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Work with Adsum IoT Coder

An expert-taught IoT coding agent, purpose-built for embedded IoT firmware, from first build to CRA readiness. VS Code Marketplace installs Open VSX installs

It automates the routine firmware work you would rather not do, and cracks the runtime bugs general agents cannot, because it reads your board, not just your code. The whole firmware dev loop: scaffold, build, flash, test, observe, fix, and one-click CRA readiness. What makes it different is real human expertise, not just the AI model. Adsum is augmented with curated firmware knowledge authored by engineers who have shipped, loaded on demand and validated by an open benchmark on real hardware. Human-curated, not AI-generated. That curated knowledge is what lets it carry a full, long-horizon build end to end, not just a one-file fix. Adsum IoT Coder building and debugging ESP32 and nRF firmware in VS Code
From a single spec, in one working session: a complete two-chip BLE-to-WiFi gateway. An nRF52840 BLE scanner on Zephyr and an ESP32 Wi-Fi and MQTT uplink on ESP-IDF, built end to end for the Fanstel board. Read the walkthrough.

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Shipping today

  • Nordic nRF52 / nRF53 / nRF54 on nRF Connect SDK (Zephyr)
  • Espressif ESP32, ESP32-S3, ESP32-C6 on ESP-IDF
  • BLE and Wi-Fi
  • One-click CRA readiness: an SBOM (SPDX), a secure-by-design posture check, and a CVE fix loop
  • Guided 3-layer debug: app log, HCI bus, and over-the-air radio, correlated
  • Your choice of model, or the free tier: the GLM Coding Plan, Claude, DeepSeek V4, or any compatible endpoint, switchable live
  • Open source under Apache 2.0
Thread, Matter, LTE-M, and more chips are on the roadmap.

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Start here

CRA readiness

One click: an SBOM (SPDX), a posture check, and a CVE fix loop.

3-layer debug

App log, HCI bus, and over-the-air radio, correlated to find where a flow broke.

BLE-to-WiFi gateway

Two chips, one spec: build production nRF52840 and ESP32 gateway firmware.

Getting started

Install, requirements, and your first run.

Free tier

No key, no account, no card. Start in your first minute.

How it works

Dynamic knowledge loading and human-curated expertise.

Benchmark

vs Claude Code on the same model, on real hardware.

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The 30-second proof

On our open benchmark, running the identical model as Claude Code (Claude Haiku 4.5), Adsum fixed 4× more firmware bugs on the first device flash, at 3.8× fewer tokens on average and up to 13× on individual tasks. Anyone can rerun it.
See the full benchmark or install the extension and run the built-in demo with no board and no key.