This 3D Printable Soldering Air Filter Really Sucks
Originally published on hackaday.com by Kristina Panos on 14 October 2023
Ventilation is essential when soldering, even when working with lead-free solder. Tinyboatproductions recognizes the significance of air quality and presents a 3D-printed air-filtering solution for the soldering station. The core of this design features a quiet 120 mm Noctua fan paired with a carbon filter. By positioning the fan appropriately, it draws air through the filter, effectively trapping harmful particles.
One challenge encountered was the Noctua fan’s use of PWM, making it difficult to control with a simple potentiometer. To address this, tinyboatproductions introduced an Arduino Nano and a buck converter. While this might seem like overkill, it enables precise speed control using a potentiometer, ensuring the fan operates at the desired speed.
In addition to fan speed control, the project incorporates an OLED display to indicate the fan’s speed and power status, providing a convenient and informative feature. This air-filtering system not only improves the air quality during soldering but also demonstrates a creative use of technology and 3D printing for a practical purpose. For a detailed look at the project, be sure to watch the build video after the article.
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