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11		-
12		-
13		-
14	14	= 1. Introduction =
15	15
16	16	== 1.1 What is LoRaWAN Pressure Sensor ==
17	17
18	18
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.
	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.
20	20
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.
	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.
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23	23	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.
24	24
25	25	PS-LB supports BLE configure and wireless OTA update which make user easy to use.
26	26
27		-PS-LB is powered by **(% style="color:blue" %)8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
	24	+PS-LB is powered by **8500mAh Li-SOCI2 battery**, it is designed for long term use up to 5 years.
28	28
29	29	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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52	52	== 1.3 Specification ==
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54	54
55		-**(% style="color:#037691" %)Micro Controller:**
	52	+**Micro Controller:**
56	56
57	57	* MCU: 48Mhz ARM
58	58	* Flash: 256KB
59	59	* RAM: 64KB
60	60
61		-**(% style="color:#037691" %)Common DC Characteristics:**
	58	+**Common DC Characteristics:**
62	62
63	63	* Supply Voltage: 2.5v ~~ 3.6v
64	64	* Operating Temperature: -40 ~~ 85°C
65	65
66		-**(% style="color:#037691" %)LoRa Spec:**
	63	+**LoRa Spec:**
67	67
68	68	* Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
69	69	* Max +22 dBm constant RF output vs.
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70	70	* RX sensitivity: down to -139 dBm.
71	71	* Excellent blocking immunity
72	72
73		-**(% style="color:#037691" %)Current Input Measuring :**
	70	+**Current Input Measuring :**
74	74
75	75	* Range: 0 ~~ 20mA
76	76	* Accuracy: 0.02mA
77	77	* Resolution: 0.001mA
78	78
79		-**(% style="color:#037691" %)Voltage Input Measuring:**
	76	+**Voltage Input Measuring:**
80	80
81	81	* Range: 0 ~~ 30v
82	82	* Accuracy: 0.02v
83	83	* Resolution: 0.001v
84	84
85		-**(% style="color:#037691" %)Battery:**
	82	+**Battery:**
86	86
87	87	* Li/SOCI2 un-chargeable battery
88	88	* Capacity: 8500mAh
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90	90	* Max continuously current: 130mA
91	91	* Max boost current: 2A, 1 second
92	92
93		-**(% style="color:#037691" %)Power Consumption**
	90	+**Power Consumption**
94	94
95	95	* Sleep Mode: 5uA @ 3.3v
96	96	* LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
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142	142	=== 1.6.1 Thread Installation Type ===
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144	144
145		-**(% style="color:blue" %)Application:**
	142	+**Application:**
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147	147	* Hydraulic Pressure
148	148	* Petrochemical Industry
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160	160	=== 1.6.2 Immersion Type ===
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162	162
163		-**(% style="color:blue" %)Application:**
	160	+**Application:**
164	164
165	165	Liquid & Water Pressure / Level detect.
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179	179	== 1.7 Sleep mode and working mode ==
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181	181
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.
	179	+**Deep Sleep Mode: **Sensor doesn't have any LoRaWAN activate. This mode is used for storage and shipping to save battery life.
183	183
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.
	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.
185	185
186	186
187	187	== 1.8 Button & LEDs ==
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193	193	(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
194	194	|(% style="width:138px" %)**Behavior on ACT**|(% style="width:100px" %)**Function**|**Action**
195	195	|(% style="width:138px" %)Pressing ACT between 1s < time < 3s|(% style="width:100px" %)Send an uplink|(((
196		-If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, **(% style="color:blue" %)blue led** (%%)will blink once.
	193	+If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, **blue led** will blink once.
197	197
198	198	Meanwhile, BLE module will be active and user can connect via BLE to configure device.
199	199	)))
200	200	|(% style="width:138px" %)Pressing ACT for more than 3s|(% style="width:100px" %)Active Device|(((
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.
	198	+**Green led** will fast blink 5 times, device will enter **OTA mode** for 3 seconds. And then start to JOIN LoRaWAN network.
202	202
203		-**(% style="color:green" %)Green led**(%%) will solidly turn on for 5 seconds after joined in network.
	200	+**Green led** will solidly turn on for 5 seconds after joined in network.
204	204
205	205	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.
206	206	)))