Relay Shield for Arduino
Relay Shield for Arduino - Control more appliances with your Arduino board using this relay shield! This shield has four mechanical relays on it. It can control voltages up to 35VDC 70W on each channel. The Arduino board can control each relay separately using its IO pins with an external 9V DC supply. This version has four selectors that conveniently control the relays manually
Note: The pins on the relay shield should not touch the USB connector of Arduino Uno when they are connected.
Frequently Asked Questions AboutRelay Shield For Arduino
Q1: What is a Relay Shield for Arduino?
A Relay Shield for Arduino is an expansion board that can be connected to an Arduino micro-controller to control high voltage and high current devices using relays.
Q2: What are the applications of a Relay Shield for Arduino?
The Relay Shield can be used for a wide range of applications such as home automation, industrial control systems, robotics, and other electrical systems that require the control of high voltage and high current devices.
Q3: How many relays are available on a typical Relay Shield for Arduino?
The number of relays varies depending on the specific shield, but most shields come with 2 to 4 relays.
Q4: What is the maximum current and voltage rating of a Relay Shield for Arduino?
The maximum current and voltage rating depends on the specific shield, but most shields can handle a maximum current of 10A and a maximum voltage of 250V.
Q5: What is the control voltage required for a Relay Shield for Arduino?
The control voltage required for a Relay Shield for Arduino is typically 5V or 12V, which is supplied by the Arduino board.
Q6: How do I connect a Relay Shield to an Arduino board?
The Relay Shield can be easily connected to an Arduino board by simply plugging it into the Arduino's header pins.
Q7: Can I control multiple Relay Shields using a single Arduino board?
Yes, multiple Relay Shields can be connected to a single Arduino board to control multiple high-voltage and high-current devices.
Q8: Can the Relay Shield be used with other microcontrollers besides Arduino?
Yes, the Relay Shield can be used with other microcontrollers that have compatible header pins, but the code for controlling the relays may need to be modified to match the specific microcontroller.
- Arduino Uno and Arduino Mega compatible
- Automatic control and manual control
- Four mechanical relays with photo-coupled circuit
- Equipped with screw holes for easy installation
- Small form factor
- Voltage: 7~12V
- Current: 8~250mA
- Switching Voltage: Max 35V
- Switching Current: Max 2A
- Frequency Response: -1~1dB
- Switching Power: Max 70W
- Relay Life: > 100000