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Electronics Introduction

Electronics Introduction. Designing a Next-Generation Surgical Robot Activity. Electronics Introduction. Connect switch to receiver. Red connector goes in the last slot of receiver marked “B.” Wires: red on the left; black on the right

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Electronics Introduction

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  1. Electronics Introduction Designing a Next-Generation Surgical Robot Activity

  2. Electronics Introduction • Connect switch to receiver. Red connector goes in the last slot of receiver marked “B.” • Wires: red on the left; black on the right • Connect servos to receivers. At this point, it does not matter which channel you plug each servo into. • Wires: white on the left; black on the right!!!! • Make sure switch is turned off.

  3. Electronics Introduction • Connect switch to battery pack. Line up the black wire on the battery pack with the black wire on the switch. • Always turn ON transmitters first and then turn on switch. • Tare (zero) continuous rotation servos if they are rotating on their own (see next slide for instructions). • Always turn switch OFF first and then transmitters. • The switch should never be on when the transmitter is off!!!!! You will break the servos if you do this!

  4. To Tare the Servos • If the servo is rotating fast, then follow the procedure below for coarse adjustment: • Locate the hole with the internal screw . • It is next to where the wires come out of the servo. • Use a small Phillips head screwdriver to turn this screw until the servo stops moving or is moving very slowly. • If the servo spins faster when turning the screw, then turn it in the opposite direction until it stops or is moving very slowly. • If the servo is rotating slowly, then follow the procedure belowfor fine adjustment: • Locate the servo adjustment switch on the transmitter that corresponds to the channel that your servo is plugged into (there is one for each channel). • Move this switch until the servo stops moving.

  5. Electronics Tips • Always make sure all switches are turned off when not in use; otherwise it drains the batteries. • Receivers are very delicate so please handle with care • Never use glue to attach any of the electronics (including the servos) to your device. • Ensure that servos can be zeroed easily when attached to your device (internal screw should be exposed). • Make sure batteries are easily accessible in case you need to check their voltage or replace them. • Never glue anything on top of the accessory screw on the servos (so that devices can be completely disassembled at project end).

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