An ultra-small and low cost programmable computer for the masses
My First Brainfuck computer
Fixing broken LED light bulbs
How to turn three broken LED lamps into two working ones…
Low cost microscope powered by USB
You can get a decent SMD stereo microscope for just 60$!
I added external power so I don’t need to change the batteries.
Nanino – the DIY friendly Arduino
A minimalistic single sided Arduino compatible development board that is easy to make.
Bringing a 12 year old Roland MDX-20 up to date
How to add: USB connection, FTDI drivers and a new postprocessor to a low cost CNC mill (Roland MDX-15 / MDX-20).
Generic routine for receiving short asynchronous transmissions
D1 detects short asynchronous transmissions. It can learn new, or identify stored commands.
• Compact
• No hardware USART
• Generic (works with all standards).
Use D1 to add remote control functions to your project!
Miniature USB to serial PCB
Build a small FT232 USB to serial adapter that fits directly in the USB port.
Ultimate PIC16F628/627 breakout board
A miniature breakout board for rapid development of microprocessor projects.
Repairing a broken AirPort Express
How to fix an AirPort Express Base Station that does not power up.
I added a 5V power adapter and a 3.3V LDO instead of the broken power unit.
Web controlled home automation
How to build a web controlled home automation center.
This post describes the software used with the miniature router (OpenWrt), the PIC 16F628 lab board, the serial communication and radio protocol.