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Fish food shredder / Fisch Futter Schredder 3D Printer File Image 1
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Fish food shredder / Fisch Futter Schredder

rolf_prusa_printer avatarrolf_prusa_printer

March 16, 2023

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Description

Fischfutter Schredder

Nächste optimierte Version des Fischfutter Schredders.

(https://www.thingiverse.com/thing:5868579)

Diesmal mit Schneckenantrieb.

  • 2 Versionen von Schredderscheiben

Achtung, die Zahnräder sind schräg verzahnt! Beim Zusammenbau darauf achten, dass die Schnecke mit dem richtigen Zahnrad verbunden wird.

Erkenntnisse:

Die Schnecke muss oben geführt werden, sonst springt sie über.

Bauteile:

5X Kugellager https://www.amazon.de/dp/B078NK6BP3

4X Schraube M5 in verschiedenen Längen

1X Flanschkupplungsverbinder, starres Führungsmodellkupplungszubehör, Wellenachsenbeschläge für DIY-RC-Modellmotoren (3 mm) https://www.amazon.de/gp/product/B0833PJMF6

1X Motor 30U/min. https://www.amazon.de/dp/B08MVMQTW7

Automatisierung / Erweiterung mit ESP8266:

D1-Mini mit TASMOTA Software:

(Dank des in TASMOTA integrierten WebServers können die Werte auch ONLINE angesehen werden. (Open source firmware for ESP devices: https://tasmota.github.io/docs/) (Einrichten von ESP8266 / TASMOTA und diverse interessante Details zu D1-Mini: https://znil.net/index.php?title=ESP8266_Wemos_D1_Mini_mit_Tasmota_und_OLED_Display_I2C_SSH1106_und_4_Taster ))

Bauteile:

1X D1 Mini ESP8266 https://www.amazon.de/AZDelivery-D1-Mini-Entwicklungsboard-kompatibel/dp/B0754N794H

(In Asien für unter 2,-€ erhältlich)

1x ULN2003AN-DIP-16-Darlington-Transistor https://www.amazon.de/Chanzon-ULN2003AN-DIP-16-Darlington-Transistor/dp/B08M3SL2TR

Datasheet: https://www.st.com/resource/en/datasheet/uln2001.pdf

GND und Vss an Pins 8 und 9 anschliessen...

Anschlussbild:

VSS <- Motor -- ULN2003 (Pin 10 ... Pin 16, es können mehrere parallel verwendet werden.)

D1 Mini: D1, D2, D3 oder D4 an gegenüberliegendem PIN (1...7) des ULN anschliessen.

In Tasmota Konfiguration anpassen.

(Im Bild ist noch ein Taster konfguriert. Pin D4 gegen GND verdrahtet.)

Im Terminal eingeben:

  • Wenn mit "ON" Aktiviert, deaktiviert der Motor nach x ms: pulsetime

12:16:38.548 CMD: pulsetime 30

12:16:38.554 MQT: stat/tasmota_6A9A57/RESULT = {"PulseTime1":{"Set":30,"Remaining":30}}

12:16:41.591 MQT: stat/tasmota_6A9A57/RESULT = {"POWER":"OFF"}

12:16:41.595 MQT: stat/tasmota_6A9A57/POWER = OFF

Der Shredder "frisst" auch getrockneten Fisch und harte Futterbrocken.

Perspektivisch werde ich noch einen Sockel (Abdichtung nach unten) und einen Deckel kontruieren.

https://youtube.com/shorts/9Yv7zCK1e-c

Fish food shredder

Next optimised version of the fish food shredder.

This time with worm drive.

  • 2 versions of shredder discs

Attention, the gear wheels have oblique teeth! When assembling, make sure that the worm is connected to the correct gear.

Findings:

The worm must be guided at the top, otherwise it will jump over.

Components:

5X ball bearing https://www.amazon.de/dp/B078NK6BP3

4X M5 screw in different lengths

1X Flange coupling connector, rigid guide model coupling accessories, shaft axle fittings for DIY RC model engines (3 mm) https://www.amazon.de/gp/product/B0833PJMF6

1X Motor 30rpm. https://www.amazon.de/dp/B08MVMQTW7

Automation / Extension with ESP8266:

D1-Mini with TASMOTA software:

(Thanks to the WebServer integrated in TASMOTA, the values can also be viewed ONLINE. (Open source firmware for ESP devices: https://tasmota.github.io/docs/) (Setting up ESP8266 / TASMOTA and various interesting details about D1-Mini: https://znil.net/index.php?title=ESP8266_Wemos_D1_Mini_mit_Tasmota_und_OLED_Display_I2C_SSH1106_und_4_Taster ))

Components:

1X D1 Mini ESP8266 https://www.amazon.de/AZDelivery-D1-Mini-Entwicklungsboard-kompatibel/dp/B0754N794H

(Available in Asia for less than 2,-€)

1x ULN2003AN DIP-16 Darlington transistor https://www.amazon.de/Chanzon-ULN2003AN-DIP-16-Darlington-Transistor/dp/B08M3SL2TR

Datasheet: https://www.st.com/resource/en/datasheet/uln2001.pdf

Connect GND and Vss to pins 8 and 9...

Connection diagram:

VSS <- Motor -- ULN2003 (Pin 10 ... Pin 16, several can be used in parallel).

D1 Mini: Connect D1, D2, D3 or D4 to the opposite PIN (1...7) of the ULN.

Adjust the configuration in Tasmota.

(In the picture, a push-button is still configured. Pin D4 is wired to GND).

Im Terminal eingeben:

  • Wenn mit "ON" Aktiviert, deaktiviert der Motor nach x ms: pulsetime

12:16:38.548 CMD: pulsetime 30

12:16:38.554 MQT: stat/tasmota_6A9A57/RESULT = {"PulseTime1":{"Set":30,"Remaining":30}}

12:16:41.591 MQT: stat/tasmota_6A9A57/RESULT = {"POWER":"OFF"}

12:16:41.595 MQT: stat/tasmota_6A9A57/POWER = OFF

Category: DIY

License:

Creative Commons — Attribution

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