+ The main difference between these Cores is the internal hardware configuration and kit matching. From the basic version to the upgraded version, the attitude sensor MPU9250 is added and the RAM and FLASH are increased. For details, please visit here
+
+
+
+
+
+
+
+
+- **Q2: How to turn off the speaker function of M5Core？**
+
+
+
+
+ Add the following statement to functioin Setup( ){ }
+
+ ```arduino
+ dacWrite(M5STACKFIRE_SPEAKER_PIN, 0);
+ ```
+
+
+
+
+- **Q3: Some modules cannot be downloaded after stacking with M5Core, such as USB module and M5Core stacking.**
+
+
+
+
+ Probably after the stack, the pins GPIO0 and M5Core on the M5-Bus bus are not very well connected.
+
+ In this case, when downloading the program, GPIO0 should always remain low, but because the contact is not good, GPIO0 can not remain low all the time, so the download fails.
+
+ Solution: Manually let GPIO0 connect to GND during the download process to ensure that it is pulled low enough。
+
+
+
+
+- **Q4: After the [M5GO bottom](en/base/m5go_bottom) is stacked with the M5Core, the M5Core cannot be turned on, but the base battery in this M5GO bottom is fully charged.**
+
+
+
+
+ It may be that after the stacking, the BATTERY of the lower left corner of the M5-Bus bus on the base is not well connected to the M5Core. This is
+ caused by the deviation of the welding position during production. After **the bus pin welding position is slightly biased**, it is easy to see that the BATTERY pin is not in good contact with the M5Core.
+
+ Solution: Re-soldering the M5-Bus bus header, the pin header must be strictly aligned with the pad position.
+
+
+
+
+- **Q5: Some computers are connected to the main control, but still can't use Arduino IDE, ESPFlashDownloadTool or M5Burner to burn the program. For example, the following figure using Arduino IDE.**
+
+
+
+
+
+ Solution: you need to connect the capacitor between RST pin and GND pin in your Core (Capacitance value is more than 0.1 uF) or connect GPIO 0 with GND when downloading your firmware so that GPIO 0 keeps low level for an enough time as the third following picture shows.
+
+
+
+
+
+
+
+
+
+
+- **Q6: What special GPIO pins do you need to pay attention to in ESP32?**
+
+
+
+
+ The ESP32 has 34 GPIO pins, of which GPIO 34-39 is only used as an input and cannot be used as an output. Others can be used as both an input and an output pin.
+
+
+
+
+- **Q7: Why does the Stick with MPU9250 burn the factory firmware and press button A, the result shows "No", which means "No 9250"?**
+
+
+
+
+ Restart this Stick and then it can display correctly. Because the code to read the MPU9250 is placed in the setup() function which only was executed once when booting. So reboot and let the Stick detect MPU9250 again.
+
+
+
+
+- **Q8: After getting the FACES Kit or downloading the factory program of the FACES Kit, the following error is displayed on the screen. What happened?**
+
+
+
+
+
+ This is normal, because there is no main.py file in the program, so this warning is available.
+
+
+
+
+## UNIT Question
+
+- **Q1: What is the difference between the various cameras of M5Stack?**
+
+
+
+
+ The main difference between these cameras is that some pins (OV2640-SIOD, OV2640-VSYNC, GROVE interface), lens type, and whether or not there is PSRAM. For specific differences, please visithere
+
+
+
+
+
+
+- **Q2: The camera transmits images to the mobile phone via WIFI, how far can it be transmitted?**
+
+
+
+
+ After testing, using M5Camera indoors can transmit about 20 meters.
+
+
+
+
+
+
+
\ No newline at end of file
+
+
+ -->
diff --git a/docs/en/unit/adc.md b/docs/en/unit/adc.md
index d9f2aeb5..a030637f 100644
--- a/docs/en/unit/adc.md
+++ b/docs/en/unit/adc.md
@@ -52,10 +52,13 @@ GAIN = 1, 2, 4, OR 8
- **Datasheet** - [ADS1100](http://pdf1.alldatasheet.com/datasheet-pdf/view/619024/TI1/ADS1100.html)
-## Test Firmware：EasyLoader
+## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_ADC.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/angle.md b/docs/en/unit/angle.md
index 820e10f8..551403c0 100644
--- a/docs/en/unit/angle.md
+++ b/docs/en/unit/angle.md
@@ -43,10 +43,13 @@ The Unit's Grove interface is black, indicating an analog interface that needs t
- **[Forum](http://forum.m5stack.com/)**
-## Test Firmware：EasyLoader
+## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_ANGLE.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/button.md b/docs/en/unit/button.md
index cde9abeb..2037104d 100644
--- a/docs/en/unit/button.md
+++ b/docs/en/unit/button.md
@@ -43,8 +43,11 @@ This unit communicates with M5Core through GROVE B port.
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_BUTTON.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/cardkb.md b/docs/en/unit/cardkb.md
index ae2e44e2..cb45f65e 100644
--- a/docs/en/unit/cardkb.md
+++ b/docs/en/unit/cardkb.md
@@ -50,8 +50,11 @@ It also can achieve button combination(Sym+Key, Shift+Key, Fn+Key) and output ri
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_CardKB.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/color.md b/docs/en/unit/color.md
index d2bd2d70..6c97da66 100644
--- a/docs/en/unit/color.md
+++ b/docs/en/unit/color.md
@@ -56,8 +56,11 @@ This Unit communicates with the M5Core via the GROVE A interface(I2C). Address i
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_Color.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/dac.md b/docs/en/unit/dac.md
index f2d67213..b0b5db24 100644
--- a/docs/en/unit/dac.md
+++ b/docs/en/unit/dac.md
@@ -38,8 +38,11 @@
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_DAC.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/dual_button.md b/docs/en/unit/dual_button.md
index 8248bc8f..a3834763 100644
--- a/docs/en/unit/dual_button.md
+++ b/docs/en/unit/dual_button.md
@@ -42,8 +42,11 @@ This unit communicates with M5Core through GROVE B port.
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_Dual_Button.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/earth.md b/docs/en/unit/earth.md
index 9d01022f..eb493898 100644
--- a/docs/en/unit/earth.md
+++ b/docs/en/unit/earth.md
@@ -42,8 +42,11 @@ change the measurement range.
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_Earth.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/env.md b/docs/en/unit/env.md
index 3938cfb2..c95a3677 100644
--- a/docs/en/unit/env.md
+++ b/docs/en/unit/env.md
@@ -42,8 +42,11 @@ BMP280 is an absolute barometric pressure sensor especially designed for mobile
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_ENV.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/extio.md b/docs/en/unit/extio.md
index d69c4e97..934984fb 100644
--- a/docs/en/unit/extio.md
+++ b/docs/en/unit/extio.md
@@ -37,8 +37,11 @@ It’s difficult to foresee the needs of your project from the start. EXT.IO is
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_EXT_IO.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/gps.md b/docs/en/unit/gps.md
index 7595fde5..88522a55 100644
--- a/docs/en/unit/gps.md
+++ b/docs/en/unit/gps.md
@@ -75,8 +75,11 @@ UART settings :
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_GPSRaw.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/heart.md b/docs/en/unit/heart.md
index 2b6d0ed9..ecdd6581 100644
--- a/docs/en/unit/heart.md
+++ b/docs/en/unit/heart.md
@@ -46,8 +46,11 @@ MAX30100 is a complete pulse oximetry and heartrate sensor system solution desig
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_HEART.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/ir.md b/docs/en/unit/ir.md
index f8988332..f397fd90 100644
--- a/docs/en/unit/ir.md
+++ b/docs/en/unit/ir.md
@@ -33,8 +33,11 @@ IR remote control is widely used in consumer electronics,it can be used to opera
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_IR.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/joystick.md b/docs/en/unit/joystick.md
index 1a11193b..ad18ac01 100644
--- a/docs/en/unit/joystick.md
+++ b/docs/en/unit/joystick.md
@@ -43,8 +43,11 @@ This Unit communicates with the M5Core via the GROVE A interface. It's I2C addre
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_Joystick.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/light.md b/docs/en/unit/light.md
index 50b526f3..9debe75c 100644
--- a/docs/en/unit/light.md
+++ b/docs/en/unit/light.md
@@ -34,8 +34,11 @@ We add some extra work to strengthen the circult, a Dual Differential Comparator
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_Light.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/makey.md b/docs/en/unit/makey.md
index d3de629b..cfa9c5c6 100644
--- a/docs/en/unit/makey.md
+++ b/docs/en/unit/makey.md
@@ -57,8 +57,11 @@ Repeat the same operation as above. you will see this sound much better.
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_Makey.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/ncir.md b/docs/en/unit/ncir.md
index fef6d9ae..d1c57a69 100644
--- a/docs/en/unit/ncir.md
+++ b/docs/en/unit/ncir.md
@@ -43,8 +43,11 @@ Connect with M5Core via GROVE A IIC(0x5A).
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_NCIR.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/neoflash.md b/docs/en/unit/neoflash.md
index 5b758b06..c0b54705 100644
--- a/docs/en/unit/neoflash.md
+++ b/docs/en/unit/neoflash.md
@@ -42,8 +42,11 @@ When you plug the GROVE PORTA into M5core, you have convert it into 3 extended G
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_NEOFLASH.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/neopixel.md b/docs/en/unit/neopixel.md
index 9fcbf0b2..78da9c60 100644
--- a/docs/en/unit/neopixel.md
+++ b/docs/en/unit/neopixel.md
@@ -38,8 +38,11 @@
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_NEOPIXEL.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/pahub.md b/docs/en/unit/pahub.md
index 07ae700f..8b206361 100644
--- a/docs/en/unit/pahub.md
+++ b/docs/en/unit/pahub.md
@@ -60,8 +60,11 @@ The I2C address of this unit is 0x70 (changable by resistors).
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_PaHUB.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/pbhub.md b/docs/en/unit/pbhub.md
index e3461de1..01ea2a49 100644
--- a/docs/en/unit/pbhub.md
+++ b/docs/en/unit/pbhub.md
@@ -38,8 +38,11 @@ See the below picture for timing sequence of HX711:
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_PbHUB.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/pir.md b/docs/en/unit/pir.md
index 8a5f68c1..6255510b 100644
--- a/docs/en/unit/pir.md
+++ b/docs/en/unit/pir.md
@@ -44,8 +44,11 @@ This Unit communicates with the M5Core via the GROVE B.
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_PIR.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/relay.md b/docs/en/unit/relay.md
index 632adb85..31d59414 100644
--- a/docs/en/unit/relay.md
+++ b/docs/en/unit/relay.md
@@ -37,8 +37,11 @@ There are 3 pins named: ON, OFF, COM. You can program to make COM connect to ON
### EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_Relay.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/rfid.md b/docs/en/unit/rfid.md
index 51930a1a..16a3a608 100644
--- a/docs/en/unit/rfid.md
+++ b/docs/en/unit/rfid.md
@@ -50,8 +50,11 @@ Connect this Unit to GROVE PORTA on M5Core, IIC adress is 0x28.
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_RFID.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/rgb.md b/docs/en/unit/rgb.md
index 7de0f125..53e90bec 100644
--- a/docs/en/unit/rgb.md
+++ b/docs/en/unit/rgb.md
@@ -30,8 +30,11 @@ This is a very useful piece on STEM class, students can program it to realize so
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_RGB.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/thermal.md b/docs/en/unit/thermal.md
index d654cb95..1e320be9 100644
--- a/docs/en/unit/thermal.md
+++ b/docs/en/unit/thermal.md
@@ -51,8 +51,11 @@ The Unit communicates with the M5Core through the Grove A interface, IIC address
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_MLX90640.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/tof.md b/docs/en/unit/tof.md
index 55efc350..07dc7c61 100644
--- a/docs/en/unit/tof.md
+++ b/docs/en/unit/tof.md
@@ -54,8 +54,11 @@ This unit comunicates with M5Core via I2C(0x29).
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_TOF.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/trace.md b/docs/en/unit/trace.md
index a1ce3214..84ae0e82 100644
--- a/docs/en/unit/trace.md
+++ b/docs/en/unit/trace.md
@@ -42,8 +42,11 @@ This Unit communicates with the M5Core via GROVE PORTA I2C(0x5A).
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_TRACE.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/weight.md b/docs/en/unit/weight.md
index e52e45e6..6dfaad72 100644
--- a/docs/en/unit/weight.md
+++ b/docs/en/unit/weight.md
@@ -65,8 +65,11 @@ power supply regulator:
## EasyLoader
+
+
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_WEIGHT.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/index.html b/docs/index.html
index 3c55f3b7..e0855db3 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -12,6 +12,14 @@
+
+
+
+
+
+
+
+
diff --git a/docs/zh_CN/app/demo-board.md b/docs/zh_CN/app/demo-board.md
index 920fa8df..b8ec6517 100644
--- a/docs/zh_CN/app/demo-board.md
+++ b/docs/zh_CN/app/demo-board.md
@@ -7,7 +7,6 @@
:memo:**[描述](#描述)** **[原理图](#原理图)** :bulb:**[上手指南](#上手指南)** :octocat:**[例程](#案例)** 🛒**[购买链接](https://item.taobao.com/item.htm?spm=a2oq0.12575281.0.0.55a11debQawlvD&ft=t&id=595173726730)**
-
## 描述
**Demo Board** 是一款学习开发板.采用M5Core作为控制核心，完全兼容模块堆叠与硬件拓展体系.
@@ -35,7 +34,7 @@
- 四相五线制步进电机
- 无线射频识别读卡器
- RS-458，RS232通信功能
-
+
## 套件清单
diff --git a/docs/zh_CN/faq.md b/docs/zh_CN/faq.md
index 03c0448f..9f524e0e 100644
--- a/docs/zh_CN/faq.md
+++ b/docs/zh_CN/faq.md
@@ -1,73 +1,128 @@
# 常见问题解答 {docsify-ignore-all}
-**[CORE](#CORE-Question)** **[UNIT](#UNIT-Question)**
+**[M5CORE](#M5CORE-Question)** **[UNIT](#UNIT-Question)**
-## CORE Question
-- **Q1: 这些 M5Core 之间有什么区别？M5Stick 之间也有什么区别？**
+## M5CORE 相关问题
- 这些主控主要区别在内部硬件配置和套件搭配上，从基础版到升级版，分别是增加了姿态传感器 MPU9250和加大了 RAM 和 FLASH，具体区别请访问[这里](https://github.com/m5stack/M5-Schematic/blob/master/Core/hardware_difference_between_cores_zh_CN.md)。
+- **Q1: 不同的M5主机之间有什么区别？**
-
+
+
+
+ 
+ Solution: you need to connect the capacitor between RST pin and GND pin in your Core (Capacitance value is more than 0.1 uF) or connect GPIO 0 with GND when downloading your firmware so that GPIO 0 keeps low level for an enough time as the third following picture shows.
+
+
+
+
+
+
+ 
+ This is normal, because there is no main.py file in the program, so this warning is available.
+
+ 
+ 
+
+
>1.EasyLoader is a simple and fast program burner, and each product page has a product-related case program for EasyLoader.
-[Click here to download](https://m5stack.oss-cn-shenzhen.aliyuncs.com/EasyLoader/Unit/EasyLoader_ADC.exe)
>2.After downloading the software, double-click to run the application, connect the M5 device to the computer via the data cable, select the port parameters, and click **"Burn"** to start burning.
diff --git a/docs/en/unit/angle.md b/docs/en/unit/angle.md
index 820e10f8..551403c0 100644
--- a/docs/en/unit/angle.md
+++ b/docs/en/unit/angle.md
@@ -43,10 +43,13 @@ The Unit's Grove interface is black, indicating an analog interface that needs t
- **[Forum](http://forum.m5stack.com/)**
-## Test Firmware：EasyLoader
+## EasyLoader
+
+
## 套件清单
diff --git a/docs/zh_CN/faq.md b/docs/zh_CN/faq.md
index 03c0448f..9f524e0e 100644
--- a/docs/zh_CN/faq.md
+++ b/docs/zh_CN/faq.md
@@ -1,73 +1,128 @@
# 常见问题解答 {docsify-ignore-all}
-**[CORE](#CORE-Question)** **[UNIT](#UNIT-Question)**
+**[M5CORE](#M5CORE-Question)** **[UNIT](#UNIT-Question)**
-## CORE Question
-- **Q1: 这些 M5Core 之间有什么区别？M5Stick 之间也有什么区别？**
+## M5CORE 相关问题
- 这些主控主要区别在内部硬件配置和套件搭配上，从基础版到升级版，分别是增加了姿态传感器 MPU9250和加大了 RAM 和 FLASH，具体区别请访问[这里](https://github.com/m5stack/M5-Schematic/blob/master/Core/hardware_difference_between_cores_zh_CN.md)。
+- **Q1: 不同的M5主机之间有什么区别？**
- 
+
- **Q2: 如何关闭 M5Core 的喇叭功能？**
+