When using the Arduino do interactive projects, a lot of heavy current or high voltage equipment is usually not directly use the Arduino digital IO port control(such as solenoid valves, lights, motors, etc.), can consider to use solutions of relay.
Arduino Relay shields is to use pine le Relay with high quality, provide 4 road input and output, the highest can meet 250 v / 10A communication device Or dc 24 v /10A equipment, thus can be used to control lights, motors, etc.
Modular design makes it easy to plate is connected with the Arduino extension. Relay output state is represented by a light emitting diode, convenient and practical use.
It is double-sided compacted PCB and it is also high quality.
It has Opto-Isolated inputs. And optoisolated inputs mean digital electronics are safe and noise-free.
This 6 relay module board is active low 5V.
This board consists of 6 relays, and this board can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, PLC, etc.
These relays are used to control various appliances and other equipment with large current.
Its maximum output contact is AC 250V, 10A, and DC 30V 10A.
Its standard interface can be directly connected with the microcontrollers.
There are red working status indicator lights and it shows the safe use of the conductive.
It is widely used for all MCU control.
It is also used in the industrial sector, PLC control, smart home control.
The DHT22 is a high-precision digital temperature and humidity sensor module ideal for Arduino, Raspberry Pi, ESP8266, IoT systems, smart homes, and weather stations. With stable output, wide range, and digital signal interface, it’s perfect for climate monitoring, automation, and data logging projects.
DS18B20 Temperature Sensor Module is a digital temperature sensor, and you can easily connect it to Arduino with only one 4.7-pound resistor, base 1 – Ground 2 – Output – Base 3 to the positive of the source, with resistance to base 2 Is connected. The connection of this sensor to the Arduino via the 1-wire protocol is established. Therefore, several sensors can be connected only through one common wire to Arduino. The output is digitally accurate to 12 bits. Therefore, the temperature can be measured with a precision of 0.0625 º C.
The IR Flame Sensor Detection Module detects fire-like infrared light at 760nm–1100nm. Operating at 3.3V–5V, it’s ideal for Arduino, robotics, smart fire alert systems, and STEM projects. Features onboard comparator, digital/analog output, and high sensitivity to flame intensity. Perfect for fire safety automation and DIY electronics in Johar Town, Lahore.
The KY-008 Laser Sensor Module operates at 5V and emits a focused 650nm red laser beam. Designed for Arduino, IoT, robotics, and automation projects, it offers precise targeting and easy interfacing. With low current consumption (30mA), it’s ideal for compact embedded systems. Use it in laser communication, tripwire alarms, laser pointers, or distance-sensing systems.
This 3-Pin LM393 Photosensitive Sensor Module features a built-in comparator for accurate light detection. Operating at 3.3V–5V, it provides both analog and digital output. Perfect for Arduino projects, IoT systems, smart lighting, and light-sensitive automation circuits.
Detect hazardous Hydrogen Sulfide (H₂S) gas with the MQ136 Gas Sensor Module. Operating at 5V, this module features high sensitivity, low power consumption, and a fast response time. Ideal for Arduino, Raspberry Pi, and IoT gas monitoring systems. Output: Analog & Digital. Widely used in air quality monitoring, industrial safety, and smart home projects.
Key Features:
Applications: