electronic temperature controlled relay
#temperature sensor
#relay
#control circuit
#thermostat
#automation
#temperature control
#switching
#electronics
#DIY
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Dispenser Aucma temperature detection control circuit
The dispenser (Aucma) temperature detection control circuit is designed to manage the temperature of the dispenser. It consists of two primary components: a heating control circuit and a fresh cabinet control circuit that provides power to an ozone generator. This...
On-Off Temperature Control
This circuit controls a load, specifically a DC brushless fan, based on temperature compared to a setpoint. The transducer used is a diode operating in the forward polarization regime. When forward-biased, the forward voltage drop across the diode exhibits a...
LM135/235/335 Centigrade Thermometer
The LM135/235/335 temperature sensor is designed for ease of absolute temperature reading, providing all positive values for any frequency. This is why a voltage of 2.7315V is observed at 0 degrees.
The LM135/235/335 series of temperature sensors are precision devices that...
relay In a circuit being switched by an NPN transistor do power supply and input need the same ground
Create a circuit that enables the activation of a relay to control an LED. The relay operates at 12 V, while the available input voltage is 5 V. An NPN transistor will be utilized to switch the power to the...
automatic pet feeder
An automatic feeder dispenses food based on the activation of a series of buttons, which interface with a system controller and a food dispenser. The system is designed for intelligent processing of inputs and outputs, allowing dynamic configuration of button...
Automatic-fan-speed-controller
The controller circuit is designed to reduce a fan's noise, power consumption, and wear, especially when operating in low, fluctuating ambient temperatures. A temperature sensor is mounted in the fan's airstream, allowing the circuit to adjust the fan speed as...
Audio Thermostat LM56 ProjectCircuit
The LM56 Thermostat Project Circuit Diagram includes a schematic for the LM56 thermostat. The values of resistors R1, R2, and R3, which determine the required trip points VT1 and VT2, can be calculated using the following equations: VT1 = 1.250V...
Wireless temperature monitor has data-logging capabilities
Tom Au-Yeung and Wilson Tang from Maxim Integrated Products describe a method to create a wireless temperature monitoring system using two integrated circuits (ICs). This system can be designed utilizing a local temperature sensor along with an amplitude-shift-keying (ASK) transmitter...
High-performance power supply LM334
The circuit functions as a switching power supply designed to operate alongside a linear regulated power supply. Key characteristics include high efficiency and low dropout voltage. It effectively filters out high-frequency ripple voltage and manages instantaneous voltage variations, making it...