Arduino TC4+ Quick Start Manual page 4

BT HDR
BT SEL jumper
(set to BT Serial)
IO2 & IO3
headers
OT1 & OT2
status LEDs
I2C headers
Figure 3: Layout of all connectors, jumpers and status LEDs on the TC4+
board.
Bluetooth header
BT SEL
OT1LED
OT2LED
I2C
- OT2 + - OT1 +
OT1 & OT2
headers
4
Thermocouple header
Power LED
CH2- CH2+ CH1- CH1+ CH4- CH4+ CH3- CH3+
INPUT FAN
GND VIN DC+ DC-
DC input
DC (fan) output
BT RST jumper
(BT Reset enabled)
TC4+
POWERLED