My First Brainfuck computer

mainAn ultra-small and low cost programmable computer for the masses

My First Brainfuck is an educational computer built to be as minimalistic as possible. I’m sorry for the use of the offensive f-word, but it is the actual name of the program language the computer uses. Description The My First Brainfuck … Continue reading Continue reading

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.

Description How to add USB power to my 60$ microscope (Bresser junior 20x) Features Add current limiting resistor Add USB cable Add protective hardboard to the stage Development I recently bought a low cost (60$ or 50€) stereo microscope aimed … Continue reading Continue reading

Miniature USB to serial PCB

Build a small FT232 USB to serial adapter that fits directly in the USB port.

Description A small FT232 USB to serial adapter built to fit directly in the USB port Features Integrated USB header Standard FTDI cable pinout Single sided PCB (easy to manufacture) Rx,Tx led’s Miniature size Development Lately I have been developing … Continue reading Continue reading

Ultimate PIC16F628/627 breakout board

A miniature breakout board for rapid development of microprocessor projects.

Description A miniature breakout board for rapid development of microprocessor projects Features ICSP connector for quick programming and power (PICkit compatible) All pins available on standard .1” pin headers Single sided PCB (easy to manufacture) 4 debug led’s 1 generic … Continue reading Continue reading

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.

Description Fix an Apple AirPort Express Base Station that does not power up. Steps Open device Try to find problem Cheat Close device Development A friend of mine had an airport express that had stopped to work. He bought a … Continue reading Continue reading

Homemade iPad augmented reality cars

How to build an AppMATes compatible cars from PEZ dispensers using: • PEZ dispenser (cars2 edition), • Knife, sandpaper, • Quick glue, • Double sided adhesive, • Conductive foam, • Conductive film, • Conductive glue

Description How to build AppMATes compatible cars from PEZ dispensers Materials PEZ dispenser (cars2 edition) Knife, sandpaper Quick glue Double sided adhesive Conductive foam Conductive film Conductive glue Development Like many other kids, my son enjoys the Cars movies. He … Continue reading Continue reading

Access serial communication on a mini router (no extra connector)

usbserialYou don't need to cut a hole in your router to mount an extra connector for serial communication. Use the existing micro USB conector instead! (This example uses a TP-link WR703N running OpenWRT)

Description Adding serial communication on existing micro USB power connector on a TP-link WR703N running OpenWRT. WR703N: Low cost, looks good and runs Linux (you should get one : ) Development A friend recently bought me a TP-Link WR703N in … Continue reading Continue reading

Using a Sony Ericsson dock as an USB2Serial adapter

Getting serial connection (5v RS232) from a USB SEMC DSS-20 SyncStation. Guide for: Disassembly, Attaching serial communication cables, Remove serial EEPROM to avoid custom drivers for the FTDI232 chip.

Description Getting serial connection (5v RS232) from a USB SEMC DSS-20 SyncStation Features Disassembly Attaching serial communication cables Remove serial EEPROM to avoid custom drivers Stripping down the PCB for minimal size Development During my time as concept creator at … Continue reading Continue reading

Low cost Light box

A foldable light box from a laundry basket and halogen work light Features: • Low cost • Easy to build • Easy to store (foldable)

Description A foldable light box from a laundry basket and halogen work light Features Low cost Easy to build Easy to store (foldable) Uses halogen work light and foldable laundry bag Development I needed to take some nice photos for … Continue reading Continue reading