Embedded & Edge
ESP32 firmware, telemetry, low-latency communication, and resilient edge control.
R4_TECH Product
Office Suite
Currency rates, exchange differences, tax interest calculator and more.
R4_TECH CONSULTING
Building reliable IoT and software systems from idea to deployment.
I help teams ship embedded and backend-heavy products across ESP32, Java, C#, cloud APIs, and browser dashboards.
Backend Systems
Java and C# services, APIs, event pipelines, and production observability.
Web Interfaces
Fast dashboards and operator UIs with Astro, React, and clean data flows.
Featured Build Areas
Recent domains and engineering focus.
ESP32 Gateway Platform
ESP-NOW aggregation, WebSocket fanout, and dashboard synchronization.
Resource Telemetry Console
PC metrics streaming to ESP32 TFT with adaptive refresh and alert thresholds.
Contact
If you need an engineer for IoT architecture, firmware/backend integration, or production hardening, send me details.