Category: notities, tips, ideeën etc.

  • How to enable Motion Detection Interrupt on MPU6050.

    The MPU6050 data sheet has a nice “marketing” section, claiming it has a DMP unit, and a couple of useful interrupts, among them a accelerometer event interrupt. However, how to actually use these features is not documented there. And I want to use the Motion Detection Interrupt (so I can put the host MCU to…

  • 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…