Tek4um.com Cork, Ireland

@Tek4um. by Karl Grabe



My Software, Hardware & Mechanical projects (root folder)



Recently Completed 2021.06.08:

Remote buzzer for Smoke Alarm & Microcontroller interface.

Featured project on Instructables.

Arduino, Hackster






Ongoing Projects 2021.05:

Water tank level alarm, Arduino & HC-SR04 ultrasonic sensor


Arduino Controlled home heating

Featured on Hackaday


1977 Yamaha XS 250 restoration






Completed Projects:

Updated each year


2021.04.17

Philips - Magnavox D2999 PLL Receiver LED Backlight Replace

Disassembly/teardown/reassembly


2021.04.02 Programmable On-Air LED Sign


For online lectures/meetings using sonoff wifi relay


2020

XMAS Arduino Snowflake 3d printed star, RGB LED Pixels, Arduino


2020

Arduino control of 350 Neo Pixel RGB WS2811 LEDS


2018

Alarm Communicator with Arduino GSM shield


2013

30 minute make a Secchi Disk to measure phytoplankton with your smartphone: CorkCoast.com/secchi


2011

Nest Box with cameras


2005

DIY Hydrophone


1995

PIC car Fuel monitor with LCD


1998

Apple Cork & Cupertino 1983-1998 Archive folders


1983

Masters Thesis Microcomputer Controlled Automatic Wafer Test System



Hard to find manuals:

Star Silva M298 VHF Marine Transceiver Swiftech Download pdf scanned Aug 2021



Karls Home Page

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