Merge pull request #5 from m5stack/master

updata

docs/en/app/m5iot_kit.md

@@ -34,7 +34,7 @@
 
 - 1x **M5IotKit** learning board
 - 1x Power Aapter
-- 1x Dupont cable set
+- 15x breadboard cable
 - 
 
 ## Specification

docs/en/unit/m5camera.md

@@ -35,8 +35,6 @@ The hardware also comes with some reserved weld pad, just in case you want put t
 
 <img src="assets/img/product_pics/unit/unit_m5camera_04.png">
 
-This Unit reserves the weld of the 9-axis gyroscope (MPU6050), Temperature and humidity pressure sensor (BME280) and **Digital silicon microphone (SPM1423)**. If you need those devices, you can Self-weld them or purchase those version thraightly. Additionally, M5Camera also reserves the weld of battery.
-
 **Note: M5Camera is named differently when different hardware is selected. They follow the rules below.**
 
 *M5Camera_#_#... means optional hardware name follows "M5Camera".*

docs/en/unit/m5camera_f.md

@@ -28,7 +28,6 @@ The hardware also comes with some reserved weld pad, just in case you want put t
 
 <img src="assets/img/product_pics/unit/unit_m5camera_f_02.png" width="100%" height="100%"><img src="assets/img/product_pics/unit/unit_m5camera_f_03.png" width="100%" height="100%">
 
-This Unit reserves the weld of the 9-axis gyroscope (MPU6050), Temperature and humidity pressure sensor (BME280) and **Digital silicon microphone (SPM1423)**. If you need those devices, you can Self-weld them or purchase those version thraightly. Additionally, M5CameraF also reserves the weld of battery. The size of the battery that can be accommodated in the case corresponds to a battery capacity of **80mAh**.
 
 **Note: M5CameraF is named differently when different hardware is selected. They follow the rules below.**
 

docs/en/unit/m5camera_x.md

@@ -34,8 +34,6 @@ The hardware also comes with some reserved weld pad, just in case you want put t
 
 <!-- <img src="assets/img/product_pics/unit/unit_m5camera_04.png"> -->
 
-This Unit reserves the weld of the 9-axis gyroscope (MPU6050), Temperature and humidity pressure sensor (BME280) and **Digital silicon microphone (SPM1423)**. If you need those devices, you can Self-weld them or purchase those version thraightly. Additionally, M5Camera also reserves the weld of battery.
-
 ## Product Features
 
 - ESP32 specifications

docs/en/unit/tof.md

@@ -15,14 +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 or you up for better using experience,you might have 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 NEW(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. See the above picture for wiring.
 - <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.
 
 
 ## Product Features