Reddit mentions of WODM USB 19 Key Number Numeric Keypad Keyboard for Laptop

Here is my build list formated for reddit

Group | Name | Price | Quantity | Total | Link
--- | --- | --- | --- | --- | ---
Pc | (Everything Inside the case) | | | |
$1,601.62 | Intel Core i7-6700K 4.0GHz Quad-Core Processor | $347.00 | 1 | $347.00 | https://www.amazon.com/gp/product/B012M8LXQW/ref=oh_aui_detailpage_o05_s00?ie=UTF8&psc=1
| Cooler Master Hyper D92 54.8 CFM Rifle Bearing CPU Cooler | $44.80 | 1 | $44.80 | https://www.amazon.com/gp/product/B00NXLYE4G/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1
| Gigabyte GA-Z170X-UD5 ATX LGA1151 Motherboard | $171.49 | 1 | $171.49 | https://www.amazon.com/gp/product/B012N6EW6G/ref=oh_aui_detailpage_o05_s01?ie=UTF8&psc=1
| Corsair Vengeance LPX 32GB (4 x 8GB) DDR4-2666 Memory | $129.99 | 1 | $129.99 | https://www.amazon.com/gp/product/B00OTJZTZE/ref=oh_aui_detailpage_o05_s01?ie=UTF8&psc=1
| Samsung 850 EVO-Series 250GB 2.5" Solid State Drive | $97.99 | 1 | $97.99 | https://www.amazon.com/gp/product/B00OAJ412U/ref=oh_aui_detailpage_o02_s00?ie=UTF8&psc=1
| Hitachi HD​S723020BLA​642 | $58.00 | 3 | $174.00 | EBay
| EVGA GeForce GTX 1070 8GB FTW Gaming ACX 3.0 Video Card | $459.99 | 1 | $459.99 | https://www.amazon.com/gp/product/B01I60OGUK/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1
| EVGA 850W 80+ Bronze Certified Semi-Modular ATX Power Supply | $90.39 | 1 | $90.39 | https://www.amazon.com/gp/product/B00KYK1CC6/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1
| XFX AMD Radeon HD 5450 1GB | $29.99 | 2 | $59.98 | https://www.amazon.com/gp/product/B005IUW7YE/ref=oh_aui_detailpage_o05_s00?ie=UTF8&psc=1
| PWM Female to 4 x PWM Male Computer Case Fan Splitter | $6.50 | 2 | $13.00 | https://www.amazon.com/gp/product/B00DYQRFY6/ref=oh_aui_detailpage_o07_s00?ie=UTF8&psc=1
| Sabrent 2.5" SSD & SATA Hard Drive to Desktop 3.5" | $12.99 | 1 | $12.99 | https://www.amazon.com/gp/product/B00UN550AC/ref=oh_aui_detailpage_o08_s00?ie=UTF8&psc=1
| 80MM 5000RPM Fan | $0.00 | 2 | $0.00 |
| 92MM 5000RPM Fan | $0.00 | 4 | $0.00 |
Monitors | | | | |
$744.66 | Seiki Pro SM28UTR 28-Inch 4K UHD 3840x2160 | $195.69 | 1 | $195.69 | https://www.amazon.com/gp/product/B013XWQF28/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
| AOC e2460Sd 24-Inch Widescreen LED Monitor | $142.99 | 3 | $428.97 | https://www.amazon.com/gp/product/B00C99MUHQ/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
| Dell 17" 5:4 | $30.00 | 4 | $120.00 | EBay
Cables | | | | |
$137.77 | Cable Matters Gold Plated DisplayPort to DisplayPort Cable 10 Feet | $11.99 | 1 | $11.99 | https://www.amazon.com/gp/product/B005H3Q5E0/ref=oh_aui_detailpage_o05_s00?ie=UTF8&psc=1
| Cable Matters Active DisplayPort to DVI Male to Female Adapter | $19.99 | 2 | $39.98 | https://www.amazon.com/gp/product/B00EDT01TO/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1
| DVI Male to Female 90 Degree Adapter Connector | $4.43 | 3 | $13.29 | https://www.amazon.com/gp/product/B008X0ZJZ0/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1
| 15ft 28AWG CL2 Dual Link DVI-D Cable - Black | $10.47 | 3 | $31.41 | https://www.monoprice.com/product?c_id=102&cp_id=10209&cs_id=1020902&p_id=2760&seq=1&format=2
| 15ft Super VGA M/M | $5.69 | 4 | $22.76 | https://www.monoprice.com/product?c_id=102&cp_id=10201&cs_id=1020101&p_id=3622&seq=1&format=2
| 15ft USB 2.0 A Male to A Female Extension | $1.87 | 5 | $9.35 | https://www.monoprice.com/product?c_id=103&cp_id=10303&cs_id=1030304&p_id=5435&seq=1&format=2
| 25ft hdmi cable | $8.99 | 1 | $8.99 | https://www.amazon.com/gp/product/B00SKVMHI4/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
Desk Accesseries | | | | |
$263.49 | Perixx PX-5200 Cherry MX Blue | $72.91 | 1 | $72.91 | https://www.amazon.com/gp/product/B00NY45NCY/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1
| Logitech C310 Webcam | $31.93 | 1 | $31.93 | https://www.amazon.com/gp/product/B003LVZO8S/ref=oh_aui_detailpage_o07_s00?ie=UTF8&psc=1
| Lapel Mics | $6.50 | 1 | $6.50 | https://www.amazon.com/gp/product/B005DJOIHE/ref=oh_aui_detailpage_o08_s01?ie=UTF8&psc=1
| FingerPrint Reader | $12.58 | 1 | $12.58 | https://www.amazon.com/gp/product/B000HHHP7C/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1
| Mouse Pad | $8.99 | 1 | $8.99 | https://www.amazon.com/gp/product/B00GB0IF50/ref=oh_aui_detailpage_o07_s00?ie=UTF8&psc=1
| Headset Func HS260 | $79.99 | 1 | $79.99 | https://www.amazon.com/FUnc-FUNC-HS-260-1ST-fUnc-HS-260/dp/B00HH3H83U
| Altec ACS 54 - Speaker | $0.00 | 1 | $0.00 |
| Logitech G700S | $50.59 | 1 | $50.59 | https://www.amazon.com/gp/product/B00BFOEY3Y/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1
Audio Accesseries | | | | |
$58.33 | BEHRINGER MICROAMP HA400 | $24.99 | 1 | $24.99 | https://www.amazon.com/gp/product/B000KIPT30/ref=od_aui_detailpages00?ie=UTF8&psc=1
| 5-Pack 6.35mm Male to 3.5mm Female Adapter | $7.99 | 1 | $7.99 | https://www.amazon.com/gp/product/B00XAQD4YA/ref=od_aui_detailpages00?ie=UTF8&psc=1
| 3.5mm Male to 2 x 3.5mm Female Splitter Cable | $3.99 | 1 | $3.99 | https://www.amazon.com/gp/product/B0081ZBNI4/ref=od_aui_detailpages00?ie=UTF8&psc=1
| Coupler 3.5 mm Female - 3.5 mm Female Stereo or Mono | $3.93 | 1 | $3.93 | https://www.amazon.com/gp/product/B000068O4N/ref=od_aui_detailpages00?ie=UTF8&psc=1
| 3 feet Slim 3.5mm Stereo Audio Cable - M/M | $2.71 | 2 | $5.42 | https://www.amazon.com/gp/product/B004G3UK5C/ref=od_aui_detailpages00?ie=UTF8&psc=1
| 3-Feet 3.5mm Stereo Male to Female Extension Cable, 5-Pack | $12.01 | 1 | $12.01 | https://www.amazon.com/gp/product/B00SWOJLSS/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
Lighting | | | | |
$86.88 | Studio Designs Swing Arm Lamp Black | $24.75 | 2 | $49.50 | https://www.amazon.com/gp/product/B00I2S7MHQ/ref=oh_aui_detailpage_o09_s00?ie=UTF8&psc=1
| Lutron TT-300NLH-BL Credenza Lamp Dimmer Black | $14.83 | 1 | $14.83 | https://www.amazon.com/gp/product/B00024BJZE/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1
| Triple Outlet Swivel Adapter, White | $3.27 | 1 | $3.27 | https://www.amazon.com/gp/product/B000HJBENG/ref=oh_aui_detailpage_o01_s02?ie=UTF8&psc=1
| Daylight LED Light Bulb 15W | $9.64 | 2 | $19.28 | https://www.walmart.com/ip/Great-Value-GVRLA1850ND-Great-Value-LED-15W-A19-Light-Bulb/38596922
Cable Managment | | | | |
$18.81 | 100 Velcro Ties | $5.00 | 2 | $10.00 | https://www.amazon.com/gp/product/B001E1Y5O6/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1
| 100 Releasable cable ties | $2.47 | 3 | $7.41 | https://www.monoprice.com/product?c_id=105&cp_id=10520&cs_id=1052012&p_id=5795&seq=1&format=2
| Cable Clip nais | $0.70 | 2 | $1.40 | https://www.monoprice.com/product?c_id=105&cp_id=10520&cs_id=1052006&p_id=5834&seq=1&format=2
Power | | | | |
$53.13 | Monster MP AV 750 Audio Video PowerCenter | $18.99 | 1 | $18.99 | https://www.amazon.com/gp/product/B004ETIKH8/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1
| AmazonBasics 6-Outlet Surge Protector Power Strip 2-Pack | $12.99 | 1 | $12.99 | https://www.amazon.com/gp/product/B00TP1BWMK/ref=oh_aui_detailpage_o05_s01?ie=UTF8&psc=1
| 3 Outlet Single-Tap Wall Tap | $4.00 | 2 | $8.00 | https://www.amazon.com/gp/product/B007XQORTO/ref=oh_aui_detailpage_o02_s00?ie=UTF8&psc=1
| 15ft 16AWG Power Cord Cable | $5.20 | 1 | $5.20 | https://www.monoprice.com/product?c_id=102&cp_id=10228&cs_id=1022801&p_id=5287&seq=1&format=2
| 10ft 18AWG Right Angle Power Cord Cabl | $2.65 | 3 | $7.95 | https://www.monoprice.com/product?c_id=102&cp_id=10228&cs_id=1022809&p_id=7677&seq=1&format=2
Network | | | | |
$33.98 | TP-LINK 8-Port Gigabit Desktop Switch | $22.99 | 1 | $22.99 | https://www.amazon.com/gp/product/B001EVGIYG/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1
| 5-Pack, Cat6 Ethernet Patch Cable in Blue 3 Feet | $10.99 | 1 | $10.99 | https://www.amazon.com/gp/product/B00C2B81K6/ref=oh_aui_detailpage_o02_s00?ie=UTF8&psc=1
Monitor Mount | | | | |
$215.27 | Arm wall mount | $17.54 | 3 | $52.62 | https://www.monoprice.com/product?c_id=109&cp_id=10828&cs_id=1082821&p_id=12232&seq=1&format=2
| Top wall mount bracket | $4.80 | 4 | $19.20 | https://www.monoprice.com/product?c_id=109&cp_id=10828&cs_id=1082821&p_id=3005&seq=1&format=2
| Center Monitor Mount | $7.99 | 1 | $7.99 | https://www.monoprice.com/product?c_id=109&cp_id=10828&cs_id=1082821&p_id=4564&seq=1&format=2
| 2x8 | $7.47 | 3 | $22.41 | https://www.lowes.com/pd/Top-Choice-Common-2-in-x-8-in-x-10-ft-Actual-1-5-in-x-7-25-in-x-10-ft-Lumber/4082916
| 2x4 | 2.55 | 1 | $2.55 | https://www.lowes.com/pd/Common-2-in-x-4-in-x-8-ft-Actual-1-5-in-x-3-5-in-x-8-ft-Stud/1000074211
| 3" clamp | $5.98 | 6 | $35.88 | https://www.lowes.com/pd/IRWIN-QUICK-GRIP-3-in-Clamp/50214643
| 4" Hinge | $2.81 | 2 | $5.62 | https://www.lowes.com/pd/Gatehouse-4-in-H-Oil-Rubbed-Bronze-Interior-Exterior-Mortise-Door-Hinge/4772785
| Wood Screws | $9.00 | 1 | $9.00 | Lowes
| Assorted brackets/hardware | $25.00 | 1 | $25.00 | Lowes
| Case Rack Mount | $35.00 | 1 | $35.00 | EBay
Misc | | | | |
$35.97 | Steam Link | $19.99 | 1 | $19.99 | https://www.amazon.com/gp/product/B016XBGWAQ/ref=oh_aui_detailpage_o06_s00?ie=UTF8&psc=1
| Bluetooth Adapter | $7.99 | 1 | $7.99 | GRANDCOW Bluetooth 4.0 USB Adapter Dongle for Windows 10/ 8.1 / 8/ 7 / Vista / XP
| 19 Key Numeric Keypad | $7.99 | 1 | $7.99 | https://www.amazon.com/gp/product/B005DJSAAU/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1

Granted, I know it's not mechanical, but:
$4.34 + free shipping is probably not out of your budget.

This will be infinitely easier and more real-world accurate with a raspberry pi. Realistic ATM graphics are beyond the capability of the arduino without addon boards.

Display: http://www.amazon.com/High-Resolution-Monitor-Screen-Video/dp/B00GX49AG2

Keypad: http://www.amazon.com/Number-Numeric-Keypad-Keyboard-Laptop/dp/B005DJSAAU

Magstripe reader:http://www.amazon.com/Newest-Tracks-Magnetic-Stripe-Credit/dp/B00D3D3L8Y

Additional buttons can be tied to GPIO pins. Minimal hassle.

Install Mono and program with visual studio or xamarin. Again, minimal hassle.