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Cost Breakdown.txt
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Cost Breakdown.txt
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Controller:
3D Prints (JT3DP Prices)
-Main Body Top - $11
-Main Body Board Holder - $8.50
-Main Body Battery Adafruit - $12 / Main body Battery Sparkfun - $10
-Main Body button - $0.50
-Main Body Clip - $8.50 / Main Body Strap Mount - $7
Components
-Sparkfun ESP32 Thing - $19.28
-Battery - $13 Sparkfun, $12.50 Adafruit
-Circuit Board - $25, $2.50ea
-2x 20pos Headers - $11, $0.055ea
-16x 3pos headers - $11, $0.00825ea
-16x 100 ohm resistors - $0.75, 0.03ea
-10K ohm resisitor - $0.75, 0.03ea
-Push button - $2.50, 0.125ea
-Diode - $0.15ea
-16x Transistors - $1.95, $0.195ea
-4x M3x20mm bolt - $9, $0.09ea
-3x / 2x M3x10mm bolt - $7.65, $0.0765ea
Total:
3D print for adafruit battery and strap mount - $39
3D print for adafruit battery and clip mount - $40.5
3D print for sparkfun battery and strap mount - $37
3D print for sparkfun battery and clip mount - $38.5
Components for adafruit battery - $39
Components for sparkfun battery - $39.50
Total adafruit battery cost = $78
Total sparkfun battery cost = $76.5
Node
16x 3D Print - 1in - $4
16x 3D Print - 0.75in - $3.50
16x Vibration Motor - $15, $0.75ea
16x Half Servo Cable - $8, $0.40ea
Velcro 3/4in strap - $0.34/ft - 12ft = $4.08
2x / 2x M3x10mm bolt - $7.65, $0.0765ea
Cables
-Assorted length extensions - $12, $0.60ea
-1 meter length extensions - $21.47, $0.72ea
Velcro Straps
Total: 16x - 1in $84.96, 5.31ea
- .75in $76.8, 4.80ea
Total controller + 16 Nodes = $153
Total controller + 16 nodes + 16 1-meter cables + 12ft velcro = $168.9
+ shipping for battery = 182.73