Battery Flash Badge
Minimalist and powerful. A battery, a single switch, and a high impact flash LED to keep attendees visible and energized.
- Ultra-lightweight PCB
- Instant on/off control
- Event branding ready
Built for technology events
Badges that light up the room and the network.
thebadg.es designs and manufactures electronic badges for conferences, hackathons, and community gatherings. From minimalist battery-powered flash LED builds to a full e-ink battery-less InfoBadge2040 powered by RP2040.
Battery Series
RP2040 InfoBadge2040
Event-ready hardware
Designed for quick deployment, reliable power, and an experience that feels unmistakably tech-forward.
1
switch
1
flash LED
1
coin cell
Product lineup
Purpose-built badges for every event scale.
InfoBadge2040
A battery-less programmable identity badge with a crisp e-ink display. Perfect for speaker profiles, community roles, and QR-based networking. Fully hackable—run your own firmware using Arduino IDE or Raspberry Pi SDK.
- Battery-less design
- Low-power e-ink display
- UART programming
- Built-in QR generation
- Hackable (Arduino IDE / Pi SDK)
Custom Event Runs
From unique silhouettes to themed LEDs, we deliver limited runs with tailored art, assembly, and QA. We can also organize soldering workshops where attendees build and customize their own badges.
- Prototype to production
- Artwork + silkscreen support
- Soldering workshops
- Tested before delivery
InfoBadge2040 configurator
Prepare the UART payload for your RP2040 e-ink badge.
Configuration
Send the 5 lines in order over UART. Each line is one field.
UART status: not connected.
Preview
Ada Lovelace
Security Researcher
thebadg.es
QR Code
The badge generates the QR on-device using the last field. Keep the URL short for best results.
Our process
From concept to conference in a clean, fast pipeline.
Design + Prototyping
We align on event goals, then produce quick-turn prototypes.
Manufacturing
Full PCB fabrication, assembly, and thorough testing.
Delivery
Badges arrive organized, labeled, and ready for distribution.
Let's build your next badge.
Tell us about your event size, concept, and timeline. We'll handle the hardware, the experience, and the details.
Reach out
hello@thebadg.es
Location
Europe