Tek4um.com

• Cork, Ireland. Est. 07 Dec 2010
• @Tek4um. by Karl Grabe

My Software, Hardware & Mechanical projects

Ongoing Projects 2019.03.31+:

• Arduino Controlled home heating project, follow: #ArduinoHeating
• Arduino Projects folder, Tactile LED button code and schematic http://tek4um.com/arduino
• 1977 Yamaha XS 250 restoration & engine rebore
• PhoneTax.eu - android native app version of TaxCalc.eu. same code base & kept upto date

Completed Projects

• 2018.04.15 Alarm Communicator with Arduino GSM shield
• 30 minute diy project to make a Secchi Disk to measure phytoplankton with your smartphone: CorkCoast.com/secchi
• Irish PAYE Tax Calculator: TaxCalc.eu Updated for budget 2013 going back to 1996
• DIY Hydrophone
• PIC car Fuel monitor
• Nest Box with cameras V4, V3 Live video streaming around Apr/May/June: CorkNest.com/live/
• Masters Thesis 1983
• Apple Cork & Cupertino 1983-1998 Archive folders

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