This 2 Channel DC 5V Relay Module can be used to control devices with a higher voltage than what most microcontrollers, like Arduino, can handle. It is used to control high-voltage circuits that an Arduino would otherwise not be able to control directly. Instead, you use a low-voltage control signal from the Arduino to control the relay module, which is capable of handling and switching high-voltage or high-power circuits. This 2 Channel DC 5V relay module can control typical household appliances up to 10A.

WARNING: Mishandling or incorrect or improper use of relays could result in serious personal injury or DEATH, possible physical damage of the product, faulty operation or create serious/dangerous hazards.

Please make sure that you read and understand how your relay/relay module board works, the voltage and current it is rated for, and the risks involved in your project BEFORE you even attempt to start putting it together. Seek professional and qualified assistance BEFORE you undertake ANY high power projects. Do your research and seek advice BEFORE undertaking a project using a relay. Please check your connections and test them BEFORE turning the power on.

Wiltronics accepts no responsibility for your project, or the risk/damage/fire/shock/injury/death/loss that it causes.

Please note: It is illegal in some countries to wire up a high power project without an electrician. Please check your country's rules/laws/regulations before you undertake your project. If you have any doubts - don't do it.