Skip to content

02. BOM

JonasForssell edited this page Sep 3, 2017 · 18 revisions

Bill Of Materials

Many of the articles you need are available online though Ebay. To purchase things on Ebay you need a PayPal account so go and get one right now before you start.

Morgan sells quite a few of these articles on his website http://www.microcutter.se including ready made recievers

Here is a list with the parts.

Robot

Part Amount Cost Total Link
Wheelmotor 12v 30rpm 2 259 518 https://www.conrad.se/V%E4xelmotor-12-V-Modelcraft-RB350200-0A101R-1:200.htm?websale8=conrad-swe&pi=227579&ci=SHOP_AREA_19781_1210060
Alternative Wheelmotor 12v 40rpm 2 174 348 send PM to Jonas Forssell in the group
Screwdriver from Jula 1 199 199 http://www.jula.se/borrskruvdragare-12v-li-ion-15nm-060201
Motorshield (298P) with current measurement 2 50 100 http://pages.ebay.com/link/?nav=item.view&alt=web&id=351104147262
Batteri Li-Ion 1.3Ah is included with screwdriver 1 0 0
Alternative LeadAcid 12V 4.5 Ah (80409) battery 1 139 139 http://biltema.se/sv/Bil---MC/El/Batteri-ovriga/Blyackumulatorer-80402/
Charger 15Volt for battery and transmitter 1 0 0 Included with screwdriver
Front Wheels Ikea Rill 1 49 49 http://www.ikea.com/se/sv/catalog/products/96671300/
Alternative is a floating arc 1 150 150 Purchase from the facebook group people or print with your 3D printer
Rear Wheels 1 79 79 http://www.biltema.se/sv/Fritid/Sport/Traning/Traningshjul-2000023737/
Arduino Uno 2 35 70 http://www.ebay.com/itm/NEW-ATmega328P-CH340G-UNO-R3-Board-USB-Cable-Compatible-with-Arduino/251950623468?_trksid=p2047675.c100011.m1850&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D38618%26meid%3Dba4ff57b5f94489d983fb1e57bcd6375%26pid%3D100011%26rk%3D3%26rkt%3D5%26sd%3D301138378180
Main Body (from a 3800ml food container) 1 49 49 http://www.biltema.se/sv/Hem/Kok/Forvaring/Forvaringsburk-2000019588/
Cutter disk and finger protection, 750ml 1 29 29 http://www.biltema.se/sv/Hem/Kok/Forvaring/Matbehallare-2000019315/?artId=85383
Connection wires 1 69 69 http://www.kjell.com/sortiment/el/verktyg/matinstrument/matsladdar-prober/kopplingstrad/kopplingstrad-10-farger-flertradig-p39525
CutterBlade 1 89 89 http://gräsklipparknivar.se
BreakSwitch on/off 1 24.9 24.9 http://www.biltema.se/sv/Bil---MC/Bil-tillbehor/Bil-el/Strombrytare/
Hubs 6mm axel 2 25 50 http://www.microcutter.se/shop/hjulnav-m10 eller https://www.arduino.cc/en/Guide/Libraries
Hubs för klipparaxel 4mm (be Morgan på microcutter att få en M8 som passar en NIDEC axel) 1 25 25 http://www.microcutter.se/shop/hjulnav-m10 eller http://www.hobbyking.com/hobbyking/store/__19586__Prop_adapter_w_Steel_Nut_4mm_shaft_Grub_Screw_Type_.html
HubClamps (Ask someone to 3D Print) 2 0 0 http://www.microcutter.se/articles/download
Brushless cutter motor NIDEC 12V with integrated driver 1 74 74 http://www.ebay.com/itm/Internal-Drive-6V-12V-Inner-rotor-DC-motor-Brushless-Motor-Reversible/152013946607?_trksid=p2047675.c100011.m1850&_trkparms=aid%3D222007%26algo%3DSIM.MBE%26ao%3D1%26asc%3D41375%26meid%3Ded57dd0cce1f419f85c343dd1202ae20%26pid%3D100011%26rk%3D2%26rkt%3D12%26sd%3D171590590057
Damping bushings for cutter (optional) 1 12 12 https://www.ebay.com/itm/201646969743
Cutter base plate for damping(optional) 1 20 20 3D print or buy from someone in the group

Mower Controls

Part Amount Cost Total Link
Top shield with reciever 1 75 75 "morganskölden" från www.microcutter.se or manufacture one yourself using this design https://easyeda.com/jonasforssell/Liam5_Shield-moUbtnFzR
Components for top shield 1 100 100 https://easyeda.com/jonasforssell/Liam5_Shield-moUbtnFzR

If you are making your own shield, just open the PCB in the web browser and press the order button to get them manufactured and shipped to you. Jonas Forssell normally have a few in stock as well.

The components to build the shield can be ordered from Tayda Electronics for low cost and speedy delivery. If you are buying a ready built shield from Morgan, you only need reciever coils.

Base Station

Part Amount Cost Total Link
Förvaringsburk 570ml 1 26 26 http://www.biltema.se/sv/Hem/Kok/Forvaring/Forvaringsburk-2000019588/
Klamsvep 1 20 20 http://www.biltema.se/sv/Bygg/VVS/Ror-och-rordelar/Tillbehor/Klamsvep-6-st-2000022268/
BWF Wire 1 189 189 http://www.biltema.se/sv/Bygg/El/Kabelinstallation/Kopplingsledning-2000017928/
Charger 1 0 0 included in screw driver
Arduino 1 0 0 included in above
Motor shield 1 0 0 included in above

Optional

Part Amount Cost Total Link
Bluetooth Interface 1 35 35 http://www.ebay.com/itm/HC-05-Bluetooth-RF-Transceiver-Communication-Wireless-Serial-Module-for-Arduino/182146222012?_trksid=p2047675.c100011.m1850&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D38618%26meid%3Db6512bf9468945679315ede2cef9e20a%26pid%3D100011%26rk%3D4%26rkt%3D15%26sd%3D271718337003
9DOF 9150 Accelerometer och Gyro 1 70 70 http://www.ebay.com/itm/MPU-9150-9DOF-e-compass-accelerometer-gyroscope-module-replace-MPU-6050-/272096878638?hash=item3f5a3ce02e:g:gY0AAOxyFjNSMucX
Brushed DC Cutter instead of NIDEC 1 290 290 http://www.aliexpress.com/item/toy-parts-dc-motor-with-carbon-brush-12VDC-4700RPM-with-CE-free-shipping/293838359.html

Low Cost alternatives

Part Amount Cost Total Link
Low cost wheelmotors 2 50 100 https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2050601.m570.l1313.TR0.TRC0.H0.X12v+15rpm.TRS0&_nkw=12v+15rpm&_sacat=0
Lead Acid Battery 80405 1 99 99 http://www.biltema.se/sv/Bil---MC/El/Batteri-ovriga/Blyackumulatorer-2000018765/
15V Power Supply (For Charger & Transmitter) 1 79 79 https://www.electrokit.com/batterieliminator-15v-0-75a.50549
You can’t perform that action at this time.