In our last post we talked about wanting explore the use of two I2C based io expanders in an old school application. If it werent for the fact that there was a readymade lcd library for the mcp23017 I would have swapped the io expanders. No Pull-ups, No Pulldowns and no decent documentation on the… Read more »
Posts By: feurig
Introducing my latest rathole: PiTerm1986
This is a snapshot of the current readme: Updates and current progress are on its github page: https://github.com/feurig/PiTerm1986 GOAL: Convert 80s style user interface ( 8031 based ADP Product: chicklet keyboard and 2×20 lcd ) to pi zero based terminal using i2c based io expanders. Looking under the keyboard membrane and tracing the connectors we… Read more »
E-Paper is Slow.
I was going to explain how we got here but. Nah. It is what it is.
LEDE 19.07 on the Ubiquity ER-lite3
The Ubiquity EdgeRouter Lite is my new favorite OpenWrt device. It is fast and inexpensive ($150 new) and the os is on a USB Stick. Pros 3 independent Gigabit network ports. Serial Console Cheap and still supported. Stock Edge-os would work for most tasks. OS on a USB-stick easiest backup and install EVER. 512 K… Read more »
My first E-bike
Last time the government gave me a significant amount of unexpected money I bought a sporterized mac 90 (a semiautomatic ak-47). This time I decided to join a different revolution. With a projected cap of $1200 I asked a friend to help me pick parts for converting a Yamaha 850 tripple to electric. He remembered… Read more »
Just like starting over…..
Is this thing on?
If anyone is still here for some reason.
https://www.opensignalpdx.org/calendar/music-and-video-programming-with-max-msp-jitter/
I should drop out more often.
Things are different. In the 2+ years after I gave up on making things for a living a lot of things have changed. Things on my personal radar…. The price points for adding wifi for Q<1000 is not $15. It’s $3. The Midi Manufacturers Association finally put 3.3v into the hardware standard. The Non compete… Read more »
Making Stephen Wright’s Light Switch with the Adafruit Huzzah!
Things are Different In 2012 I was struggling to put together a stm32 based wireless datalogger using leaflabs libmaple and a $20 wifi module. I had to write most of the code myself because libmaple was based on arduino-0022 and most of the wifi libraries made extensive use of the new classes available after… Read more »
The Adafruit Huzzah and the Sparkfun Esp8266 dev board.
Background. I was asked to put together a 2 day class on the internet of things at PNCA so I suggested that we try out the Adafruit huzzah. while I was looking for it I came across the Sparkfun Esp8266 “thing” and the Esp8266 dev board. I used the Sparkfun Esp8266 dev board to implement a… Read more »