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$
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Sahan J.
@graphics_time4u
ESP32 IoT Firmware Developer
Sri Lanka
English, Tamil, Russian, German
About me
I help makers, students, and startups bring ESP32 IoT projects to life with clean, production-ready firmware.
Specializing in sensor integration, Wi-Fi & BLE connectivity, MQTT, OTA updates, low-power optimization, and complete prototypes. I work with both Arduino framework and ESP-IDF.
You receive modular, well-commented code, wiring diagrams, and clear instructions — thoroughly tested on real hardware.
Reliable communication and on-time delivery.
Message me before ordering to discuss your project.
Skills
Sahan J.
Offline •
See my services
Embedded Systems & IoT
I will develop custom esp32 firmware and iot projects
