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  • Testing ER-TFTM028-4 Capacitve Touch Display

    Nov 21, 2020 display reverse-engineering

    Good debugging equipment priceless. Being able to gain insight into a system in a quick and clear manner greatly helps identify when issues occur. In first versions I like to add visual feedback for myself. This can be as simple as an RGB LED to detect status or as full featured as a touch screen display. For my senior …

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  • PMSA003I and Embedded Serialization

    May 23, 2020 Ghidra PMSA003I

    The PMSA003 is a small (sub $20) particulate matter sensor. As with most PM sensors, this module uses a fan and a laser to detect the size and counts of particulates in the air. As I am using the I2C version for current project, I needed to write the driver for it. When creating the struct, I realized the sensor's data …

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  • Molex 1.25mm Picoblade

    Feb 8, 2020

    Image Link Series # Description Pin #1 (Current View) Drawing Catalog 53261 Right-Angle, Surface Mount Left Drawing Catalog 053047 Vertical, Through Hole Right Drawing Catalog 053398 Vertical, Surface Mount Right Drawing Catalog 053048 Right-Angle, Through Hole Left Drawing The general rule of thumb …

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  • K1-1508SA-01 Meets KiCad

    Nov 24, 2019 K1-1508SA-01 kicad-tricks thumbswitch

    The K1-1508SA-01 is a multi-directional switch perfect for adding cheap navigation functionality to designs. I was unable to find any 3D models or detailed footprints, so I created my own. As usual, it all starts with the datasheet... From here, I created the PCB land pattern in KiCad as described above. At this point, …

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  • SMT Navigation Thumb-switches

    Nov 10, 2019 navigation switches thumbswitch

    Recently, I discovered navigation thumswitches or multi-directional thumbswitches. Fundamentally, they allow the user to switch between UP, DOWN, and SELECT. Up and Down are selected by angling the shaft, while Select is by pushing the shaft in. These are very simple switches and in my opinion, are an elegant solution …

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Clayton White

Technologist, perpetual student, teacher, continual incremental improvement.
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Recent Posts

  • Testing ER-TFTM028-4 Capacitve Touch Display
  • Debugging Occasional Incorrect SCD30 Results
  • KiCad Move Block to Sheet and Retain Annotations
  • Un-killable microSD Card
  • SD Cards and FatFS
  • PMSA003I and Embedded Serialization
  • Molex 1.25mm Picoblade
  • Same or Reversed Wiring Harnesses?

Categories

ELECTRONICS 10 PARTS 5 DEBUGGING 2 KICAD 1 LINUX 1 PROGRAMMING 1 SENSORS 1 TUNING-FORK-GYROSCOPE 1 VMS 1

Tags

FATFS 2 MICROSD 2 THUMBSWITCH 2 DISPLAY 1 GHIDRA 1 GRYOSCOPE 1 HARNESSS 1 JST 1 K1-1508SA-01 1 KICAD 1 KICAD-TRICKS 1 MEMS 1 NAVIGATION 1 PIEZO 1
All Tags
DISPLAY1 FATFS2 GHIDRA1 GRYOSCOPE1 HARNESSS1 JST1 K1-1508SA-011 KICAD1 KICAD-TRICKS1 MEMS1 MICROSD2 NAVIGATION1 PIEZO1 PMSA003I1 REVERSE-ENGINEERING1 SALEAE1 SAML111 SCD301 SOCKET-SOCKET1 SWITCHES1 THUMBSWITCH2 TIPS1 TUNINGFORK1 VIRTUALBOX1
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