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LN-Beertap mit ESP32 und Micropython
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Amiss Widen dacd13069c Merge branch 'master' into revert 2023-05-15 16:11:45 +02:00
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boot.py first commit 2022-11-24 13:53:51 +01:00
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README.md

Shopping list

Product Where to buy min Price max Price
Perfect Draft 3610, 3620 or 3720 Kleinanzeigen, Amazon, Kaufland, Lidl 50€ 250€
Additional Tappingunit Kleinanzeigen, Kaufland, Amazon etc 50€ 70€
Servo DS3218MG Ebay, Amazon, etc 25€ 35€
ESP32 S2 Mini Ebay, Amazon, etc 5€ 30€
Button Ebay 2€ 10€
330 & 4,7k Resistor 1€ 1€
3D Printed Files 3D-Files 10€ 30€
Cables ?
2x Screws 4x12 metal ?
5x Screws 1.7x5 for plastic ?
Total Price ~ 150€ ~430€

Tools needed

  • Soldering iron
  • PC
  • Screwdriver
  • Wire stripper or side cutter
  • Drill and tap

Skills needed

  • Soldering
  • Flashing Firmware and transfer Project onto ESP32 - several Tutorials out there.
  • thread cutting

How to get it tapping :)

  1. While connecting power to ESP32 (usb-c) press and hold the button (2-5sec - LED starts breathing)
  2. Connect with any device to the accespoint of esp32
  3. Call url (http://192.168.4.1) and adjust WLAN SSID, WLAN PWD and LNURLdevice.
  4. Reconnect USB-C
  5. ESP32 now connects to the wifi. Once LNURL is paid the LED lights up and signalling "ready to tap"
  6. Press Button - Beer starts to flow

Videos

Configure

Install and Use

Assembling (will follow)

  1. x
  2. x
  3. x
  4. x
  5. x