To provide 3.3V to the on board ATtiny84A you can use the plated through hole labeled
3V3
on the four pin
header. Alternatively, you can plug a Qwiic connector into one of the two Qwiic connectors.
Relays
There are four single pole, double throw JZC-11F relays on the Qwiic Quad Relay. Each relay is capable of 5
Amps at 250VAC or 30VDC. These relays have an associated
blue screw pin terminals
that are aligned in order
from left to right.
LEDs
There is a red power LED labeled
PWR
that indicates power from the barrel jack. There is also a blue stat LED for
each relay labeled with their respective number
1-4
. Whenever a relay is activated (i.e. when COM is connected to
NO), the respective LED will light up.
