TopTip by enhydra

Last crawled date: 2 years, 11 months ago

Inspired by a video on LinkedIn: https://www.linkedin.com/posts/interestingengineering_diy-money-saver-using-arduino-ugcPost-6778642933374586880-2k7G/
Bill of Material:
1 x Arduino Nano: https://de.aliexpress.com/item/32267271986.html
1 x Extension Board: https://de.aliexpress.com/item/32933662259.html
1 x Servo: https://de.aliexpress.com/item/1005002485404471.html
1 x Mini USB-Kabel 0.3m: https://de.aliexpress.com/item/32918461237.html
Variant with Battery
1 x Batteryholder 4 AA: https://de.aliexpress.com/item/32818907820.html
1 x Switch MTS-101: https://de.aliexpress.com/item/33012530737.html
4 x AA Battery...
Variant with Accumulator
1 x USB Powerbank…
General Stuff:
Two core wire…
10 kΩ Resistor: https://de.aliexpress.com/item/33013181098.html
Copper Tape: https://de.aliexpress.com/item/33047300537.html
Assembly
Cut box with a Lasercutter (use SVG)
Fold and glue the parts
Attach the servo to the lid with a glue gun (make sure it is well placed) and
Solder the wires to the Nano
Attach the copper tape to the lever
"Connect" each copper area with one wire (so it acts as a switch) and solder it to the Nano.
Solder wires to the switch
Connect the battery via switch to the Nano (to save power)
Arduino Script and Wiring
Script, wiring and simulation for Uno and Nano: https://www.tinkercad.com/things/kTMsd98OjVl
Make sure you select the correct Board:https://www.instructables.com/Arduino-Nano-USB-Not-Recognizing-Fix/
More
Images: https://photos.app.goo.gl/CcD6KL7wpT6TgmU89
Basic Arduino Script: https://www.tinkercad.com/things/cO0QsEEKBYH