programmable thermostatic radiator valve
#thermostat
#radiator valve
#programmable
#temperature control
#smart home
#actuator
#sensor
#energy saving
#HVAC
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Gate automatic lamp circuit
The circuit utilizes multiple integrated circuits to form an automatic lighting device that is activated by door and window sensors. It includes CD4093 digital integrated circuits, a relay, and a power supply circuit. The system typically remains closed when a...
Scoobas Solution Sensing Tactic
This document serves multiple purposes, primarily to document the methods employed by a Scooba robot to detect: a) the presence of an acceptable cleaning solution being delivered to its pump, and b) the excess presence of used solution collected off...
Three temperature switch circuits
Electronic temperature control circuit for imported car air conditioners. It utilizes operational amplifiers A1 and A2, specifically the LM393 model. An adjustment potentiometer (RP) is included, allowing modification of the temperature range. The adjustment range includes a power temperature setting...
Automatic Room light Control With Bi Directional Visitor Counter
The objective of this project is to create a controller-based model that counts the number of individuals entering a specific room and activates the lighting accordingly. This is achieved through the use of sensors that detect the current number of...
Electronic Thermostat and Relay Circuit
A simple thermostat circuit that can control a relay to supply power to a small space heater through the relay contacts. The relay contacts must be rated above the current requirements for the heater. Temperature changes are detected by a...
Programmable Stiffness Joint
The Programmable Stiffness Joint is a device capable of internally modifying the rotational stiffness of a simple pivot joint. It serves as a proof-of-concept for future work aimed at developing a model to determine the respective damping and stiffness components...
Programmable Clock Oscillator
This is a voltage controller oscillator that was designed as a wide range oscillator to generate clock pulses for a stepper motor drive system. It does however have some interesting features. The original application used a stepper motor for its...
Field disturbance sensor-alarm
The change in ambient light triggers the alarm by changing the resistance of LDR1 and LDR2.
The circuit utilizes two light-dependent resistors (LDR1 and LDR2) to detect variations in ambient light levels. LDRs are passive components that exhibit a change in...
Electric Heater Thermostat
One advantage of these two units is that the sensor can be placed away from the heater, allowing it to sense the actual room temperature rather than the direct heat from the heater. These units can also be used in...