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tjaekel
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since ‎2023-12-08
‎2024-06-26

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  • 378 Posts
  • 47 Solutions
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User Activity

RingGesture: ToF VL53L5CX for finger and hand gestures

2024-06-21
My project makes progress, see here:https://youtu.be/ah19fWodqg8 https://youtu.be/svEeEQ9jmDc My question:When I set LPn low - is just the I2C disabled? Or would also an initiated ranging stop?In order to save power: is there a need to set via I2C th...

ToF VL53L5CX - RingGesture is working

2024-06-19
My three ToF sensors on a finger ring are working (using a Portenta C33).https://youtu.be/qL_alTQpko0Next steps: train and realize gestures (and maybe visualize in Unity). So far, my sensors mounted on a finger ring (for RingGesture) is working (just...

PDM microphone and filter options

2024-05-16
I have compared my platforms using PDM microphones related to PDM to PCM and filtering:Platform 1:STM32H747 (Portenta H7), with SW PDM2PCM filter (and optional to add post-processing)Platform 2:STM32U5A5 with ADF filter (in MCU) or external PCMD3180 ...

STM MCUs: how to sync Audio IN and OUT?

2024-05-15
This is more an experience report.I want to get audio from an INput source and forward to an OUTput sink. And both should stay in sync "forever" (I do not want to have a clock drift, I do not want to have the condition to skip a sample or to add one,...

STM32U5xx: ADF as PDM MIC input - mono and DC offset?

2024-05-14
Using STM32U5A5 MCU and adding the ADF example (taken from en.stm32cubeu5-v1-4-0\STM32Cube_FW_U5_V1.4.0\Projects\STM32U575I-EV\Examples\MDF\ADF_AudioRecorder) seems to work.I have changed to use the PLL3 and setup 3,072MHz as PDM MIC CLK (for 48KHz s...
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