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A project log for RetroRiter

A Pi Zero based desktop computer with attached thermal printer.

jamesJames 03/11/2017 at 17:150 Comments

Getting back to work after a bit of a hiatus.

I want to get things turning on. Which means power. Which means connections. And the "power distribution box." I've decided to forge on without bothering with a PCB for the switches / connectors on in the power distribution box. Instead I'm just going to hardwire the bits as I add them on.

I decided to mount a proto-board next to the Pi Zero, under the LCD. This gives me a convenient location to add JST connectors so that I can make the Pi / LCD part a bit more modular. It also gives me a spot to add on circuitry, such as a fuse / regulator to protect the Pi. I'm going to power the Pi from the GPIO header, which bypasses some of the protections (see http://raspberrypi.stackexchange.com/a/1618).

Next up will be wiring the first switch, connecting power to the Pi, and testing it all out. For testing, I'm download Raspbian (which is killing my internet connection at the moment). Important note when using the 800x600 HDMI display I have: you may need to force the resolution in /boot/config.txt (see https://learn.adafruit.com/adafruit-5-800x480-tft-hdmi-monitor-touchscreen-backpack/raspberry-pi-config).

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