<03/02/2003> Looked up designs for high current h-bridge circuit

<04/02/2003> Looked up data table information for high current transistors

<04/02/2003> Checked polarity and marked all transistors according to Base, Collector, Emitter connections

<05/02/2003> Wired up Half bridge and tested it

<05/02/2003> Rearranged wirings figuring they were wired correctly - results were successful but with damage

<06/02/2003> Attempted to wire up H-Bridge using the L292 motor driver with little success

<07/02/2003> Attempted to wire up H-Bridge using Tip 31C and Tip 32C transistors with little success

<10/02/2003> Retraced H-Bridge circuit and rewired it to working connections with success

<11/02/2003> Made the Darlington switching circuit so that it can be applied to the logic circuit with success

<12/02/2003> Ran diagnostics to figure out current and voltage level ranges

<12/02/2003> Ran diagnostics to measure the counter EMF levels to engineer a way to stop the field from damaging the logic circuit

<13/02/2003> Started designing H-Bridge Logic circuit

<14/02/2003> Completed designing H-Bridge Logic circuit

<17/02/2003> Drew trace on copper board

<18/02/2003> Etched circuit

<18/02/2003> Drilled holes for logic board

<18/02/2003> Removed burrs from logic board holes

<18/02/2003> Marked component layout for logic board

<19/02/2003> Noticed problem with board

<19/02/2003> Redesigned H-Bridge

<20/02/2003> Drew layout for H-Bridge 1

<21/02/2003> Etched H-Bridge 1

<21/02/2003> Drilled holes for H-Bridge 1

<24/02/2003> Marked component layout for H-Bridge 1

<24/02/2003> Removed burrs from H-Bridge 1 board

<24/02/2003> Soldered components on H-Bridge 1

<25/02/2003> Tested H-Bridge 1 (Successful)

<25/02/2003> Tinned H-Bridge 1 circuit board

<25/02/2003> Designed H-Bridge 2

<26/02/2003> Worked on design for H-Bridge 2

<27/02/2003> Worked on tracing for the H-Bridge 2

<28/02/2003> Made 1 last trace line to the H-Bridge 2

<28/02/2003> Etched circuit board for H-Bridge 2

<28/02/2003> Drilled holes in circuit board for H-Bridge 2

<28/02/2003> Removed burrs form H-Bridge 2 circuit board

<28/02/2003> Placed component layout on H-Bridge 2 circuit board

<03/03/2003> Soldered components onto circuit H-Bridge 2 circuit board

<03/03/2003> Tinned H-Bridge 2 circuit board

<03/03/2003> Tested H-Bridge 2 circuit board

<04/03/2003> Designed logic control trace with Trax Maker 2000

<04/03/2003> Designed Power supply circuit with Trax Maker 200 as well

<05/03/2003> Placed trace on copper board for the logic controller

<05/03/2003> Added layers of ink to logic board

<06/03/2003> Etched logic controller circuit board

<06/03/2003> Drilled holes for logic controller circuit board

<06/03/2003> Placed component layout on logic controller circuit board

<06/03/2003> Removed burrs from logic controller circuit board

<06/03/2003> Soldered components onto logic controller board

<07/03/2003> Design flaw was found in the logic board. A 14-pin chip socket was in place of where a 16-pin chip was designed to be.

<07/03/2003> Designed new layout for logic controller

<07/03/2003> Placed new layout on logic control circuit board

<10/03/2003> Had a progress report meeting

<10/03/2003> Etched new logic controller circuit board

<10/03/2003> Drilled holes for logic controller circuit board

<10/03/2003> Placed on component layout for logic controller circuit board

<10/03/2003> Placed power supply circuit layout on circuit board

<10/03/2003> Etched power supply circuit board

<10/03/2003> Drilled holes for power supply circuit board

<10/03/2003> Placed on component layout for power supply circuit board

<11/03/2003> Removed burrs from logic controller circuit board

<11/03/2003> Removed burrs from power supply circuit board

<11/03/2003> Soldered components for power supply circuit

<11/03/2003> Soldered components for logic control circuit board

<12/03/2003> Displayed project at the carrier symposium

<13/03/2003> Connected motor control circuitry together and ran diagnostics

<14/03/2003> Worked on interfacing 20 Amp motor controls to Basic 2P40 Stamp

<17/03/2003> Programmed basic 2P40 stamp to run motors

<18/03/2003> Went to climate control class to get brackets designed for driving motors

<18/03/2003> Mounted motors robotic base

<19/03/2003> Mounted Circuitry robotic base

<19/03/2003> Connected all circuitry together

<19/03/2003> Worked on getting wheels to fit to the motors attached to robotic base

<20/03/2003> Completed getting both wheels connected to each motor shaft

<20/03/2003> Prepared base for 4 1/2 inch spin caster wheels

<21/03/2003> No School – could not work on project

<24/03/2003> Mounted 4 1/2-inch spin casters to robotic base

<24/03/2003> Attempted to use CNC to design Sonar mount brackets for robotic base with Abraham Wiens, except first two designed cut outs were unsuccessful

<25/03/2003> Had problems designing Sonar mounts using CNC plastic

<25/03/2003> Finally managed to get 3 perfect plastic sonar brackets cut for sonar modules

<25/03/2003> Shaped 6 EMT pipe brackets to different a shape so that may be used to hold the sonar mount to the robotic base

<25/03/2003> Mounted Sonar sensors to robotic base

<26/03/2003> Constructed a battery bracket for robotic base

<26/03/2003> Fitted batteries firmly into robotic base

<26/03/2003> De-soldered original connection sockets from the two IRODS

<26/03/2003> Soldered longer wires to the two IRODS

<26/03/2003> Tested IRODS so that they could be interfaced with BS2P40

<27/03/2003> Cut out blocks of wood to mount IRODS to robotic base

<27/03/2003> Mounted IRODS to base

<27/03/2003> Mounded electrical switch to robotic base to switch power which drives the motors

<27/03/2003> Mounted the BS2P40 Demo board to the robotic base

<27/03/2003> Wired up one transceiver, all sensors, and power sources to the BS2P40

<27/03/2003> Cleaned up desktop so that the robot can be programmed

<28/03/2003> Worked on programming the BS2P40 that is located on the robotic base