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TOF

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LottesLiu
2019-05-23 20:37:12 +08:00
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docs/en/unit/tof.md
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@@ -15,13 +15,13 @@ This unit integrated a distance measuring sensor VL53L0x providing accurate dist
This unit comunicates with M5Core via I2C(0x29).
*Noitce: If you found TOF performance unstable, means waht you have could be the old-version hardware PCB board, Following will teach you how to fix the PCB board*
*Noitce: If you found TOF performance unstable, means what you have could be the old-version hardware PCB board, Following will teach you how to fix it*
- Disassembling TOF and Check the PCB board, if you see it like this , means it is the new version.
- Disassembling TOF and Check the PCB board, if you see it like this, means it is the good(fixed) version.
<img src="assets/img/product_pics/unit/tof/unit_tof_05.jpg" width="30%" height="30%">
- If not, take off the two MOSFET (AO3400A), and connect SCL,SDA directly to VL53L0x. Wire pattern refer to the photo above.
- If not, take off the two MOSFETs (AO3400A), and connect SCL,SDA from GROVE directly to SCL,SDA on VL53L0x. Wire pattern refer to the photo above.
- <img src="assets/img/product_pics/unit/tof/unit_tof_sch_02.jpg" width="30%" height="30%">
- In this pattern, make sure you use the 3.3V on SDA and SCL, M5Core GROVE provide 3.3V to data pins, 5V to power pin. only 3.3v allowed on VL53L0x.
- In this case, make sure you use the 3.3V on SDA and SCL, M5Core GROVE provide 3.3V to data pins, 5V to power pin. only 3.3v allowed on VL53L0x.