- FPGA / HLS
- Vivado, Vitis HLS, hls4ml, Vitis AI (DPU), AXI-DMA IP, DFX, PYNQ, ZCU104, RFSoC 4x2, PYNQ-Z2
- Hardware design
- Verilog, RV32I, RTL datapath, fixed-point / int8 quantization, pipelining, resource / latency analysis
- ML / AI
- TensorFlow, PyTorch, CNNs, YOLO, quantization-aware deployment, RAG (Ollama, embeddings, evals)
- Embedded
- ESP32 / S3 / C3, FreeRTOS, NimBLE (GATT, HID, multi-host bonding), ESP-NOW, OTA, TinyUSB, NVS
- Audio / DSP
- Real-time biquad DSP, LR4 crossover, parametric EQ, I2S DACs, class-D amps, Thiele–Small / port design
- Software
- C / C++, Python, C# / .NET 9, JavaScript / Node.js, Flask, SQLite, PostgreSQL, Docker, Linux, Git
- Protocols
- BLE GATT / HID, USB HID / Audio, CAN, OBD-II, I2C, SPI, UART, I2S, DMA
- Tools / fab
- KiCad, Fusion 360, FreeCAD, ESP-IDF, PlatformIO, dSPACE, sigrok, FDM printing, silver-ink PCB