Ono stačí na ebay zadat relay module 5V high level trigger https://www.ebay.com/itm/5V-1-Channel-Relay-Module-WITH-OPTO-Isolation-High-And-Low-Level-Trigger/272654855653?epid=835824140&hash=item3f7b7eede5:g:XFIAAOSwjfNZnot7https://www.ebay.com/itm/1-Channel-Relay-Module-High-Level-Trigger-Expansion-Board-for-Arduino-Relays-5V/261966674558?epid=2118820358&hash=item3cfe6e3a7e:g:mSEAAOSwDNdVn0bchttps://www.ebay.com/itm/5V-4-Channel-Relay-Module-with-Optocoupler-High-Low-Level-Trigger-for-Arduino/201658287598?hash=item2ef3c545ee:g:Oc4AAOSw8oFXx~zkhttps://www.ebay.com/itm/5V-8-channel-Relay-module-isolation-High-low-level-trigger-FOR-Arduino-uno-R3/181870113008?epid=885265583&hash=item2a584db0f0:g:GcYAAOSwEetV9wwR