PCB Schematics and Layouts

This Repository contains the schematic and layout files for all the PCBs designed at SRA for various competitions and workshops.

• Robocon PCBs 2016
  PCB files made for the Manually Operated Robot in Robocon 2016.
  Designed on Autodesk EAGLE CAD.

  • 128 breakout
    • This is the breakout board for the Atmega 128 Microcontroller SMD Package.
    • It also consists the External Clock Circuit and a connector slot for the programmer cable.
  • Main Board
    • The microcontroller breakout circuit is mounted on this pcb.
    • It contains peripherals like input switches & LEDs, fuses for short-circuit protection and various connectors to connect sensors & actuators to the controller.

• Robocon PCBs 2017
  PCB files made for the Manually Operated Robot in Robocon 2017.
  Designed on Autodesk EAGLE CAD.

  • 128 breakout
    • This is the breakout board for the Atmega 128 Microcontroller SMD Package.
    • It also consists the External Clock Circuit and a connector slot for the programmer cable.
  • Main Board
    • The microcontroller breakout circuit is mounted on this pcb.
    • It contains peripherals like input switches & LEDs, fuses for short-circuit protection and various connectors to connect sensors & actuators to the controller.
  • Line Sensing Array
    • It contains a sensor array to detect different colors to help follow a line.
  • Power and Motor Control Breakout
    • It contains the circuit to connect several motor drivers to a single connector.
    • It also has a Relay-based braking ciruit to pyhsically short the DC motor terminals.
    • This PCB also contains the voltage regulators to power the microntroller circuits as well as the motor controllers.

• WallE 2016 Dev Brd

  • PCB files made for the Line-follower Robot Workshop (WallE) in the year 2016.
  • It uses an Atmega 16 Microcontroller in its DIP package, with peripherals like input switches & LEDs, fuses for short-circuit protection, external clock circuit, programmer slot and various connectors to connect sensors & actuators to the controller.
  • Designed on KiCAD.

• WallE 2.0 2017 Dev Brd

  • PCB files made for the Line-follower and Self-Balancing Robot Workshop (WallE 2.0) in the year 2017.
  • Compared to the 2016 Dev Brd, this iteration has an extra slot to connect an MPU6050 inertial sensor.
  • Designed on Autodesk EAGLE CAD.

• MPU Board

  • PCB files made for the MPU 6050 inertial sensor breakout board, used in the Self-balancing Robot Workshop (WallE 2.0).
  • It has onboard Pull-up resistors for the I2C protocol lines (SCL and SDA).
  • Connects to the main Dev Board through a 6 pin Flat Ribbon Cable.
  • Designed on Autodesk EAGLE CAD.

• WallE 2.1 2018 Dev Brd

  • PCB files made for the Line-follower and Self-Balancing Robot Workshop (WallE 2.1) in the year 2018.
  • It uses an Espressif System's ESP32 SoC DevKit, with peripherals like input switches & LEDs, fuses for short-circuit protection, external clock circuit and various connectors to connect sensors & actuators to the controller.
  • Designed on Autodesk EAGLE CAD.

• ESP 8266 Board

  • PCB files made for the IOT Workshop in the year 2016.
  • It uses Espressif System's ESP 8266 SoC.
  • Contains a switch to toggle between flash mode and GPIO mode.
  • Designed on Autodesk EAGLE CAD.