Engineering Study Log
Post Archive
2026
- Isolating a DCA1000EVM Raw-ADC Capture Failure by Data Path
- From 68030 and Z80 Hardware to a Legacy-Modern Bridge
- From Analog Front End to Fabrication Files on an STM32F411 PPG PCB
- Power, Measurement, and Communication Paths in a Multichannel Solar-Cell PCB
- From IWR6843 Configuration to 3D People-Tracking Output
- PCB Inspection Quality Checks, ROI Registration, and Results
- Cascaded PI Control and Field Weakening for a DC Motor in PSIM
- Reading an SOIC Footprint and a PPG Schematic as Separate PADS Examples
- From a 3.5 GHz Microstrip to Wilkinson and Branch-Line Networks
- Reading the Mealy 101 Detector and 8-to-1 MUX Sources
- OUTTA Basic — Organizing BERT, Hugging Face, and Gemini Safely
- OUTTA Basic — Following the Time Axis in RNNs and Seq2Seq
- OUTTA Basic — Connecting Language Models, Embeddings, and Autoencoders
- OUTTA Basic — PyTorch CNN and Handwritten-Digit Error Analysis
- OUTTA Basic — Neural Networks for Function Approximation and Nonlinear Classification
- OUTTA Basic — From Data Exploration to Autodiff and Linear Regression
- From DDPM to Latent Diffusion and DiT
- From GANs to Pix2Pix
- VAE ELBO and Reparameterization
- Autoregressive Factorization and MLE
- Starting with Generative Models and Data Distributions
- Preserving evaluation conditions for AUC and F1 in PPG-HRV classification
- Sensor-to-alarm data path in a two-node Raspberry Pi drowsiness monitor
- Interpretation boundary for radar AO/AC candidates after ECG-anchored beat alignment
- Verifying cycle-delay equivalence between shift-register and circular-queue designs