FIDLAR.

Posted by & filed under Arduino.

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 »

Introducing my latest rathole: PiTerm1986

Posted by & filed under 8051, circuitpython, Raspberry Pi.

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 »

LEDE 19.07 on the Ubiquity ER-lite3

Posted by & filed under OpenWrt.

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

Posted by & filed under 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 »

The Adafruit Huzzah and the Sparkfun Esp8266 dev board.

Posted by & filed under Arduino, arm.

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 »