KY-0xx module SensorsCompatible with ESP32
The list of KY-0xx module sensors for your ESP32 projects, complete with wiring guides and code examples.
The KY-series sensor modules are a popular and affordable option for beginners working with ESP32 or Arduino boards. These modules cover a wide range of basic input and output functionalities including temperature sensing, sound detection, light measurement, buttons, relays, and more.
Examples include the KY-038 sound sensor, KY-040 rotary encoder, KY-024 linear Hall effect sensor, and KY-013 analog temperature sensor. Most modules use simple digital or analog pins and can be connected directly to your ESP32 or Arduino with jumper wires.
These modules are ideal for prototyping, educational kits, and learning the basics of sensor integration. Code examples and documentation are readily available for both the Arduino IDE and MicroPython/ESP-IDF on ESP32.
Sensors List
KY-001
The KY-001 is a temperature sensor module that operates within a wide temperature range. It supports 1-Wire...
KY-002
The KY-002 is a vibration switch module that detects shocks and vibrations through a conductive spring mechanism. Upon...
KY-003
The KY-003 is a Hall Magnetic Sensor Module that detects magnetic fields using the A3144 Hall-effect sensor. It provides...
KY-004
The KY-004 is a key switch module equipped with a tactile push-button. It provides a digital output signal when pressed,...
KY-005
The KY-005 is an infrared transmitter module that emits infrared light at a wavelength of 940 nm. It is commonly used in...
KY-006
The KY-006 is a passive piezoelectric buzzer module that produces sound when driven by a PWM signal. It is ideal for...
KY-008
The KY-008 is a laser transmitter module that emits a red laser beam at 650 nm with an output power of 5 mW. It is...
KY-009
The KY-009 is an RGB LED module that allows for the creation of various colors by adjusting the brightness of its red,...
KY-010
The KY-010 is a photo interrupter module that detects objects by sensing interruptions in an infrared beam. It's ideal...
KY-011
The KY-011 is a two-color LED module featuring a common cathode 3mm LED capable of emitting red and green light. By...
KY-012
The KY-012 is an active piezoelectric buzzer module that emits a 2.5 kHz tone when powered. It operates within a voltage...
KY-013
The KY-013 is an analog temperature sensor module utilizing an NTC thermistor. It provides temperature measurements in...
KY-015
The KY-015 is a temperature and humidity sensor module based on the DHT11 sensor. It provides digital output for...
KY-016
The KY-016 is an RGB LED module that can display a wide range of colors by adjusting the brightness of its red, green,...
KY-017
The KY-017 is a mercury tilt switch module that detects changes in orientation. When tilted beyond a certain angle, the...
KY-018
The KY-018 is a photoresistor module that detects ambient light levels. It outputs an analog signal corresponding to the...
KY-019
The KY-019 is a 5V relay module that enables microcontrollers to control high-voltage devices. It supports both AC and...
KY-020
The KY-020 is a tilt switch module that detects changes in orientation. It provides a digital signal output, making it...
KY-021
The KY-021 is a mini magnetic reed switch module that detects the presence of a magnetic field. It provides a digital...
KY-022
The KY-022 is an infrared receiver module capable of detecting 38kHz IR signals. It's commonly used in projects...
KY-023
The KY-023 is a dual-axis joystick module that provides analog outputs for X and Y positions, along with a digital...
KY-024
The KY-024 is a linear magnetic Hall sensor module that provides both analog and digital outputs. It is equipped with a...
KY-025
The KY-025 is a reed switch module that provides both analog and digital outputs. It is equipped with a potentiometer to...
KY-026
The KY-026 is a flame sensor module capable of detecting light in the 760 nm to 1100 nm wavelength range. It offers both...
KY-027
The KY-027 is a motion detection module featuring a mercury tilt switch and an LED. It detects tilt or orientation...
KY-028
The KY-028 is a digital temperature sensor module equipped with an NTC thermistor. It offers both analog and digital...
KY-029
The KY-029 is a dual-color LED module featuring a 3mm LED that emits red and green light. By adjusting the intensity of...
KY-031
The KY-031 is a knock sensor module that detects physical impacts or vibrations. Upon detecting a knock, it outputs a...
KY-032
The KY-032 is an infrared obstacle avoidance sensor module that detects objects by emitting and receiving infrared...
KY-033
The KY-033 is a line tracking sensor module that detects light-reflective and light-absorbing surfaces using infrared...
KY-034
The KY-034 is an automatic flashing color LED module that emits a sequence of seven colors when powered. It's suitable...
KY-035
The KY-035 is an analog Hall magnetic sensor module based on the AH49E linear Hall-effect sensor. It provides an analog...
KY-036
The KY-036 is a metal touch sensor module that detects touch via its metal tip, offering both analog and digital...
KY-037
The KY-037 is a high sensitivity sound detection module featuring an electret condenser microphone and an LM393...
KY-038
The KY-038 is a microphone sound sensor module equipped with an electret condenser microphone and an LM393 comparator....
KY-039
The KY-039 is a heartbeat sensor module that uses an infrared LED and a phototransistor to detect pulse signals. It...
KY-040
The KY-040 is a rotary encoder module that provides digital signals corresponding to the rotational position and...
KY-050
The KY-050 is an ultrasonic distance sensor module capable of measuring distances ranging from 2 cm to 300 cm with a...
KY-051
The KY-051 is a versatile voltage level shifter module that enables safe communication between devices operating at...
KY-052
The KY-052 module features the BMP280 sensor, offering accurate measurements of barometric pressure and temperature. It...
KY-053
The KY-053 is an analog-to-digital converter module featuring the ADS1115 ADC. It provides four 16-bit resolution...
KY-054
The KY-054 is a phototransistor module that detects ambient light levels and provides an analog voltage output...