Arduino Pro Opta Ext D1608E expands the real-time control, monitoring and predictive maintenance applications of your Arduino Opta with 16 programmable voltage inputs and 8 250-VAC 6-A electromechanical relays to operate your machines. By simply plugging in the module, you can flexibly and quickly expand your system's capabilities and seamlessly manage the new I/Os from the Opta base unit, taking advantage of the open and well-known Arduino ecosystem or the PLC IDE IEC 61131-3 programming environment. https://elecena.pl/product/27776667/afx00005-arduino-pro-opta-ext-d1608e-digital-expansion 2025-01-30 https://elecena.pl/product/27776667/afx00005-arduino-pro-opta-ext-d1608e-digital-expansion 2026-02-19