Version 28.1 by Edwin Chen on 2022/06/08 23:45
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Edwin Chen 1.1 1 {{box cssClass="floatinginfobox" title="**Contents**"}}
2 {{toc/}}
3 {{/box}}
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Edwin Chen 5.1 5
6 [[image:image-20220530000243-1.png||height="332" width="531"]]
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Edwin Chen 1.1 9 = Introduction =
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Edwin Chen 8.1 11 == What is GroPoint Air ==
Edwin Chen 7.1 12
Edwin Chen 2.1 13 The Dragino GroPoint is a (% style="color:blue" %)**LoRaWAN Multi Soil Segment Converter**(%%) for IoT of Agriculture. It is designed to connect to [[GroPoint Profile Multi-depth Soil moisture and temperature profile Sensor>>url:https://www.gropoint.com/products/soil-sensors/gropoint-profile]] and get GroPoint Profile’s reading and send it to IoT server via LoRaWAN wireless network.
Edwin Chen 1.1 14
Edwin Chen 3.1 15 (% style="color:blue" %)**GroPoint Profile is plug-and-play with GroPoint Air**(%%) to get soil moisture and send via wireless. GroPoint Profile is powered by GroPoint Air, (% style="color:blue" %)**no need external power source**(%%).
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17 The LoRa wireless technology used in GroPoint Air allows devices 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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19 GroPoint Air is powered by (% style="color:blue" %)**an 8500mAh Li-SOCI2 battery**(%%), it is designed for long-term use for up to 5 years.
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21 Each GroPoint Air is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to the local LoRaWAN server and it will auto-connect after power on.
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Edwin Chen 11.1 23 [[image:image-20220530002019-2.png||height="295" width="655"]]
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Edwin Chen 11.1 26 == Features ==
Edwin Chen 1.1 27
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Edwin Chen 11.1 29 * LoRaWAN 1.0.3 Class A
30 * Ultra-low power consumption
31 * Supports GroPoint Profile
32 * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
33 * AT Commands to change parameters
34 * Uplink on periodically
35 * Downlink to change configure
36 * IP66 Waterproof Enclosure
37 * 8500mAh Battery for long term use
Edwin Chen 1.1 38
Edwin Chen 11.1 39 == Probe Specification ==
Edwin Chen 1.1 40
Edwin Chen 11.1 41 GroPoint Air includes an M12 5-pin connector, the pins definition matches GroPoint Profile M12 version probes. Users can connect this connector to GroPoint Profile directly.
Edwin Chen 1.1 42
Edwin Chen 12.1 43 GroPoint Profile includes a series of multi-depth soil moisture and temperature sensors. The specification for GroPoint Profile can be found here: [[https:~~/~~/www.gropoint.com/products/soil-sensors/gropoint-profile>>https://www.gropoint.com/products/soil-sensors/gropoint-profile]]
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Edwin Chen 12.1 46 == Applications ==
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Edwin Chen 11.1 48 * Smart Agriculture
Edwin Chen 1.1 49
Edwin Chen 11.1 50 == Pin Mapping ==
51
52 Inner PCB Pin mapping for reference:
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54 [[image:image-20220530002453-3.png||height="262" width="493"]]
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56
Edwin Chen 25.1 57 = Use AT Command =
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Edwin Chen 25.1 59 == Access AT Commands ==
60
61 GroPoint Air supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to GroPoint Air for using AT command, as below.
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Edwin Chen 27.1 63 [[image:Main.User Manual for LoRaWAN End Nodes.LLMS01-LoRaWAN Leaf Moisture Sensor User Manual.WebHome@1654593668970-604.png||height="297" width="474"]]
Edwin Chen 25.1 64
65 **Connection:**
66
67 (% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
68
69 (% style="background-color:yellow" %)** USB TTL TXD <~-~-~-~-> UART_RXD**
70
71 (% style="background-color:yellow" %)** USB TTL RXD <~-~-~-~-> UART_TXD**
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74 In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for GroPoint Air. GroPoint Air will output system info once power on as below:
75
Edwin Chen 27.1 76 [[image:Main.User Manual for LoRaWAN End Nodes.LLMS01-LoRaWAN Leaf Moisture Sensor User Manual.WebHome@1654653659449-932.png||height="471" width="674"]]
Edwin Chen 25.1 77
78 Valid AT Command please check [[Configure Device>>||anchor="H3.ConfigureLLMS01viaATCommandorLoRaWANDownlink"]].
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Edwin Chen 28.1 81 = Battery & How to replace =
82
83 == Battery Type ==
84
85 GroPoint Air is equipped with a [[8500mAH ER26500 Li-SOCI2 battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]. The battery is an un-rechargeable battery with a low discharge rate targeting more than 5 years use. This type of battery is commonly used in IoT targets for long-term running, such as water meters.
86
87 The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
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90 [[image:http://8.211.40.43/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLMS01-LoRaWAN%20Leaf%20Moisture%20Sensor%20User%20Manual/WebHome/1654593587246-335.png?rev=1.1||alt="1654593587246-335.png" height="408" width="574"]]
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92 Minimum Working Voltage for the GroPoint Air:
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94 GroPoint Air:  2.45v ~~ 3.6v
95
96 == ==
97
98 == Replace Battery ==
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100 Any battery with a range 2.45 ~~ 3.6v can be a replacement. We recommend using Li-SOCl2 Battery.
101
102 And make sure the positive and negative pins match.
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104 == ==
105
106 == Power Consumption Analyze ==
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108 Dragino Battery-powered products are all runs in Low Power mode. We have an updated battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit intervals.
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110 Instruction to use as below:
111
112
113 **Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: [[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]]
114
115
116 **Step 2**: Open it and choose
117
118 * (((
119 Product Model
120 )))
121 * (((
122 Uplink Interval
123 )))
124 * (((
125 Working Mode
126 )))
127
128 And the Life expectation in difference case will be shown on the right.
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130 [[image:http://8.211.40.43/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLMS01-LoRaWAN%20Leaf%20Moisture%20Sensor%20User%20Manual/WebHome/1654593605679-189.png?rev=1.1||alt="1654593605679-189.png"]]
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132 The battery-related documents as below:
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134 * (((
135 [[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
136 )))
137 * (((
138 [[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
139 )))
140 * (((
141 [[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]]
142 )))
143
144 [[image:http://8.211.40.43/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LLMS01-LoRaWAN%20Leaf%20Moisture%20Sensor%20User%20Manual/WebHome/image-20220607172042-11.png?rev=1.1||alt="image-20220607172042-11.png"]]
145
146 === 4.3.1 ​Battery Note ===
147
148 The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
149
150 === ​4.3.2 Replace the battery ===
151
152 You can change the battery in the LLMS01.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
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154 The default battery pack of LLMS01 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
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Edwin Chen 18.1 160 = FAQ =
161
162 == How to change the LoRa Frequency Bands/Region ==
163
Edwin Chen 24.1 164 You can follow the instruction here: [[how to upgrade image>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome||anchor="H2.HardwareUpgradeMethodSupportList"]].
165 When downloading the images, choose the required image file for download. ​
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167
Edwin Chen 19.1 168 = Trouble Shooting =
Edwin Chen 18.1 169
Edwin Chen 19.1 170 == AT Commands input doesn’t work ==
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172 In case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while pressing the send key, user need to add ENTER in their string.
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Edwin Chen 11.1 176 = Order Info =
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178 Part Number: **GROPOINT AIR-M-XX**
179
180 **XX**: The default frequency band
181
182 * **AS923**: LoRaWAN AS923 band
183 * **AU915**: LoRaWAN AU915 band
184 * **EU433**: LoRaWAN EU433 band
185 * **EU868**: LoRaWAN EU868 band
186 * **KR920**: LoRaWAN KR920 band
187 * **US915**: LoRaWAN US915 band
188 * **IN865**: LoRaWAN IN865 band
189 * **CN470**: LoRaWAN CN470 band
190
Edwin Chen 16.1 191 = ​Packing Info =
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Edwin Chen 17.1 193 **Package Includes:  **
Edwin Chen 16.1 194
Edwin Chen 17.1 195 * GroPoint Air-M x 1
196
197 **Dimension and weight:**
198
199 * Device Size: cm
200 * Device Weight: g
201 * Package Size / pcs : cm
202 * Weight / pcs : g
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Edwin Chen 16.1 204

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