KA2284 Power Level Indicator Battery Pro Audio Level Indicator Module can be used for battery charge level indicator (DC) or audio level indicator (AC), AC and DC signals can be controlled by jumper. There are four onboard battery indicator light-emitting diodes (LEDs), three types of color display,..
KQ-330 Power Line Carrier module is designed to communicate between two devices through a Power line (e.g 220V power line) without any extra components.
The PLC can transmit the broadband data via the power lines, which are suitable for either residential (at-home) or commercial (offices, apartme..
The KY-005 Infrared Transmitter Module consists of just a 5mm IR LED. It works together with the KY-022 IR receiver module. Compatible with popular electronics platforms like Arduino, Raspberry Pi, and ESP8266.
Features:
This is a 38KHz Infrared IR transmitter sensor module For Arduino
Tr..
KY-010 Photo Interrupter Module for Arduino will trigger a signal when light between the sensor's gap is blocked.
KY-010 Photo Interrupter module consists of an optical emitter/detector in the front and two resistors (1 kΩ and 33 Ω) in the back. The sensor uses a beam of light between de emitter..
KY-011 5mm Two-color LED module for Arduino emits red and green light. You can adjust the amount of each color using PWM. Products are widely used in many areas, electronic dictionary, PDA, MP3, headphones, digital cameras, VCD, DVD, car audio, communication, computer, charger, power amplifier, inst..
KY-013 Analog Temperature Module is based on the thermistor (resistance increases with the ambient temperature changes) which sense the real-time temperature of the surrounding environment changes. Change in temperature data in analog form can be taken from this module on analog IO pins, then throug..
KY-017 Mercury Sensor Module consists of a mercury switch, a 680Ω resistor, and a LED that will light up when tilt is detected. The mercury ball will open/close the circuit when the module is rotated.
The Mercury switch module and digital 13 interfaces come with LED to build a simple circuit, the..
The KY-022 is equipped with three pins. It responds to a frequency of 38kHz at 940nm. This signal is sent via the digital output. If an IR signal is detected, the LED module on board will light up. This sensor module can be used to decode remote controls for home theaters and other remote controls t..
Introducing the KY-024 Digital Magnetic Linear Hall Sensor, a small, multipurpose sensor that can accurately detect magnetic fields. This sensor provides precise readings for a range of applications by utilizing Hall effect technology.
When searching for a dependable and small sensor for magnetic..
KY-025 Reed Sensor Module, an electrical switch consisting of a pair of contacts on ferrous metal reeds. It gets operated by the applied magnetic field. When the device is exposed to a magnetic field, the two ferrous materials inside the switch pull together and the switch closes. When the magnetic ..
KY-029 3mm Two-color LED module for Arduino emits red and green light. You can adjust the amount of each color using PWM.
Features:
Diameter:3mm
Package-Type:Diffusion
Color:Red + Green
Luminosity Intensity (MCD)
Package Includes:
1 x KY-029 3mm Two-Color LED Module...
KY-034 7 Color Flashing LED Module is a module with an auto-flash led that can flash up to 7 colors. No programming needed. Just connect it with the power supply and it’ll work.
Features:
Working voltage: 3.0 -4. 5v
5mm round head led.
light color: pink, yellow, green (highlight)
..