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Turn any small oven capable of reaching 250°C into a reflow oven

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Reflow oven

Turn any small oven capable of reaching 250°C into a reflow oven

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Picking the right oven

Choosing an oven that is cheap and easy to tweak is preferred and 250°C on the temperature know might not be necessary. These ovens might still be able to reach 250°C even without removing the temperature regulation, due to the temperature sensor (usually a bi-metal strip) is located outside of the cooking area.

Tests with such ovens have shown that even without modifications they reach and exceed 250°C. List of tested ovens:

  • Rosberg R51441C (800W, 9 litters, 100-230°C)

NB: The list of capable ovens could be updated with other ovens in the future, however, this list is only intended for guidance and not a complete list.

Requirements

  • Cheap and accessible ovens (starting from €20-25)
  • Capable of 250°C internal temperature (the middle of the cooking area)
  • Internally placed thermocouple
  • Recommended but optional ambient temperature sensor
  • Recommended but optional current sensor

Roadmap

Current roadmap of the project is to create applications to track and control the temperature of an Oven:

  1. terminal - Terminal (CLI) based PID controller app for Raspberry Pi
  2. protocol - TBA - shared abstractions for all apps (terminal, firmware and listener)
  3. firmware - TBA - Embedded device (e.g. based on RP Pico)
  4. listener - TBA - Postcard RPC client for the firmware

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Turn any small oven capable of reaching 250°C into a reflow oven

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Apache-2.0, MIT licenses found

Licenses found

Apache-2.0
LICENSE-APACHE
MIT
LICENSE-MIT

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