January 2020 STEAM Camp Kits BOM: Difference between revisions
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=Day 4 - Battery Pack + Welder= | =Day 4 - Battery Pack + Welder= | ||
*[6] 18650 battery pack - 24v nominal | *[6] 18650 battery pack - 24v nominal | ||
* | *Rectifier - | ||
*Transistor - 2 at $2 each - $4 - | |||
*Heatsink - 2 at $2 each - $4 - [https://docs.google.com/spreadsheets/d/1pgJNp20-dFVLs7axpngxeMx4LVg46M4EcN3V3xxdWHc/edit#gid=1571230577] | |||
*1/4" set screws - | |||
*4 ga wire - | |||
=Spreadsheet= | =Spreadsheet= | ||
https://docs.google.com/spreadsheets/d/1OOqqDsvEP2sL7xdTfUrtBirDCjk6aEAbBwyjZDt_-lk/edit#gid=1571230577 | https://docs.google.com/spreadsheets/d/1OOqqDsvEP2sL7xdTfUrtBirDCjk6aEAbBwyjZDt_-lk/edit#gid=1571230577 | ||
Revision as of 12:53, 15 December 2019
Shipping - add about $20 per kit for shipping
Tablet
- Screen - 5" 800x480 - $32 [1]
- 7" screen - 1024x600 - $75 - [2]
- 7" screen - $70 - with cables and 5v 2A power supply - [3]
- 7" screen - Aliexpress - $38 - [4]
- Pi - $55 - Pi 4 with 4 GB RAM [5]. Comparison of 3 to 4 - [6]
- Pi camera - $9 for v1 [7] or $23 for v2
- Stabilizer bearings - skateboard bearings
- HDMI cable - $4 - [8]
- Wireless camera module - $20 - [9]
- You can get cheapo camera modules - [10]
Day 1 - Printer
- Printer - $278 - [11]
- Filament - hex key holder - people print them out for the next bunch
- Filament - razor holder
- Filament - small pliers with 8 mm shaft pivot.
- Filament - motor coupler
Day 2 - CNC Mill
Day 3 - Electronics
- Atmel 328 DIP28 - [15] - $2
- Stripboard (NOT perfboard) - $1 - [16]
- Soldering iron - [17] - $4
- Soldring iron from 40W heater element?
Day 4 - Battery Pack + Welder
- [6] 18650 battery pack - 24v nominal
- Rectifier -
- Transistor - 2 at $2 each - $4 -
- Heatsink - 2 at $2 each - $4 - [18]
- 1/4" set screws -
- 4 ga wire -