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en:iot-open:remotelab:sut:roboarm:u1 [2019/03/19 20:45] gdrabiken:iot-open:remotelab:sut:roboarm:u1 [2020/07/20 12:00] (current) – external edit 127.0.0.1
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 +==== Operating robot arm to slide brick on the rail ====
 +On the "floor" of RoboArm laboratory there is a brick, which can be moved by using arm. The brick is placed in rail, which ensure linear moving only. Sending command to servomotors and stepmotors, students can move the brick.
 +=== Target group ===
 +This hands-on lab guide is intended for the Undergraduates.
  
 +=== Prerequisites ===
 +At the beginning, students should make both exercises for Beginners at this laboratory (controling stepmotor and servomotors). Additionaly students should understanding of working proximity sensors.
 +
 +=== Scenario ===
 +
 +  - using schematic, check ESP ports which I2C controlled,
 +  - using schematic, check ESP ports which DIR and STEP (stepmotor) controlled,
 +  - using schematic, check ESP port which servomotors signal controlled (PWM),
 +  - using schematic, check ESP port which proximity sensors controlled,
 +  - using documentation of sensor check registers of accelerometer,
 +  - using documentation check working of proximity sensor,
 +  - using display documentation check way for display digits on HD44780,
 +  - check I2C address for every device,
 +  - append programs from both previously exercises, which will can move stepmotor and servomotor,
 +  - find points (sending command to stepmotor and servomotor) in trajectory which to make way shifting brick
 +  - write the program loop which shifting the brick from left wall to right wall. After indicate brick near right wall, reverse direction of shifting.
 +NOTE: For reverse direction, end of arm has to move above the brick.
 +
 +=== Result ===
 +Effect of running algorithm, can be observed via camera. Second way for acknowledge is observe signal from proximity sensors.
 +
 +=== Start ===
 +
 +=== Result validation ===
 +//Provide some result validation methods, for self assesment.//
 +
 +=== FAQ ===
 +This section is to be extended as new questions appear. \\
 +When using the printed version of this manual please refer to the latest online version of this document to obtain the valid and up-to-date list of the FAQ.
 +//Provide some FAQs in the following form:\\
 +**Question?**: Answer.
 +//
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