![]() Widen the front holes of the base with a scissor, a tweezer or a similar tool for the M3 screws to pass through.Strap the ultrasonic sensor, pins up, to the mount with hot glue or twist tie.Use the two 7 mm screws to connect the two halves to clamp the servo.Use the panhead screw to attach the servo connector to the servo.Set the servo to 90 degree by using a program or choosing the middle position between the two end stops - attaching the two-arm servo connector helps finding the right position.Use the two 3mm countersunk self-tapping screws to attach it at the base. Trim the two longer arms of the servo connector, so they have only 3 holes and their ends are narrow enough to fit in the base.Mounting the delivered servo and ultrasonic distance sensor requires manual work, since it is not supported out of the box. A hot glue gun is helpful for fixing the HC-SR04 ultrasonic sensor at the servo rack. ![]() ![]() Female 20 pin header row to build adapters for the buzzer, the IR receiver and optional the motor power connectors and BT module.Ī Phillips screwdriver, a cutter for the servo connector, a soldering iron, a 2 mm and a 5 mm drill and a few cm wires (and a tweezer) are required for assembly.HC-05 Bluetooth modul for bluetooth control.10 kOhm + 100 kOhm 1% resistor for optional undervoltage protection and supply voltage display in the Bluetooth control GUI.AC2208 Piezo buzzer (for audio feedback).10 wire 12 cm female-female dupont cable for the TB6612 connection (if you do not want to use the 15 cm cable intended for the IR sensors, which we do not use here).Two additional M3 screws and nuts to fasten the uno board.Toggle switch (missing in the china set).4 wire 20 cm female-female dupont cable for HC-SR04 connection (missing in my china set).TB6612 Dual Motor Driver 1A (replacement for the awful inefficient LM298 driver).Avoidance tracking Motor Smart Robot Car.
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