Engineering Study Log

Post Archive

2026

  1. Isolating a DCA1000EVM Raw-ADC Capture Failure by Data Path
  2. From 68030 and Z80 Hardware to a Legacy-Modern Bridge
  3. From Analog Front End to Fabrication Files on an STM32F411 PPG PCB
  4. Power, Measurement, and Communication Paths in a Multichannel Solar-Cell PCB
  5. From IWR6843 Configuration to 3D People-Tracking Output
  6. PCB Inspection Quality Checks, ROI Registration, and Results
  7. Cascaded PI Control and Field Weakening for a DC Motor in PSIM
  8. Reading an SOIC Footprint and a PPG Schematic as Separate PADS Examples
  9. From a 3.5 GHz Microstrip to Wilkinson and Branch-Line Networks
  10. Reading the Mealy 101 Detector and 8-to-1 MUX Sources
  11. OUTTA Basic — Organizing BERT, Hugging Face, and Gemini Safely
  12. OUTTA Basic — Following the Time Axis in RNNs and Seq2Seq
  13. OUTTA Basic — Connecting Language Models, Embeddings, and Autoencoders
  14. OUTTA Basic — PyTorch CNN and Handwritten-Digit Error Analysis
  15. OUTTA Basic — Neural Networks for Function Approximation and Nonlinear Classification
  16. OUTTA Basic — From Data Exploration to Autodiff and Linear Regression
  17. From DDPM to Latent Diffusion and DiT
  18. From GANs to Pix2Pix
  19. VAE ELBO and Reparameterization
  20. Autoregressive Factorization and MLE
  21. Starting with Generative Models and Data Distributions
  22. Preserving evaluation conditions for AUC and F1 in PPG-HRV classification
  23. Sensor-to-alarm data path in a two-node Raspberry Pi drowsiness monitor
  24. Interpretation boundary for radar AO/AC candidates after ECG-anchored beat alignment
  25. Verifying cycle-delay equivalence between shift-register and circular-queue designs
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