TonUINO enclosure with optional battery pack

thingiverse

Just like many others, I decided to design my own TonUINO enclosure. To keep it portable, I created a modular system with an optional battery pack (which will soon be replaced by a rechargeable version). Apart from TonUINO's electronics (Arduino Nano, DFPlayer Mini, RC522 module, 1K resistor, cables, and a 32 GB micro-SD card), you'll need the following components: Electronics: 3 x 24mm momentary push buttons (<https://www.amazon.com/gp/product/B075DCB7LT/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1>) 1 x 18mm switch with LED (<https://www.amazon.com/gp/product/B016M56DVQ/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1>) 1 x Micro USB connector (<https://www.amazon.com/gp/product/B07MSQ4DJT/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1>) 1 x 5.5 x 2.1mm DC port (<https://www.amazon.com/gp/product/B07D4DLJ69/ref=ppx_yo_dt_b_asin_title_o07_s00?ie=UTF8&psc=1>) 1 x any 52mm diameter speaker (I used one from <https://www.amazon.com/gp/product/B00AE2WPR0/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1>) For the battery pack: 1 x DC jack 90° (<https://www.amazon.com/gp/product/B07T6GPVBW/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&psc=1>) 1 x LM2596S DC-DC Step down (<https://www.amazon.com/gp/product/B07YWLCTLK/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1>) 1 x 4x AA Battery case with switch (<https://www.amazon.com/gp/product/B07333LC7N/ref=ppx_yo_dt_b_asin_title_o07_s00?ie=UTF8&psc=1>) Thread nuts: (I bought a <https://www.amazon.com/gp/product/B07CPRHP2X/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1> set) 1 x thread nut M3x6x5 4 x thread nut M4x10x6 Bolts: 1 x M3x4 (non-countersunk head of your choice) 4 x bolts M4x20 (countersunk flat head!) 4 x M3x12 (non-countersunk head of your choice) For the battery pack: 4 x M4x40 (countersunk flat head!) Nuts: 4 x M3