Filament width sensor (hall sensors)

Filament width sensor (hall sensors)

prusaprinters

<p>The idea is based on <a href="https://www.thingiverse.com/thing:4138933">https://www.thingiverse.com/thing:4138933</a></p><p>You need for V1 sensor:<br>2pcs small 623ZZ bearings (OD:10mm, ID: 3mm, W:4mm)<br>2pcs small M3 washers (washer goes under bearing)<br>6pcs M3x8 screws<br>spring from an automatic pen<br>4Pin right angle male terminal<br>2pcs ss49e hall sensors<br>one 5x2mm magnet<br>wires<br>some tube connectors</p><p>The sensors are placed the same way as in the original design.<br>For configuration and calibration info please check the original thing.</p><p>I have connected it to BTT SKR V1.4 TFT socket (sensor1 -&gt; RX0, sensor2 -&gt; TX0, GND -&gt; GND). Adc ports: P0.3, P0.2<br>Power for the sensors is taken from WiFi socket (3.3V)</p><p><strong>Made a smaller version V3 of this sensor!</strong><br>Instead of bearings, it's using 2pcs 5x8mm rollers (roller bearing rolling element)<br>STL files for that design will have suffix V3<br>Everything else remains the same.</p><p>Enjoy!</p><h3>Print Settings</h3><p><strong>Rafts:</strong></p><p>No</p><p><strong>Supports:&nbsp;</strong></p><p>No</p><h3>Post-Printing</h3><p>&nbsp;</p><p>Use fine-grade sandpaper to finetune the arm sides. The arm should move smoothly in the groove. The filament holes must be adjusted by drilling (I was using ~2mm drill bit)</p><h3>Sensor connection</h3><figure class="image"><img src="https://media.prusaprinters.org/media/prints/57699/rich_content/7f6b0cac-4983-42b3-9480-1abc769d4cba/sensors.png#%7B%22uuid%22%3A%2219119d45-6fb1-44f3-a531-bf4c08916796%22%2C%22w%22%3A702%2C%22h%22%3A630%7D"></figure><figure class="image"><img src="https://media.prusaprinters.org/media/prints/57699/rich_content/6a0cfb39-f4d9-4280-9452-da1b47e398de/sensors_v311.png#%7B%22uuid%22%3A%22ba2a28ee-0a58-47ac-9fb2-cc12b8508428%22%2C%22w%22%3A1241%2C%22h%22%3A836%7D"></figure><p>Category: 3D Printer Accessories</p>

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