4WD RC Smart Car Chassis for Arduino (or ESP)

Description

This Is A Work In Progress Project I Started 3 Weeks Ago. The Chassis Is Now Complete And Operational. Feel Free To Start Building It. There Might Be Trivial Updates To Come. Look Out For: 1) Videos Showing The Build Step By Step 2) Sonar Capabilities 3) Line Tracking Capabilities <H3>Change Log</H3> - 2017/10/08 - Initial Upload - 2017/10/14 - Uploaded Some Instruction Videos - 2017/10/23 - Included An Option To Mount The Servo From The Bottom (Cleaner) - 2017/10/24 - Uploaded Design Source Files (Openscad) <H3>Build Instructions - Rear Piece</H3> Parts To Print: - Mainstructure.Stl - Motorbase.Stl - Motorholder.Stl (X2) - Standoffs_27Mm (X4) - Standoffs_20Mm (X4) - Standoffs_14Mm (X4) - Standoffs_10Mm (X6).. <I>Use These When Mounting The Battery From The Bottom</I> Parts To Buy: - 3M X 40Mm Bolts And Nuts (+-20) - 3M X 25Mm Bolts And Nuts (+-3) - Diy 3-Slot 18650 Battery Holder With Pins (<A Href="Https://Www.Ebay.Com/Sch/I.Html?_From=R40&_Trksid=P2050601.M570.L1313.Tr0.Trc0.H0.Xdiy+3-Slot+18650+Battery+Holder+With+Pins.Trs0&_Nkw=Diy+3-Slot+18650+Battery+Holder+With+Pins&_Sacat=0">Ebay</A>) - 3M X 9Mm Self Tapper Screws (+- 6) - Dual Axis Gear Motor (X2) Videos: - <A Href="Https://Youtu.Be/Np0O02Xr6Ki">Mounting The Microcontroller</A> - <A Href="Https://Youtu.Be/2Crsmjuiy-0">Mounting Motors</A> - <A Href="Https://Youtu.Be/6P9_Lsci1Iq">Mounting Motors - Continued</A> - <A Href="Https://Youtu.Be/Gcmukbtkjks">Mounting Both Microcontroller N Motors</A> - <A Href="Https://Youtu.Be/Igtj4Tjrytk">Mounting Battery Pack</A> <H3>Build Instructions - Front Piece</H3> Parts To Print: - Frontstructure.Stl - Frontwheelarm.Stl (X2) - Frontwheelarmlid.Stl (X2) - Standoffs_32Mm (X4) Parts To Buy: - 4 X 687Zz Bearings (7 X 14 X 5Mm) <A Href="Https://Www.Ebay.Com/Sch/I.Html?_From=R40&_Trksid=P2050601.M570.L1313.Tr0.Trc0.H0.X687Zz.Trs0&_Nkw=687Zz&_Sacat=0"> Ebay</A> - 2 X 608Zz Or F608Zz Bearings (8 X 22 X 7Mm) <A Href="Https://Www.Ebay.Com/Sch/I.Html?_Odkw=687Zz&_Osacat=0&_From=R40&_Trksid=P2045573.M570.L1313.Tr0.Trc0.H0.X608Zz+Bearings.Trs0&_Nkw=608Zz+Bearings&_Sacat=0">Ebay</A> - 9G Servo <A Href="Https://Www.Ebay.Com/Sch/I.Html?_Odkw=608Zz+Bearings&_Osacat=0&_From=R40&_Trksid=P2045573.M570.L1313.Tr0.Trc0.H0.X9G+Servo.Trs0&_Nkw=9G+Servo&_Sacat=0">Ebay</A> - 3M X 9Mm Self Tapper Screws (+- 10) Videos - <A Href="Https://Youtu.Be/Us-Con0Xzty">Building Front Structure</A> <H3>Build Instructions - Servo Bottom Mount (Optional)</H3> Parts To Print: - Steeringrod(Updated) - Servoholder - Standoffs_11Mm (X4) - Frontstructure (Updated) Parts To Buy: - 4X 3M 25Mm Bolts And Nuts Videos: - <A Href="Https://Youtu.Be/U9Izg3Mg8Q8"> Steering Servo - Alternate Mount - Intro</A> - <A Href="Https://Youtu.Be/Jqucae7Xm5Q"> Steering Servo - Alternate Mount - Cont</A> - <A Href="Https://Youtu.Be/Hjm_31Zcjwu"> Steering Servo - Alternate Mount - Testing</A> - <A Href="Https://Youtu.Be/Ftpok8Uovto"> Steering Servo - Alternate Mount - First Run</A>

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