Specification & Features
• This device has optical isolation on the logic side and is suitable for use in both industrial situations and domestic installations, the logic lines don’t come into contact with the supply at all unless they share the same power source. Compatible with Arduino, Raspberry Pi and more, use it as a shield to connect almost any relay to your microcomputer.
• Power supply input is to match your relay’s coil. We recommend that you do not exceed 36v with this board. 5v, 12v or 24v are all ideal suggestions if you have flexibility with your design.
• Compact industrial grade board does not flex or separate and has no moving parts to break.
• Screw terminals on connectors, no soldering to the board needed. Most of our products are produced using slotted screws but we can not guarantee this unless requested.
• Works directly at the logic level from a parallel port, AVR, Arduino, PIC, ARM, 8051 and many other microcontrollers and interfaces that use ‘TTL’ or CMOS logic levels, low level current will not damage or overload signal pins. People have previously wired this device into computer motherboards and burglar alarms without problems and been able to switch more demanding devices.
• CE Mark, RoHS and WEEE compliant, manufactured in the UK.
If you are not sure about logic types or are confused about active high and active low labelling, check out this post: ‘What’s the difference? Active High and Active Low Relay Boards?’
Saved our skin! We had a rotary shaft encoder that was built into a giant food mixing machine and couldn’t be replaced, the original board we had controlling it blew (probably from age!) and it was impossible to source a replacement. The new one only worked with a ground switched output so we would probably have ended up replacing the whole mixer if it had not been for this little gizmo.