Features:
- Each relay has an LED to indicate when it is operated.
- Screw terminals are included on the board for cable connection.
- Relay outputs can be used to turn ON/OFF lights, motors and other devices.
- TTL level inputs for direct connection to microcontroller output pins.
- INPUTS accept 0/5Volts and 0/12Volts control voltage.

Input LOW Voltage:
0V
Input HIGH Voltage:
3.3 - 12V

Relay used:
RAS-0515

Relay's datasheet:
https://www.sigma-shop.com/manuals/RAS.pdf

Specifications:
Relays have Normally Open (NO) and Normally Closed (NC) Contacts each capable of switching max:
- 12VDC/15A
- 24VDC/15A
- 125VAC/15A
- 250VAC/10A

Model:
LPT8REL05V

Contents:
- assembled and tested relay's board
- DB25 LPT connector with 10PIN 1 meter flat cable.

Power Supply:
Requires external 5V DC / 500mA

Dimension:
120mm / 80mm / 20mm

Links:
Manual - https://info.kmtronic.com/manuals/kmtronic_8_relay_lpt_manual.pdf