Autodesk Eagle
Arduino IDE
Mods
CoolTerm Serial Monitor
Arduino Uno
Adafruit MTK3339 GPS Module and Breakout Board
DotStar APA102–2020 Micro RGB LEDs
Adafruit TXB0104 Bi-Directional Level Shifter
hello.ftdi.84.echo.c
hello.ftdi.84.echo.make
lights.c
lights.make
DotStar APA102–2020 RGB LED (1)
DotStar APA102–2020 RGB LED (2)
MTK3339 GPS Module
MTK3339 Command Sheet
ATtiny84
CR2032 Battery
Adafruit MTK3339 GPS Module Breakout Board Guide
Adafruit MTK3339 GPS Module Breakout Board Schematic
Adafruit DotStar APA102 RGB LED Guide
Adafruit Power Guide for DotStar and NeoPixels
Minimizing DotStar and NeoPixel Power Usage
Neil's Hello-World Echo Board
Technoblogy Tiny Colour Watch
Technoblogy TinyNav Simple GPS Navigator
Technoblogy Minimal GPS Parser
Technoblogy Simple ATtiny USI UART
Technoblogy I2C GPS Module
Adafruit GPS Library for Arduino
TinyGPS
TinyGPS++
Adafruit DotStar Library for Arduino
jmsaavedra's Eagle Library (with APA102-2020)
ATtiny Comparison Chart
Atmel Microcontroller Selection Guide
The Wandering Engineer's Comparison of ATmel Chips
Fablab Inventory
GPS NMEA Sentence Reference
Calculations Between Latitude/Longitude Points
GPS Wearable Using MTK3339 Chipset
Charlieplexing with RGB LEDs
ATtiny85 Power Consumption vs. Clock Speed
ATMEGA328P Low Power Mode
Programming ATmega328 with Arduino IDE
What is a Boost Converter?
Working with Crystal Oscillators
Choosing the Right Crystal and Caps for Your Design
TLC5940 LED Driver With PWM
This is Part II. Note that documentation will be forthcoming. Refer to Part I for board design, and image folder for associated images.