January 2020 STEAM Camp Kits BOM: Difference between revisions
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* You can get cheapo camera modules - [https://www.banggood.com/IMars-SQ11-1080P-Mini-Night-Vision-DV-Auto-Video-Recorder-Vlog-Sport-Camera-Support-TV-Out-Monitor-p-1139282.html?rmmds=detail-top-buytogether-auto&ID=224&cur_warehouse=USA] | * You can get cheapo camera modules - [https://www.banggood.com/IMars-SQ11-1080P-Mini-Night-Vision-DV-Auto-Video-Recorder-Vlog-Sport-Camera-Support-TV-Out-Monitor-p-1139282.html?rmmds=detail-top-buytogether-auto&ID=224&cur_warehouse=USA] | ||
*Bluetooth and phone for $40? - [https://www.amazon.com/Raspberry-Bluetooth-Expansion-Compatible-DataTransfer/dp/B076CPX4NN?th=1] | *Bluetooth and phone for $40? - [https://www.amazon.com/Raspberry-Bluetooth-Expansion-Compatible-DataTransfer/dp/B076CPX4NN?th=1] | ||
*LED chip - $9 - [https://www.amazon.com/Riuty-Projection-Long-Lasting-Integrated-3000-3200K/dp/B07PV9RBBT/ref=asc_df_B07PV9RBBT/?tag=hyprod-20&linkCode=df0&hvadid=385112208924&hvpos=1o1&hvnetw=g&hvrand=16435503468441674083&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9023315&hvtargid=pla-832089616711&psc=1&tag=&ref=&adgrpid=73789135330&hvpone=&hvptwo=&hvadid=385112208924&hvpos=1o1&hvnetw=g&hvrand=16435503468441674083&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9023315&hvtargid=pla-832089616711] or $3 [https://www.vozop.com/index.php/10w-20w-30w-50w-80w-100w-smd-led-chip-for-high-power-flood-light.html?gclid=EAIaIQobChMIuO3qgrC55gIVhsDACh0O0g4BEAQYAyABEgLaAvD_BwE] | |||
=Day 1 - Printer= | =Day 1 - Printer= | ||
Revision as of 04:55, 16 December 2019
Shipping - add about $20 per kit for shipping
Tablet
- Screen - 5" 800x480 - $32 [1]
- 7" screen amazon - $45 - [2]
- 7" screen - 1024x600 - $75 - [3]
- 7" screen - $70 - with cables and 5v 2A power supply - [4]
- 7" screen - Aliexpress - $38 - [5]
- Pi - $55 - Pi 4 with 4 GB RAM [6]. Comparison of 3 to 4 - [7]
- Pi camera - $9 for v1 [8] or '$25 for v2 [9] and [[10]]'
- Stabilizer bearings - skateboard bearings
- HDMI cable - $4 - [11]
- Wireless camera module - $20 - [12]
- You can get cheapo camera modules - [13]
- Bluetooth and phone for $40? - [14]
- LED chip - $9 - [15] or $3 [16]
Day 1 - Printer
- Printer - $278 - [17]
- 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
- 3D printed ground electrode clamp, butt end
- 3D printed power panel
- Plotter Attachment with set bolt (16 cents, 6 mm bolt)
- 3D Printed etching bath
- 3D printed small vial for etchant
Day 2 - CNC Mill and Plotter
- 555 motor - $5 Jameco - [18]
- motor coupler - $1.25 - [19]
- 1 mm milling drilling bit - [20] - $1.50
- Pen for plotter - [21] . Just use refills. $1. From [22].
- Fabric marker for custom t-shirts
Day 3 - Electronics
- Atmel 328 DIP28 - [23] - $2
- Other components - see DIY Arduino. Crystal - $0.3 - [24],
- $2.11 - USB to serial converter - [25]
- Wires and resistors or capacitors -
- Stripboard (NOT perfboard) - $1 - [26]
- Soldering iron - [27] - $4
- Soldring iron from 40W heater element?
- Copper clad boards
- Copper chloride etchant
Day 4 - Battery Pack + Welder
- [6] 18650 battery pack - 24v nominal - $4 ea - [28] - $3 ea [29]
- Rectifier - $1.51 - 15A - [30]
- Transistor - 2 at $2 each - $4 -
- Heatsink - 2 at $1.2 each - $4 - [31]
- Heat sink fan - $1.4 - [32]
- m5x10 set screws - 60 cents for 12 - [33]
- 6 ga wire - 60 cents per foot - [34] - need 6' per welder - or $4 -
- Rod holder - with 3D printed insulation and ground wire clamp, and 3D printed ground electrode clamp
- Rod holder structure = bolt + EMT + internal rod. 1/2" EMT - 35 cents/foot. [35]
- Rod holder - 1/4" bolt (from 3D printer) screwing into a 3D printed endcap for EMT - just requires a 6 mm nut and bolt. 18 cents, same parts as 3D printer bolts.
- 3/8" rebar push bar for holding rod. 25 cents/foot . [36]