Add-on dossier
Web Serial control and Badge Studio
A linkable lifecycle record for hardware expansions, app ecosystems, firmware upgrades, cases, radio parts, and post-event badge experiments.
Back to add-ons index
browser control interface
Over USB CDC, a Web Serial page can show text, press buttons, rename the badge, upload a 428x142 image to the Canvas page, take screenshots, and stream the screen. Electronic Cats' Badge Studio and the workshop examples use this path.
- Badge
- JSConf México 2026 Meshtastic Badge
- Type
- browser control interface
- Status
- maker-documented workshop tooling
- Compatibility
- Desktop Chrome or Edge, or Firefox 157 or later; not phones or Safari, per the official workshop note.
- Source
- https://github.com/ElectronicCats/presentacion-jscon-2026
firmware release
October 29, 2026 firmware release with a factory image, based on Meshtastic 2.8.0, adding the USB Canvas page, screenshots, flash-streamed sprites, and USB console fixes.
Badge: JSConf México 2026 Meshtastic Badge
firmware source
GPL-3.0 Meshtastic fork with the badge_jscon2026 target: mesh messaging, name tag, axolotl game, JSConf artwork, flashing and build instructions, pin and source map, and hardware test status.
Badge: JSConf México 2026 Meshtastic Badge
hardware release
July 6, 2026 release with the board and accessory BOMs as CSV files.
Badge: JSConf México 2026 Meshtastic Badge
hardware source
Electronic Cats' KiCad 10 project for the badge, revision v1.0, with schematic, PCB, custom footprints, a component table, and KiBot fabrication workflows. The README credits the hardware design to Lizeth Gallegos Martínez and states no licence.
Badge: JSConf México 2026 Meshtastic Badge
maker store listing
Electronic Cats store listing at USD 50 for the board alone, with access to the workshop and open-source materials; it showed the badge out of stock on October 30, 2026.
Badge: JSConf México 2026 Meshtastic Badge
official agenda and workshop prep
Official agenda listing Controla hardware con JavaScript (W-01) on October 29, 11:00-13:30 in Taller B. Its prep note says the workshop needs the JSConf MX badge, sold on the day by the instructors for USD 50, plus a USB-C cable, a laptop, and a Web Serial browser, and links both Electronic Cats repositories.
Badge: JSConf México 2026 Meshtastic Badge
official event page
Official site for the October 29-30, 2026 community-driven JavaScript conference at Jardín Americana, Guadalajara, with the speaker line-up, including Andrés Sabas of Electronic Cats and his W-01 workshop.
Badge: JSConf México 2026 Meshtastic Badge
workshop materials
Electronic Cats' 41-slide workshop deck on LoRa and Meshtastic, Badge Studio for uploading images and controlling the badge over USB, and a Claude Code skill for writing badge-control web pages.
Badge: JSConf México 2026 Meshtastic Badge
Electronic Cats · retrieved 2026-10-30
Maker store listing for the price, the bundle of board and workshop access, and the out-of-stock state on October 30, 2026. It does not give a unit count.
Badge: JSConf México 2026 Meshtastic Badge
Electronic Cats / GitHub · retrieved 2026-10-30
Primary maker source for the hardware: ESP32-S3-WROOM-1-N8, VGdd79S915N0S1 915 MHz LoRa module with SMA connector, 428x142 colour display on a 10-pin FFC, four user buttons and a power switch, USB-C power with fuse and 3.3 V regulator, no battery or GPS, and a two-layer KiCad 10 PCB. It names Lizeth Gallegos Martínez as hardware designer and Andrés Sabas and Heikki Isa Perea Esparza as workshop presenters. No licence file or statement is present.
Badge: JSConf México 2026 Meshtastic Badge
Electronic Cats / GitHub · retrieved 2026-10-30
Primary maker source for the firmware behaviour: Meshtastic fork, US region and SHORT_FAST preset, name tag, 11-axolotl game with MAC-based starter and -80 dBm double-hello unlock rule, page list, flashing with esptool 5, LLCC68 radio, NV3007 display, and the hardware test status. Its screen images are labelled as computer-drawn mockups, not photos.
Badge: JSConf México 2026 Meshtastic Badge
JSConf México · retrieved 2026-10-30
Primary official source for the October 29-30 dates and Jardín Americana venue, the W-01 workshop slot and instructor, the JSConf MX badge as a workshop requirement, its day-of sale by the instructors at USD 50, and the two linked Electronic Cats repositories. It does not say the badge is issued to every attendee.
Badge: JSConf México 2026 Meshtastic Badge