Arduino
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20 Nov 2020
DOOM on a watch
Does it run DOOM? I was trying to find a good use case for my LILIGO TTGO T-Watch . It’s a programmable smart watch featuring the amazing ESP32 chip and a 240x240 color LCD screen. I keep hearing …06 Sep 2020
M5Stick digital hourglass
I thought it would be cool to have a digital hourglass. The M5Stick-C with its 80x160 pixel LCD screen, battery, buttons and accelerometer has all the equipment I need. The development process A …05 Sep 2020
MCPU emulator (and ATTiny85 port)
MCPU is a neat minimal 8-bit CPU (CPU design by Tim Boescke in 2001, cpldcpu@opencores.org) - see its opencores project file and GitHub repo . It fits into 32 macrocells on a CPLD and can operate on …31 Jul 2020
Detecting directional taps on M5Stick-C
As M5Stick only has three buttons, I wanted to prototype a control scheme based on accelerometer either by tilting or tapping the device from the sides. Maybe we can reliably detect “directional” taps …21 Jun 2020
M5Stick rude watch
I bought the M5StickC ESP32 mini IoT development kit and wanted to do a fun project. Some of the kits come with a wristband, the board features a real time clock module, so it could also work as a …