Led da X Volt, Y Ampere l'uno (es. 12V, 1A)
Led in serie = alimentatore da 2X volt, Y Ampere (24V, 1A)
Led in parallelo = alimentatore da X Volt, 2Y Ampere (12V, 2A)

LED - CURRENT LIMITING RESISTOR CALCULATOR Supply Voltage VOLTS Voltage Drop Across LED VOLTS Desired LED Current MILLIAMPS Calculated Limiting Resistor OHMS