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JARU IDE
Lightweight IDE and language for ESP32 development
JARU IDE turns ESP32 development into one lightweight workflow. Write code in JARU, a small language made for microcontrollers, run and test it on Windows first with the built-in virtual machine, and step through it in the visual debugger. Check wiring in the GPIO simulator, draw sprites and images for your display, compose chiptune music in the built-in tracker, and connect devices over MQTT. When it works, one click flashes the board. No heavy toolchain, no long setup.
Hi Product Hunt,
I used to build my ESP32 projects in C/C++. It works well, but for small experiments and proofs of concept I was spending more time on toolchains and libraries than on the actual code.
I have always been curious about programming languages, so I started a small one with the libraries I use most already built in. That "small project" grew into a full system: a custom language, a virtual machine that runs on the ESP32, and a compiler targeting that VM.
At some point I made the same VM run on Windows so I could test everything before flashing hardware. Once that worked, an IDE around it was the obvious next step, and it kept growing:
- Code editor with autocompletion
- Debugger with breakpoints and variable watch
- One-click flashing to the ESP32
- Image, sprite and tilemap editors, plus a chiptune music tracker
- GPIO simulator, so programs with LEDs, actuators or panels can be tested on the PC with no board attached
The result is a very fast way to prototype MQTT integrations, REST APIs, sensor tests and small retro-style games. I have been using it for demos myself, including a recent ray tracing experiment.
Happy to go deeper into any part of the system: the language design, the VM, the compiler or the simulator. Which boards, displays or peripherals should I support next?
About JARU IDE on Product Hunt
“Lightweight IDE and language for ESP32 development”
JARU IDE was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #12 on the daily leaderboard. JARU IDE turns ESP32 development into one lightweight workflow. Write code in JARU, a small language made for microcontrollers, run and test it on Windows first with the built-in virtual machine, and step through it in the visual debugger. Check wiring in the GPIO simulator, draw sprites and images for your display, compose chiptune music in the built-in tracker, and connect devices over MQTT. When it works, one click flashes the board. No heavy toolchain, no long setup.
On the analytics side, JARU IDE competes within Internet of Things and Developer Tools — topics that collectively have 744k followers on Product Hunt. The dashboard above tracks how JARU IDE performed against the three products that launched closest to it on the same day.
Who hunted JARU IDE?
JARU IDE was hunted by Jon Otero. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of JARU IDE including community comment highlights and product details, visit the product overview.
Jon Otero