RC Excavator MARK-2, Fully functional

by RC_Mark

3d model Fully functional excavator named 'Mark-2'. 40 cm height, 85cm long, fully rotatable 360, 3,5kg weight. Total cost about 70 euro. Printed #Creality K1C PETG and TPU. For working model you need: - PETG 2kg; - TPU 0.3kg; - bearing 627 (7*22*7) (12 pcs) - bearing 61804 (20*32*7) (10 pcs); - bearing 685 (2*11*5) (14 pcs); - bearing (40*68*9) (1 pcs); - T8 Lead Screw with Brass Nut OD 8mm Lead 4mm (or 2mm) Length 100mm (3 pcs); - T8 Nut with Brass Nut OD 8mm Lead 4mm (or 2mm) (6 pcs); - super glue or glue for plastic (PETG); - hot glue gun and black sticks for track (TPU); - screw m4x10 hex head socket (or other head) (50pcs) - screw m5x10 hex head socket (or other head) (10pcs) - screw m5x15 hex head socket (or other head) (10pcs) - screw m3x10 hex head socket (or other head) (10pcs) - Tapping screw DIN 7981- 4.2x15mm (10pcs) for central axis bearing - M3 M4 M5 Brass Heat Insert Nut Set; - screw 1.2x10mm (30 pcs); Electrical part: - motor JGA25-370 12V 500 rpm (3 pcs) for arrow mowement; - motor JGY-370 12V 100 rpm (3 pcs) for tracks and pivot; - slipring 4 wired, diametr less than 22mm (1 pcs), (used Senring M220A-0410); - ESP32 Dev board; - MCP23017-E SP; - L298 Motor-driver module (3pcs); - 12v to 5v DC-DC module; - LED 3v (16pcs); - 18650 3.7v LiIon (3 pcs); - BMS 3S 3A Balance module; - 12v Power supply for charging;