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stonehippo /
Created Aug 15, 2019
Some tools for working in teams
stonehippo /
Last active Jul 4, 2019
Custom PlatformIO board definition for ATTiny85

Custom PlatformIO ATTiny85 Board Definition

This PlatformIO custom board definition was created to include a default set of fuse values for the ATTiny85. It's derived from the standard ATTiny85 board definition. It originally came from troubleshooting some issues with setting fuses on Atmel AVR targets in PlatformIO.

The reason I created this board definition was to be able to use the pio run -t fuses command at default to set an ATTiny85 to run at 8mHz (rather than the default of 1mHz). This is helpful, because I've got a bunch of bare chips (rather than an breakout or dev board like the Adafruit Trinket).

The fuse settings are:

fuse value
stonehippo /
Last active Aug 10, 2019
Methods for installing Node.js on Raspberry Pi

Setting Up Node.js On Raspberry Pi

There are several ways that I've set up Node.js on a Raspberry Pi.

Node.js from source

Do not do this if you can avoid it, it's super slow. If you insist on and have the time, you can start at But really, don't do this.

Install with apt

This method is pretty easy:

stonehippo /
Last active Jul 13, 2019
Bluetooth LE Programming On Raspberry Pi

Bluetooth LE Programming On Raspberry Pi

I'm looking at building up some Bluetooth LE programming expertise on Linux, specifically for use with Raspberry Pi 3 B+ and Pi Zero W models.

This is a compendium of libraries and tools that I'm looking at to build that skill on.


On the Raspberry Pi Zero W, a user must be a member of the bluetooth group to work with tools like bluetoothctl. Set this up with:

stonehippo /
Last active Jun 7, 2019
VPN and secure communications options

Private VPNs and VPN-alikes

I like to keep my Internet traffic secure and private when I'm on the road or at home, and I want to be able to connect to servers in my private network.

I do use a commerial VPN provider, but of course there's flaw: I have to trust them, as all of my traffic goes through their tunnel. I generally am OK with this. In general, a commercial VPN provider's interest is to keep user data private and unlogged, though there have been exceptions (looking at you, Facebook).

There are good reasons to run my own VPN, including as a way to connect back to resources in my private network. I can and do use SSH for some things, but sometimes it's nice to be able to work remotely as is if I'm within my own network. And that's where a VPN can come in handy.

Running a VPN can be hard to do. Fortunately, there are some tools that can make it easier.

stonehippo /
Last active Feb 27, 2019
ARM Embedded Toolchains

Notes on AVRDUDE, Arduino, and Raspberry Pi

I ran into some issues getting AVRDUDE and Arduino IDE working with my Raspberry Pis running Raspbian.

General Reference

Don't forget to add youself to the dialout group

stonehippo /
Last active May 1, 2019
Managing my Working Copy/iPad dev with Github and local repos

Working Copy + iPad + Github + Raspberry Pi == My Dev Setup!

I've been using my iPad Pro as my daily driver at home for a bit. It's a great little computer and I find that it covers many of my needs. But one area where it doesn't quite match what I do is hardware hacking. The iPad doesn't really have the right hardware or software for working with stuff like Arduinos and other microcontrollers. But I've worked around that to that I can still do a lot of my coding on the iPad, while still being able to work with hardware.

With A Little Help From My Friend

stonehippo / my_settings.terminal
Created Jul 29, 2018
OS X Terminal Settings - my custom color scheme
View my_settings.terminal
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "">
<plist version="1.0">
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