Category Archives: Uncategorised

External Hardware Watchdog with ATtiny85

Posted on 18 March 2022 by Willem Aandewiel

This post has 5,136 keer bekeken / views Sometimes the internal Watchdog Timer (WDT) of a MCU is working more against you than that it ‘helps’ you. Also an internal WDT is not always up to the task of resetting … Continue reading →

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Simple Challenge/Response sketch

Posted on 30 May 2021 by Willem Aandewiel

[ ]For a project I’m working on with Jelmer (JDJelectronics) we have to communicate with a SIMCOM GPRS modem. I wrote an interactive sketch that can handle the communication (with so called “AT” commands) with a GPRS modem. Parts of … Continue reading →

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digital Tape Recorder for the KIM-1 (and clones)

Posted on 20 February 2021 by Willem Aandewiel

[ ]In October 2017 I wrote a post with the title “Solid State Tape Device for the (micro)KIM“. Recently one of the makers (Dirk Dral) wanted to adapt the device for use with a genuine KIM-1 and ran into some … Continue reading →

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Posted in Arduino, Computer, ESP8266, Firmware, Hardware, KiCAD, KIM, Uncategorised, WiFi | Tagged , , , , | 32 Comments

Hurghada 2013

Posted on 22 September 2013 by Willem Aandewiel

Vakantie 2013

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Posted in Uncategorised | 2 Comments