Arduino - Arduino 4 Relay Shield

Range of electronic hardware devices and free software (Open Source) with a re-programmable microcontroller, ideal for developing electronics projects both professionally, for education or home users. It allows to connect different input and output components (I / O), Interface that allows to carry out the automation of systems and robotics, as well as control and supply different devices. It can be programmed in Windows as well as macOSx and GNU / Linux. Specifications Arduino board built with 4 relays to handle high power loads that cannot be controlled by Arduino board digital I / O due to controller current and voltage limits. Compatible with all standard 5V and 3.3V Arduino boards. It has four LEDs to control the status of the relays, on or off. Each relay has two NC (normally closed) and NO (normally open) and two common contacts. Mounted on two 6-contact t-block terminals. Operating voltage: 5V Coil current consumption: 140 mA (with all relays on, approximately 35 mA each).