PHYSICS 420 PRESENTATION
Electrical
Electrical
The electrical systems on the robotic detector is comprised of a BX-35 microcontroller, MaxSonar-EZ1 ultrasonic sensor,
a simple motor controller for single direction control, power conditioning and a custom-made BFO metal detector.
Complete circuit diagrams for the setup of the BX-35 microcontroller and BFO metal detector.
Microcontroller Circuit Diagram
BFO Metal Detector Schematic
Available data sheets of eletronic components used
2N3904 NPN Switching Transistor
74HC04 Hex Inverter
HS-422 Hitec Servo
HS-645MG Hitec Servo
HUF75321 N-Channel Power MOSFET
LM7805/LM7809 1A 5V/9V Voltage Regulator
MaxSonar-EZ1 Ultrasonic Sensor
TDA2822M Dual Low-Voltage Power Amp
5.5MHz Ceramic Filter
BX-35 Microcontroller
BX-35 Component Kit
Useful links for programming the microcontroller can be found here .
Completed Electrical Circuit
