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Lacy Rhoades

Lacy Rhoades

10 posts •

How to hack this blog

Whenever I pick up old projects, I have to start by trying to remember the location of any documentation or notes I previously wrote down. This blog runs on software called Ghost and

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LM386 for hobby project audio

In its simplest form: At a minimum, a few parts should be added. Here it is in a 5v application: The 10k potentiometer R1 attenuates the input. C1 and C2 help with noise.

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On using TDA7052A audio amp

The TDA7052A audio amp chip: Or more specifically for my 5v application: For KiCad files, check out my Github project where I keep all my scrap schematics.

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Programming LOLIN32 on macOS

Getting started using macOS to program the ESP32 with the WEMOS LOLIN32 dev board Initial Steps Download the Silicon Labs USB driver So you can talk to the board over USB Download and

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gphoto2, the Good Parts

gphoto2 (frontend, cli) USB-control cameras via command line libgphoto2 (backend library) USB-control of cameras via C libraries To install either frontend or backend from a .tar file, or from Git source: # untar tar

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Texture by example

Formerly known as AsyncDisplayKit – Texture is a UI framework for iOS. I'm starting to use Texture in development and so I will learn by walking through it. The code is over at https:

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Xcode: Selecting versions for command line

rvm is great, so is nvm! Bundler is cool, too. They all let you manipulate the versions and environments on your command line. Want Node 6.7.0? No problem! Want the latest

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Raspberry Pi creation cheat sheet

For a fresh Pi Touch ssh in Noobs files Install Raspbian Lite passwd sudo passwd sudo apt update --fix-missing (update lists of softwares) sudo apt full-upgrade (add/remove packages at will) (or in

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Finding a Raspberry Pi on your network

So, you know you have a Raspberry Pi operating in your home, connected to your WiFi, but you don't know its address. nmap is a command that will help you find it by

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Getting started with Raspberry Pi

Know your Pi models These notes were written for use with Raspberry Pi, specifically the Pi Zero W but it's hopefully general enough for use with either the Zero, or Zero W or

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