Fix headings
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@ -25,7 +25,7 @@ Channel name | Equation | Notes
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Speed | bytesToIntLe(raw, 0, 2) * 0.01569358787 | May want to check the multiplier against an external GPS device
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Speed | bytesToIntLe(raw, 0, 2) * 0.01569358787 | May want to check the multiplier against an external GPS device
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Brake position | min(C / 0.7, 100) | The third byte is the pressure in the brake system, in Bars. The 0.7 divider seems to be a good value to get 100% at pressure slightly higher than those you're likely to use on the track for cars with no aero. You can use 0.8 or 0.9 if you see 100% too often.
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Brake position | min(C / 0.7, 100) | The third byte is the pressure in the brake system, in Bars. The 0.7 divider seems to be a good value to get 100% at pressure slightly higher than those you're likely to use on the track for cars with no aero. You can use 0.8 or 0.9 if you see 100% too often.
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# PID 0xD4
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## PID 0xD4
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Update frequency: 50 times per second.
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Update frequency: 50 times per second.
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@ -36,7 +36,7 @@ Wheel speed FR | bytesToIntLe(raw, 2, 2) * 0.01569358787 | Use same multiplier a
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Wheel speed RL | bytesToIntLe(raw, 4, 2) * 0.01569358787 | Use same multiplier as for speed in 0xD1
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Wheel speed RL | bytesToIntLe(raw, 4, 2) * 0.01569358787 | Use same multiplier as for speed in 0xD1
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Wheel speed RR | bytesToIntLe(raw, 6, 2) * 0.01569358787 | Use same multiplier as for speed in 0xD1
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Wheel speed RR | bytesToIntLe(raw, 6, 2) * 0.01569358787 | Use same multiplier as for speed in 0xD1
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# PID 0x140
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## PID 0x140
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Update frequency: 100 times per second.
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Update frequency: 100 times per second.
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@ -49,7 +49,7 @@ Engine RPM | C + (D & 63) * 256
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Throttle position | F / 2.55 | Not tested
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Throttle position | F / 2.55 | Not tested
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??? | bytes 6, 7
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??? | bytes 6, 7
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# PID 0x141
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## PID 0x141
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Update frequency: 100 times per second.
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Update frequency: 100 times per second.
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@ -60,7 +60,7 @@ Gear | G & 0xF | Not tested much. The value seems to jump so much that the usefu
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Given how frequently 0x141 messages are sent, I presume there's a lot more
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Given how frequently 0x141 messages are sent, I presume there's a lot more
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interesting info there.
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interesting info there.
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# PID 0x360
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## PID 0x360
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Update frequency: 20 times per second.
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Update frequency: 20 times per second.
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@ -69,7 +69,10 @@ Channel name | Equation
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Engine oil temperature | C - 40
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Engine oil temperature | C - 40
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Coolant temperature | D - 40
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Coolant temperature | D - 40
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# Connections
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TODO: would be great to find how to read the ambient temperature, and maybe the
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intake temperature.
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## Connections
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Besides the CAN pins in the OBD-II port, there is a CAN bus male port hidden
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Besides the CAN pins in the OBD-II port, there is a CAN bus male port hidden
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behind the car multimedia head unit:
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behind the car multimedia head unit:
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