Phage 2014 Offerings

LED Strips

Fairy light, 5.2m 100 LED "vine", pastel color, powered by 12V adapter. $5.50 with 12V adapter.

Fairy light, ~20 LED LED "vine", purple, powered by 3xAA batteries. $2, batteries not included.

5V USB battery pack. 8500mAh. Dual output, 1A and 2.1A heads. Displays remaining capacity and discharge rate via LED display. $15 w/1x microUSB charger cable.
5V USB battery pack. 2000mAh. Single output, 1A head. No UI. $3 w/1x microUSB charger cable.

Light controller and paging badge, for phage campers only.

Features this year include:

Greatly reduced cost
- Version with radio, accelerometer, microphone, and LED driver: $20
- Version with just LED driver: $10

All versions include:

STM32F microcontroller
- drive hundreds of LEDs
- multiple strip driver ports
- Possible to daisy chain to create matrix display (requires you to code up comms bus)
Simple form factor
- USB-A plug can plug directly into battery pack with no cable
- USB-A plug is more robust and can handle more abuse than microUSB
- 68mm x 25mm in-line form factor

Radio version includes:

900 MHz radio pager, compatible with 2013 badge
- SMA coax whip antenna, 1/4 wave 2" antenna provided
- Estimate 2-4x range of last year's badge
- Better performance in a crowd of people
Single built-in diagnostic LED to indicate when being paged
- Typically combined with WS2812 belt lights for better effect
- Features open-drain driver which can power, for example, a laser mounted upward so it's easy to find people in a crowd
Accelerometer
- Disable laser driver output when user is not standing upright
- 800Hz update rate, can work as a pedometer if someone would write software for it
Silicon MEMS microphone (should handle dust better than electret cartridge mic)

Please note quantities are limited: only 50 pieces of each (with and without radio) will be made this year.