change hex pic and add accel product features

docs/en/core/m5stickc.md

@@ -129,6 +129,13 @@ M5stickC is one of the core devices in M5Stack product series which is built in
  <tr><td>power management IC</td><td>SCL</td><td>SDA</td>
 </table>
 
+**AXP192**
+
+<table>
+ <tr><td>INLED</td><td>TFT</td><td>RTC</td><td>ESP32</td>
+ <tr><td>LD02</td><td>LD03</td><td>LD01</td><td>DIC DCI</td>
+</table>
+
 **M5StickC extendable IO at top**
 
 <img src="assets/img/product_pics/core/minicore/m5stickc/m5stickc_04.png" alt="gray_02" width=100% height=100%>

docs/en/unit/hex.md

@@ -1,6 +1,6 @@
 # Unit HEX {docsify-ignore-all}
 
-<img src="assets/img/product_pics/unit/unit_hex_01.png" width="30%" height="30%">
+<img src="assets/img/product_pics/unit/unit_hex_01.jpg" width="30%" height="30%">
 
 ***
 

docs/ja/unit/hex.md

@@ -1,6 +1,6 @@
 # HEX {docsify-ignore-all}
 
-<img src="assets/img/product_pics/unit/unit_hex_01.png" width="30%" height="30%">
+<img src="assets/img/product_pics/unit/unit_hex_01.jpg" width="30%" height="30%">
 
 ***
 

docs/zh_CN/core/m5stickc.md

@@ -119,6 +119,13 @@ M5stick C 是 M5Stack 产品系列中的核心设备之一，该产品系列建
  <tr><td>电源管理芯片</td><td>SCL</td><td>SDA</td>
 </table>
 
+**AXP192**
+
+<table>
+ <tr><td>INLED</td><td>TFT</td><td>RTC</td><td>ESP32</td>
+ <tr><td>LD02</td><td>LD03</td><td>LD01</td><td>DIC DCI</td>
+</table>
+
 **M5StickC 顶部拓展的 IO 口**
 
 <img src="assets/img/product_pics/core/minicore/m5stickc/m5stickc_04.png" alt="gray_02" width=100% height=100%>

docs/zh_CN/unit/accel.md

@@ -20,6 +20,10 @@
 
 ## 产品特性
 
+- 测量范围：±16g
+- 用户可选的分辨率:
+    10位固定分辨率
+    分辨率随g范围提高而提高，±16 g时高达13位 (在所有g范围内保持4 mg/LSB的比例系数) 
 - 电源电压范围：2.0 V至3.6 V 
 - 低功耗：VS = 2.5 V时(典型值)，测量模式下低至23 µA，待 机模式下为0.1 µA 
 - 单振/双振检测 

docs/zh_CN/unit/hex.md

@@ -1,6 +1,6 @@
 # Unit HEX {docsify-ignore-all}
 
-<img src="assets/img/product_pics/unit/unit_hex_01.png" width="30%" height="30%">
+<img src="assets/img/product_pics/unit/unit_hex_01.jpg" width="30%" height="30%">
 
 ***