Quick Start

This guide introduces the FoBE Breakout OLED 0.42 inch and how to use it.

Hardware diagram

The following figure illustrates the FoBE Breakout OLED 0.42 inch hardware diagram.

Mechanical dimensions

FoBE Breakout OLED 0.42 inch is a single-sided 25.4mm x 25.4mm (1" x 1") 1.6mm thick PCB with two SH1.0 4-pin connectors and a set of 4-pin 2.54mm header holes. Fixing by 4 x 1.6mm Screw holes.

Interfaces

The board provides two 4-pin SH1.0 connectors and a set of 4-pin 2.54mm header holes, all providing the same IIC connections for MCU control.

Interface	Description
3V3	Power supply
GND	Ground
SDA	I2C bus data line
SCL	I2C bus clock line

Configuration Jumper

The board features two jumper pad:

Interface	Description
LED-JUMPER	The PPS (Pulse Per Second) LED jumper. To save power, you can physically cut the trace between the pads of this jumper. You can later re-solder the jumper to reconnect the PPS LED.
IIC PULL-UP	By default, sda/scl are pulled up, you can physically cut the trace between the pads of this jumper if you don't need them.

Programming

FoBE Quill nRF52840 Mesh Example

The FoBE Quill nRF52840 Mesh development board provides multiple digital gpio; pins D2, D1 are used in the example:

#include <TinyGPSPlus.h>
#include <SoftwareSerial.h>
......