Depending on the position of the pins VCC and GND in our relay, We will place this jumper relays in one module, or another position to invest them; always bearing in mind that Relay plate must be powered by USB.
Kulingana na nafasi ya vigingi VCC na GND katika relay yetu, Tutaweka hii jumper zile za kubadilishana katika moduli moja, au mahali pengine kuwekeza kwao; daima kuzaa katika akili kwamba Relay sahani lazima powered na USB.