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11	11	= 1. Introduction =
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13	13	== 1.1 What is LoRaWAN Pressure Sensor ==
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16		-The Dragino PS-LB series sensors are **LoRaWAN Pressure Sensor** for Internet of Things solution. PS-LB can measure Air, Water pressure and liquid level and upload the sensor data via wireless to LoRaWAN IoT server.
	19	+The Dragino PS-LB series sensors are **(% style="color:blue" %)LoRaWAN Pressure Sensor**(%%) for Internet of Things solution. PS-LB can measure Air, Water pressure and liquid level and upload the sensor data via wireless to LoRaWAN IoT server.
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18		-The PS-LB series sensors include **Thread Installation Type** and **Immersion Type**, it supports different pressure range which can be used for different measurement requirement.
	21	+The PS-LB series sensors include **(% style="color:blue" %)Thread Installation Type**(%%) and **(% style="color:blue" %)Immersion Type**(%%), it supports different pressure range which can be used for different measurement requirement.
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20	20	The LoRa wireless technology used in PS-LB allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
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22	22	PS-LB supports BLE configure and wireless OTA update which make user easy to use.
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24		-PS-LB is powered by **8500mAh Li-SOCI2 battery**, it is designed for long term use up to 5 years.
	27	+PS-LB is powered by **(% style="color:blue" %)8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
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26	26	Each PS-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
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49	49	== 1.3 Specification ==
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52		-**Micro Controller:**
	55	+**(% style="color:#037691" %)Micro Controller:**
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54	54	* MCU: 48Mhz ARM
55	55	* Flash: 256KB
56	56	* RAM: 64KB
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58		-**Common DC Characteristics:**
	61	+**(% style="color:#037691" %)Common DC Characteristics:**
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60	60	* Supply Voltage: 2.5v ~~ 3.6v
61	61	* Operating Temperature: -40 ~~ 85°C
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63		-**LoRa Spec:**
	66	+**(% style="color:#037691" %)LoRa Spec:**
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65	65	* Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
66	66	* Max +22 dBm constant RF output vs.
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67	67	* RX sensitivity: down to -139 dBm.
68	68	* Excellent blocking immunity
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70		-**Current Input Measuring :**
	73	+**(% style="color:#037691" %)Current Input Measuring :**
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72	72	* Range: 0 ~~ 20mA
73	73	* Accuracy: 0.02mA
74	74	* Resolution: 0.001mA
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76		-**Voltage Input Measuring:**
	79	+**(% style="color:#037691" %)Voltage Input Measuring:**
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78	78	* Range: 0 ~~ 30v
79	79	* Accuracy: 0.02v
80	80	* Resolution: 0.001v
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82		-**Battery:**
	85	+**(% style="color:#037691" %)Battery:**
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84	84	* Li/SOCI2 un-chargeable battery
85	85	* Capacity: 8500mAh
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87	87	* Max continuously current: 130mA
88	88	* Max boost current: 2A, 1 second
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90		-**Power Consumption**
	93	+**(% style="color:#037691" %)Power Consumption**
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92	92	* Sleep Mode: 5uA @ 3.3v
93	93	* LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
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139	139	=== 1.6.1 Thread Installation Type ===
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142		-**Application:**
	145	+**(% style="color:blue" %)Application:**
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144	144	* Hydraulic Pressure
145	145	* Petrochemical Industry
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157	157	=== 1.6.2 Immersion Type ===
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160		-**Application:**
	163	+**(% style="color:blue" %)Application:**
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162	162	Liquid & Water Pressure / Level detect.
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176	176	== 1.7 Sleep mode and working mode ==
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179		-**Deep Sleep Mode: **Sensor doesn't have any LoRaWAN activate. This mode is used for storage and shipping to save battery life.
	182	+**(% style="color:blue" %)Deep Sleep Mode: **(%%)Sensor doesn't have any LoRaWAN activate. This mode is used for storage and shipping to save battery life.
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181		-**Working Mode:** In this mode, Sensor will work as LoRaWAN Sensor to Join LoRaWAN network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode.
	184	+**(% style="color:blue" %)Working Mode:** (%%)In this mode, Sensor will work as LoRaWAN Sensor to Join LoRaWAN network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode.
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183	183
184	184	== 1.8 Button & LEDs ==
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190	190	(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
191	191	|(% style="width:138px" %)**Behavior on ACT**|(% style="width:100px" %)**Function**|**Action**
192	192	|(% style="width:138px" %)Pressing ACT between 1s < time < 3s|(% style="width:100px" %)Send an uplink|(((
193		-If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, **blue led** will blink once.
	196	+If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, **(% style="color:blue" %)blue led** (%%)will blink once.
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195	195	Meanwhile, BLE module will be active and user can connect via BLE to configure device.
196	196	)))
197	197	|(% style="width:138px" %)Pressing ACT for more than 3s|(% style="width:100px" %)Active Device|(((
198		-**Green led** will fast blink 5 times, device will enter **OTA mode** for 3 seconds. And then start to JOIN LoRaWAN network.
	201	+**(% style="color:green" %)Green led**(%%) will fast blink 5 times, device will enter **(% style="color:#037691" %)OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network.
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200		-**Green led** will solidly turn on for 5 seconds after joined in network.
	203	+**(% style="color:green" %)Green led**(%%) will solidly turn on for 5 seconds after joined in network.
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202	202	Once sensor is active, BLE module will be active and user can connect via BLE to configure device, no matter if device join or not join LoRaWAN network.
203	203	)))