ESP32
ESP32-class badges dominate the modern hacker-conference badge scene: dual-core Wi-Fi and Bluetooth, ample GPIO, and a mature firmware ecosystem make it the default platform for interactive, connected badges.
Platforms
Browse hacker conference badges by microcontroller platform. Each hub collects every badge built on that chipset, with repair and lab context for the platform's common hardware.
ESP32-class badges dominate the modern hacker-conference badge scene: dual-core Wi-Fi and Bluetooth, ample GPIO, and a mature firmware ecosystem make it the default platform for interactive, connected badges.
The ESP8266 was the Wi-Fi badge platform of the mid-2010s, powering a generation of connected conference badges before the ESP32 superseded it.
The Raspberry Pi RP2040 is the modern dual-core ARM badge platform of choice, favored for its USB mass-storage UF2 flashing, generous PIO state machines, and broad MicroPython support.
The RP2350 is the successor to the RP2040, bringing Arm or Hazard3 RISC-V cores and enhanced security to the latest generation of hacker badges.
STMicroelectronics STM32 microcontrollers power a long lineage of camp and conference badges, from the rad1o SDR badge to modern STM32H5 designs.
The Nordic nRF52840 is the premium Bluetooth Low Energy badge platform, used for secure, long-running BLE badges with robust radio performance.