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Pi Platter at the Denver Maker Faire - Mike Seiler, MSEE
Adventures in Engineering Trade-Offs

Pi Platter at the Denver Maker Faire

SSD booth at the Denver Maker Faire

SSD booth at the Denver Maker Faire

On Saturday, June 11, 2016 I had a chance to show off 5 of the Raspberry Pi designs I’ve been working on.

In preparation for a Kickstarter, I’ve been assembling designs that showcase the versatility and usefulness of the “Pi Platter” board I’ve been working on.  Dan Julio, the other engineer on the project, and I are both members of the Boulder Hackerspace aka Solid State Depot. The Boulder Hackerspace was invited to the Denver Mini Maker Faire at the Denver Musieum of Denver Museum of Nature and Science.

Introducing the Pi Platter Solar battery charger, USB and RTC board

Introducing the Pi Platter Solar battery charger, USB and RTC board

The Pi Platter board is designed to give the Raspberry Pi Zero, as well at the other models of the Raspberry Pi additional features such as

    1. Additional USB ports
    2. Solar Li battery charging circuit
    3. Real Time Clock as well as additional I/O such as PWM outputs and analog inputs
5 Raspberry Pi devices that could use battery backup and RTC

5 Raspberry Pi devices that could use battery backup and RTC

Because the Pi Platter is so versatile, it’s important to showcase some of the ways you can use it.  Currently, I have 5 demo designs.

      1. Raspberry Pi Zero with eInk display and solar cell showing time, battery voltage, and voltage graph
      2. Raspberry Pi B+ with mini touchscreen running python games
      3. Raspberry Pi Zero ver. 1.3 showing binary clock on a 8×8 LED matrix display
      4. Raspberry Pi B+ Security System with motion detector, 4×4 membrane keypad, camera and 2×16 LCD display
      5. Raspberry Pi 3 with 1TB hard disk

However, because I only have one demo Pi Platter board, I was only able to make one of the designs battery (and solar) powered for the faire.  Two key features of all the designs is that they are battery powered and that the GPIO connector is available for HATs – that is daughter boards that fit on top of the Raspberry Pi.  The Pi Platter connects through 4 pogo pins to the bottom of the Raspberry Pi Zero and through USB to other Raspberry Pi models.

Close up of 4 of the designs

Close up of 4 of the designs

The Saturday at the faire was a good way to make connections and talk to hob nob with fellow makers.

R2D2 was one of the hits with the kids at the Faire

R2D2 was one of the hits with the kids at the Faire