DOCS improvements

docs/use/ble.md

@@ -44,7 +44,8 @@ Note that the gateway return one or two measurement value each time. The differe
 * Steps
 * Weight
 * Impedance
-* Battery (mi jia only)
+* Battery
+* Voltage
 
 The infos will appear like this on your MQTT broker:
 
@@ -116,7 +117,7 @@ If you want to change the minimum RSSI value accepted for a device to be publish
 
 you can also accept all the devices by the following command:
 
-`mosquitto_pub -t home/OpenMQTTGateway/commands/MQTTtoBT/config -m '{"minrssi":0}'`
+`mosquitto_pub -t home/OpenMQTTGateway/commands/MQTTtoBT/config -m '{"minrssi":-200}'`
 
 The default value is set into config_BT.h
 

docs/use/boards.md

@@ -4,10 +4,16 @@
 
 ### Erasing the flash
 
-So as to erase the flash memory on ESP boards you may do a long press to TRIGGER_GPIO button or connect the pin to the ground.
+So as to erase the flash memory on ESP boards you may do a long press to TRIGGER_GPIO button or connect the pin TRIGGER_GPIO to the ground during several seconds.
+
+On M5Stack boards you may do a long press to these buttons:
+* Button B on M5StickC (GPIO 37)
+* Button C on M5Stack (GPIO 37)
+* Button lateral on M5stick (GPIO 35)
+
 
 ### Low power mode for ESP32
-OpenMQTTGateway support a low power mode for ESP32, this mode can be set by MQTT on a barebone ESP32:
+OpenMQTTGateway support a low power mode for ESP32, this mode can be set by MQTT:
 
 * Normal mode (per default)
 
@@ -65,10 +71,3 @@ OpenMQTTGateway support a low power mode for ESP32, this mode can be set by MQTT
 `mosquitto_pub -t "home/OpenMQTTGateway/commands/MQTTtoBT/config" -m '{"low_power_mode":2}'`
 
 The low power mode can be changed also with a push to button B when the board is processing (top button on M5stickC and middle button of M5stack).
-
-### Erasing the flash
-
-So as to erase the flash memory on M5Stack boards you may do a long press to TRIGGER_GPIO button:
-* Button B on M5StickC (GPIO 37)
-* Button C on M5Stack (GPIO 37)
-* Button lateral on M5stick (GPIO 35)