The KY-028 Digital Temperature Sensor measures temperature changes based on thermistor resistance. This module has both digital and analog outputs, there’s a potentiometer to adjust the detection threshold on the digital interface.
Compatible with Arduino, Raspberry Pi, ESP32, and other microcontrollers.
KY-028 Specifications
This module consists of an NTC thermistor, an LM393 dual differential comparator, a 3296W trimmer potentiometer, 6 resistors, 2 LEDs, and 4 male header pins. The module features analog and digital outputs.
Operating Voltage
3.3V ~ 5.5V
Temperature Measurement Range
-55°C to 125°C [-67°F to 257°F]
Measurement Accuracy
±0.5°C
Board Dimensions
15mm x 36mm [0.6in x 1.4in]
Connection Diagram
Connect the board’s analog output (A0) to pin A0 on the Arduino and the digital output (D0) to pin 3.
Connect the power line (+) and ground (G) to 5V and GND respectively.
KY-028
Arduino
A0
Pin A0
G
GND
+
+5V
D0
Pin 2
KY-028 Digital Temperature Sensor Module
Default Title
Robot Pi Shop
Pickup available,usually ready in 1 hour
Ground Floor Shop, Sayde Street, Fanar Matn 1202 Fanar Lebanon
