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Car reversing kit
A car reversing kit consisting of 4 ultrasonic transducers, a control box and a display.
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Arduino Pro Mini
Used to drive the transducers and time the pulses
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Transducer mount
A disc of plywood around 210 mm diameter with 4 holes at 150 mm diameter for the transducers and a 10 mm hole in centre for the spine
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Spine
10 mm dia rod x 300mm.. Wood dowel, Carbon or stainless steel. The spine goes through the centre of the unit and keesp the echo plate at a set distance from the base
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Echo plate
The echo plate is what the signals bounce from. Just a ply disc around 50mm diameter with a 10mm hole in centre for spine
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33k resistor through hole type
for voltage divider
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22K resistor through hole type
for voltage divider
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0.1uF capacitor through hole type
for voltage divider
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hook up wire
coated copper wire or other fine hookup wire to connect Arduino to cra reversing kit pcb
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Single sided proto board about 40mm x 75mm
For attaching to the car reversing kit pcb
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Double sided tape
to add the extension board to the car revesing kit pcb
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