Schematic and Key Features

One 14-Pin SOIC Socket (U1)
One mikroBUS Connector (J1, J2)
On-Board 4.7 kΩ I²C Resistors (R2, R3)
On-Board LED Power Indicator (LD1)
Power Jumper for selecting 3.3V or 5V power (J3)
Jumper for selecting which mikroBUS pin is connected to GPIO1 (J5)
Optional GPIO Header (J4) – Not Populated

Figure 1. TA100 14-Pin SOIC Socket Board Schematic