# Ignition: Flashing 2,300 conference badges with Temporal

DevFeed: [Ignition: Flashing 2,300 conference badges with Temporal](<https://devfeed.tech/articles/ignition-flashing-2-300-conference-badges-with-temporal-35878.md>)

Original publisher: [Read original article](<https://temporal.io/blog/ignition-flashing-2-300-conference-badges-with-temporal>)

Author: Shy Ruparel

Published: 2026-08-04T00:00:00Z

Content type: article

Language: en

Sources: [Temporal Blog](<https://devfeed.tech/sources/temporal-blog.md>)

Topics: [distributed-systems](<https://devfeed.tech/topics/distributed-systems.md>), [ESP32](<https://devfeed.tech/topics/esp32.md>), [Embedded Software Dev](<https://devfeed.tech/topics/embedded-software-dev.md>), [Hardware](<https://devfeed.tech/topics/hardware.md>), [Espressif](<https://devfeed.tech/topics/espressif.md>)

Tags: [conference](<https://devfeed.tech/tags/conference.md>), [distributed-systems](<https://devfeed.tech/tags/distributed-systems.md>), [esp32](<https://devfeed.tech/tags/esp32.md>), [espressif](<https://devfeed.tech/tags/espressif.md>), [firmware](<https://devfeed.tech/tags/firmware.md>), [flashing](<https://devfeed.tech/tags/flashing.md>), [hardware](<https://devfeed.tech/tags/hardware.md>), [retries](<https://devfeed.tech/tags/retries.md>), [temporal-voices](<https://devfeed.tech/tags/temporal-voices.md>), [workflow](<https://devfeed.tech/tags/workflow.md>)

## AI overview

The article explains how Temporal powered Ignition, a workflow system used to flash firmware onto 2,300 ESP32 conference badges over two days. It describes the operational challenges of coordinating USB hubs, laptops, workers, retries, device tracking, and validation across the assembly process.

## Source excerpt

How Temporal powered Ignition, the workflow system that flashed 2,300 conference badges in two days using durable execution and retries.