AUTONOMOUS ROBOT FOLLOWING PREDEFINED PATH USING VHDL CODING - PART III
Hi friends, in this part I have collected some of the snaps and diagrams to help you get an idea about the hardware and circuit integrations.
MECHANICAL SUBASSEMBLY
CIRCUIT FABRICATION
POWER CIRCUIT
Testing:
· Voltage and current at secondary coil of transformer 14.9v, 500mA
· Voltage at two output terminals of rectifier 13.5v
· Voltage across 1000uf capacitor 13.5v
· Voltage between pin 1 and 2 of voltage regulator 13.9v
· Voltage between pin 2 and 3 of voltage regulator 5.01v
· Current output from voltage regulator 1 A
· Voltage across 10uf capacitor 5.01v
CPLD KIT
- Supply voltage 5.01v
- Clock frequency used 2Hz
- Output from JP5 When 1(high) = 3.44vWhen 0(low)= 0.07v
DRIVER CIRCUIT
Testing:
- Voltage at pin 1,2,3,4 of 8 pin connector when 1 occurs 3.44vWhen 0 occurs 0.07v
- Voltage at input pins 1,3,5,9 of hex inverter 3.44v when 1 occurs
- Voltage and current coming out from output pins 2,4,6,8 of hex inverter 4.32v 4.5mA when 1 occurs
- Current flowing through resistor and LED's 2mA
- Voltage across resistor 2.02v
- Voltage drop across LED 2.99v
- Voltage flowing to the input pins 2,7,10,15 of L293D 3.86V
- Voltage and current coming out from output pins 3,6,11,14 of L293D 14.35v, 900mA
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