Petling Poi

thingiverse

printable inserts for raw PET bottles. used processor-board: ATTiny85 Digispark (https://www.ebay.de/itm/402514777457?mkcid=16&mkevt=1&mkrid=707-127634-2357-0&ssspo=3VTGCNeFTJm&sssrc=2047675&ssuid=&widget_ver=artemis&media=COPY) used battery: 380mAH 1S LiPo (https://www.amazon.de/300mAh-Batterie-Powerwhoop-Anschluss-Inductrix/dp/B0875RMBHH/ref=sr_1_3?__mk_de_DE=%C3%85M%C3%85%C5%BD%C3%95%C3%91&crid=1W708TRJ9J4DV&keywords=gaoneng+380+mah%23&qid=1660828864&sprefix=gaoneng+380+mah%2Caps%2C48&sr=8-3) used case: PETling 13,5cm. Mine were 134mm long and 21.7mm inner width. (the length and width of the raw bottle differs) https://www.ebay.de/itm/361715815870 Switch: https://www.ebay.de/itm/264875544675 battery charger module: https://www.ebay.de/itm/173924942097 LEDS: any WS2812B with 144LED/m will do. 31 needed In the case is a free place for a smd eeprom (eg. 24C256) min. 32kB The eeprom file is included. It adds about 34 effects, but needs to be activated in sourcecode. Without it only 5 effects because of the ATTiny85's memory.