January 2020 STEAM Camp Kits BOM: Difference between revisions
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=Tablet= | =Tablet= | ||
*Screen - 5" 800x480 - $32 [https://www.walmart.com/ip/5-Inch-HD-Capacitive-Touchscreen-Display-800-480-Resolution-Small-Portable-Monitor-with-USB-HD-Interface-Compatible-with-Raspberry-Pi/239757309?wmlspartner=wlpa&selectedSellerId=101001360&adid=22222222227316061533&wl0=&wl1=g&wl2=c&wl3=391918222441&wl4=pla-831645024450&wl5=9023315&wl6=&wl7=&wl8=&wl9=pla&wl10=128133340&wl11=online&wl12=239757309&veh=sem&gclid=EAIaIQobChMIke6K6sa35gIVA77ACh3PqQmQEAQYAyABEgJtjfD_BwE] | *Screen - 5" 800x480 - $32 [https://www.walmart.com/ip/5-Inch-HD-Capacitive-Touchscreen-Display-800-480-Resolution-Small-Portable-Monitor-with-USB-HD-Interface-Compatible-with-Raspberry-Pi/239757309?wmlspartner=wlpa&selectedSellerId=101001360&adid=22222222227316061533&wl0=&wl1=g&wl2=c&wl3=391918222441&wl4=pla-831645024450&wl5=9023315&wl6=&wl7=&wl8=&wl9=pla&wl10=128133340&wl11=online&wl12=239757309&veh=sem&gclid=EAIaIQobChMIke6K6sa35gIVA77ACh3PqQmQEAQYAyABEgJtjfD_BwE] | ||
*7" screen amazon - $45 - [https://www.amazon.com/GeeekPi-1024x600-Capacitive-Monitor-Raspberry/dp/B075QCXLPF/ref=asc_df_B075QCXLPF/?tag=hyprod-20&linkCode=df0&hvadid=309707619534&hvpos=1o2&hvnetw=g&hvrand=4393701024953456204&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9023315&hvtargid=pla-570706414713&psc=1] | |||
*7" screen - 1024x600 - $75 - [https://www.amazon.com/gp/product/B07P8PZCSB/ref=as_li_qf_asin_il_tl?ie=UTF8&tag=basicitstuff-20&creative=9325&linkCode=as2&creativeASIN=B07P8PZCSB&linkId=0dc0b30f66037288ecaf61007c6f4ac7] | *7" screen - 1024x600 - $75 - [https://www.amazon.com/gp/product/B07P8PZCSB/ref=as_li_qf_asin_il_tl?ie=UTF8&tag=basicitstuff-20&creative=9325&linkCode=as2&creativeASIN=B07P8PZCSB&linkId=0dc0b30f66037288ecaf61007c6f4ac7] | ||
*7" screen - $70 - with cables and 5v 2A power supply - [https://www.amazon.com/Touchscreen-Monitor-1024x600-Portable-Computer/dp/B07YHVFWBM/ref=cm_cr_arp_d_product_top?ie=UTF8] | *7" screen - $70 - with cables and 5v 2A power supply - [https://www.amazon.com/Touchscreen-Monitor-1024x600-Portable-Computer/dp/B07YHVFWBM/ref=cm_cr_arp_d_product_top?ie=UTF8] | ||
Revision as of 04:12, 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]
Day 1 - Printer
- Printer - $278 - [15]
- 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 - [16]
- motor coupler - $1.25 - [17]
- 1 mm milling drilling bit - [18] - $1.50
- Pen for plotter - [19] . Just use refills. $1. From [20].
- Fabric marker for custom t-shirts
Day 3 - Electronics
- Atmel 328 DIP28 - [21] - $2
- Other components - see DIY Arduino. Crystal - $0.3 - [22],
- $2.11 - USB to serial converter - [23]
- Wires and resistors or capacitors -
- Stripboard (NOT perfboard) - $1 - [24]
- Soldering iron - [25] - $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 - [26] - $3 ea [27]
- Rectifier - $1.51 - 15A - [28]
- Transistor - 2 at $2 each - $4 -
- Heatsink - 2 at $1.2 each - $4 - [29]
- Heat sink fan - $1.4 - [30]
- m5x10 set screws - 60 cents for 12 - [31]
- 6 ga wire - 60 cents per foot - [32] - 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. [33]
- 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 . [34]