Christopher Andelin (Project Manager) Mario Ramirez (Systems Engineer) Qui Du (Manufacturing Engineer) Andrew Laqui (Electronics and Controls Engineer) Henry Ruff (Electronics and Controls Engineer) Debriefing Christopher Andelin (Project Manager) Introduction This debriefing gave students the opportunity to go over their CDR performance, relay project updates, get suggestions and ask questions. Comments and Suggestions Comments and […]
Christopher Andelin (Project Manager) Mario Ramirez (Systems Engineer) Qui Du (Manufacturing Engineer) Andrew Laqui (Electronics and Controls Engineer) Henry Ruff (Electronics and Controls Engineer) Center of Mass Report Mario Ramirez (Systems Engineer) Qui Du and I ran a center of mass simulation using Qui’s SolidWorks design, https://www.arxterra.com/spring-2016-rofi-mechanical-design-rev-2/. SolidWorks takes into account each hardware component of […]
Christopher Andelin (Project Manager) Mario Ramirez (Systems Engineer) Qui Du (Manufacturing Engineer) Andrew Laqui (Electronics and Controls Engineer) Henry Ruff (Electronics and Controls Engineer) Table of Contents Head Prototype Qui Du (Manufacturing Engineer) Objective Since the 3D head is not printed yet, we realized that if we are to be successful, we need to begin […]
Christopher Andelin (Project Manager) Mario Ramirez (Systems Engineer) Qui Du (Manufacturing Engineer) Andrew Laqui (Electronics and Controls Engineer) Henry Ruff (Electronics and Controls Engineer) Table of Contents RoFi 3D Modeling Qui Du (Manufacturing Engineer) Disclaimer: RoFi’s head components may change due to the in completion of the PCB layout. In this design, I remodeled RoFi’ legs, […]
Christopher Andelin (Project Manager) Mario Ramirez (Systems Engineer) Qui Du (Manufacturing Engineer) Andrew Laqui (Electronics and Controls Engineer) Henry Ruff (Electronics and Controls Engineer) Servo Driver Testing Andrew Laqui (Electronics and Controls Engineer) Henry Ruff (Electronics and Controls Engineer) Servo Driver Part Number: PCA9685 Link to Adafruit Servo Driver “Using the Adafruit Library” page […]
Christopher Andelin (Project Manager) Mario Ramirez (Systems Engineer) Qui Du (Manufacturing Engineer) Andrew Laqui (Electronics and Controls Engineer) Henry Ruff (Electronics and Controls Engineer) Soldering Servo Driver Qui Du (Manufacturing Engineering) Due to the transition from the Arduino Mega to the Arduino Uno it is necessary that we implementh the servo driver to provide […]
Christopher Andelin (Project Manager) Mario Ramirez (Systems Engineer) Qui Du (Manufacturing Engineer) Andrew Laqui (Electronics and Controls Engineer) Henry Ruff (Electronics and Controls Engineer) Battery Trade-Off Study Mario Ramirez (Systems Engineer) Desired run time: 20 minutes or 0.3 hrs Battery Life T = mAh/mA Current of one servo = 1408.315583mA Current of all 12 […]
Christopher Andelin (Project Manager) Mario Ramirez (Systems Engineer) Qui Du (Manufacturing Engineer) Andrew Laqui (Electronics and Controls Engineer) Henry Ruff (Electronics and Controls Engineer) Voltage Regulator Trade-Off Study Andrew Laqui (Electronics & Control) Delivering power to the servos requires a voltage regulator to transform the high voltage from the battery to a lower voltage for […]
Christopher Andelin (Project Manager) Mario Ramirez (Systems Engineer) Qui Du (Manufacturing Engineer) Andrew Laqui (Electronics and Controls Engineer) Henry Ruff (Electronics and Controls Engineer) PTC Trade-off Study Henry Ruff (Electronics & Control) In the schematic design for RoFi, the PCB mainly entails connections to the main four components: bluetooth, accelerometer/gyroscope, ultrasonic sensor, and servos. […]
Christopher Andelin (Project Manager) Mario Ramirez (Systems Engineer) Qui Du (Manufacturing Engineer) Andrew Laqui (Electronics and Controls Engineer) Henry Ruff (Electronics and Controls Engineer) Servo Testing and Centering Henry Ruff (Electronics & Control) Considering RoFi’s provided condition is questionable, we decided to verify that each servo was still in working condition, and able to […]