arduino bipedal robot- catapult ms

arduino bipedal robot- catapult ms

thingiverse

Project : catapult msEX Type: mini size projectile bipedal extreme Height : 26cm Weight : 700g Suitable servo: mg90s, sg92r, mg92b Components : mg92b micro servo x13= RM368.5, esp32 dev board(doit) x1=RM22.9, 7.4v 450mah 25c lipo x1=RM21.4,charger x1=RM16, jst plug(depends on battery) x1=RM1,mini 360 voltage regulator x4=RM26.5, mpu6050 gyro x1=RM10, KCD1-101 switch 21*15mm x1=RM5.9, 5v high lv trigger buzzer X1=RM7. 4, m2 screws 5mm-10mm a lots, 14mm with nuts x13, 20mm x2=RM20(estimate), petg filament=RM25(estimate) . Total=RM524.6=USD120.6 * although esp32 can directly power up with 7.4v lipo battery at 5v pin but remember to add a diode to prevent the current go opposite direction to protect you computer when upload code with USB. (without diode, all the servo will drain current from USB and could harm you computer) Servo pin for esp32: pin2 servos[0] body case pin4 servos[1] right foot pin12 servos[2] right lower leg pin13 servos[3] right upper leg pin14 servos[4] right hip pin15 servos[5] left hip pin18 servos[6] left upper leg pin19 servos[7] left lower leg pin23 servos[8] left foot pin25 servos[9] right shoulder pin26 servos[10] right arm pin27 servos[11] left shoulder pin32 servos[12] left arm pin33 buzzer

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