Category: notities, tips, ideeën etc.

  • Some short notes on the Lecroy9450 repair project

    Because there is no big news yet, some short updates. – Claude Schwarz pointed me to the Yahoo user group “Lecroy Owners group”, they have design files for a HHZ406 replacement. (Made by Dieter Frieauff). So maybe the ext. trigger input can be repaired as well. – A service manual for this ‘scope (And others)…

  • Quick and dirty Arduino optical mouse sensor experiment (a2620 chip)

    I wanted to experiment with a optical mouse sensor, did a websearch, found this blogpost, and adapted the code for my A2620 mouse sensor.  As it might be useful to others,  below is my Arduino sketch and the processing sketch. Use the processing sketch to view the image from the sensor, or use a terminal…

  • Hotglue reflow

    Dit is hoe ik m’n iPAQ (h2200, h2210) z’n batterijklepje heb gerepareerd, met smeltlijm. Om de een of andere reden plakt hotglue beter met een dun laagje tussen de te verbinden delen, ipv een dikke laag. Door met m’n heteluchtsoldeerstation de hotglue (en de te verbinden delen) warm te maken kon ik er zo’n dun…