •  April 10, 2023
  •  Thermistor Controlled Fan Circuit – AC Fan
  •  Posted by Marcel at 10:06 am
  •  No Responses
  •  Controler-circuits

This circuit varies the speed of a fan plugged into a 110- or 220-volt outlet using only three transistors and a few additional components

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DC motor speed control using the 4049 IC

DC motor speed control using the 4049 IC

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  •  October 10, 2022
  •  DC motor speed control using the 4049 IC
  •  Posted by Marcel at 5:13 pm
  •  No Responses
  •  Controler-circuits

This DC motor speed controller enables you to adjust the speed of small 3 or 6 volt DC motors, which are commonly found in toys and small electronic devices.

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DC motor speed controller circuit using a 555 timer.

DC motor speed controller circuit using a 555 timer.

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  •  May 19, 2022
  •  DC motor speed controller circuit using a 555 timer.
  •  Posted by Marcel at 5:00 pm
  •  No Responses
  •  Controler-circuits
  •  Tagged with: dc motor

This simple DC motor speed controller circuit works at 12 volts and controls a DC motor using a 555 integrated circuit.

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Water level controller circuit using CD4001

Water level controller circuit using CD4001

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  •  March 18, 2021
  •  Water level controller circuit using CD4001
  •  Posted by Marcel at 8:22 am
  •  No Responses
  •  Controler-circuits
  •  Tagged with: CD4001

This water level controller circuit controls the water level in a tank. Unlike mechanical controls that use a floating buoy, this circuit uses two sensors, an upper sensor and a lower sensor

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Dimmer / AC Motor Speed Controller Circuit using TRIAC

Dimmer / AC Motor Speed Controller Circuit using TRIAC

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  •  November 30, 2020
  •  Dimmer / AC Motor Speed Controller Circuit using TRIAC
  •  Posted by Marcel at 12:26 pm
  •  No Responses
  •  Controler-circuits

A very simple circuit that can be used to control the speed of an AC motor or the level of a room light using a TRIAC.

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Soldering Iron Temperature Controller (TRIAC - DIAC)

Soldering Iron Temperature Controller (TRIAC – DIAC)

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  •  November 27, 2020
  •  Soldering Iron Temperature Controller (TRIAC – DIAC)
  •  Posted by Marcel at 8:11 am
  •  No Responses
  •  Controler-circuits

Very simple soldering iron temperature control system you can make yourself. It uses very few components. Ideal for DIY projects and circuits

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Electronic Thermostat Circuit using transistors

Electronic Thermostat Circuit using transistors

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  •  October 15, 2020
  •  Electronic Thermostat Circuit using transistors
  •  Posted by Marcel at 8:43 am
  •  No Responses
  •  Controler-circuits

This circuit allows us to control the temperature of a room, turning a heating device on and off. Very useful in winter and in very cold places.

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H-Bridge DC Motor Control Circuit

H-Bridge DC Motor Control Circuit

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  •  August 30, 2020
  •  H-Bridge DC Motor Control Circuit
  •  Posted by Marcel at 1:04 pm
  •  No Responses
  •  Controler-circuits

This circuit allows us to apply voltage to a DC motor in either direction (forward or reverse) using a control circuit.

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Automatic Water Level Controler Circuit

Automatic Water Level Controler Circuit

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  •  August 19, 2020
  •  Automatic Water Level Controler Circuit
  •  Posted by Marcel at 11:11 am
  •  No Responses
  •  Controler-circuits

This circuit ensures that an elevated tank always has enough amount of water. Perfect for 2 or more stories buildings or houses

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Differential Temperature Controller (PCB)

Differential Temperature Controller (PCB)

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  •  December 4, 2019
  •  Differential Temperature Controller (PCB)
  •  Posted by Marcel at 10:17 am
  •  No Responses
  •  Controler-circuits

This circuit measures the temperature difference between 2 sensors and activates a relay when they are different. It is also possible to detect a temperature change, even when the two measured temperatures are normally different.

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Heat control using thermistor and TRIAC

Heat control using thermistor and TRIAC

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  •  February 15, 2017
  •  Heat control using thermistor and TRIAC
  •  Posted by Marcel at 4:53 pm
  •  No Responses
  •  Controler-circuits

This circuit is designed to control the temperature of a room, either by using a heat source, such as an electric oven heater, or by using a fan or other cooling device.

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