Jiangsu SL700 Air Pressure Sensor E-paper User Manual
- June 13, 2024
- Jiangsu
Table of Contents
SL700 Air Pressure Sensor(E-paper)–ShowDoc
SL700 Air Pressure Sensor(E-paper)
User Manual for SL700 Series(E-Paper)
LoRaWAN Air Pressure Sensor V1.0
Jiangsu Rejeee Intelligent Technology Co., Ltd
Address: No. 20,Xinghuo Road, Jiangbei District, Nanjing, China
Email: [email protected]
Tel: 0086 158 6180 7793
Web: http://www.rejeee.com
General Information
SL700 is long range low power air pressure sensor based on Semtech SX1262/SX1268.
| Sensor Type | Product Number |
|---|---|
| Built-in SHT30，2.9-inch E-Paper | SL700CN, SL700EU,SL700US,SL700AS |
1.1 Main features:
High Sensitivity Sensor
2.9-inch Screen Local Display
Type-C for Local Configuration
Internal Battery Up to 5 Years
LoRa SX1262/SX1268, Long Range Low Power
1.2 Details
| Parameters | Feature |
|---|---|
| Parameters | Feature |
| CPU | STM32L151 |
| Wireless | LoRaWAN(SX1262/SX1268) |
| Encryption | AES128 |
| Battery | Built-in Li-battery (Changeable, and No Recharge) |
| Battery Capacity | 4800mAh |
| E-Paper Temperature | 0℃~+ 50℃ |
| Air pressure range | 300～1250hPa(-40℃～85℃) |
| Sensor Temperature | -45℃~+ 85℃ |
| Sensor Humidity | 0 ~100 %RH |
| Communication | Half duplex |
| Accuracy | Temperature: ±0.3℃ |
Humidity: ±3%RH
Lifespan| 5 Years(Every 30 Minutes for data uploading)
Data Speed| 300bps-62.5k bps
Size| 102mm60mm25mm
TX Power| 22dBm Max
RX Sensitivity| -140 dBm
Frequency| SX1268: CN470
SX1262: EU868 / US915 / AS923
1.3 Size: 102mm60mm25mm
1.4 Installation
User Guide
Make sure antenna is installed before turn on the device.
2.1 Turn on/off the device
When you get the device, it is off, and on the screen, you can find the device
EUI as below, the QR on the screen is Rejeee website. Just press the button
for more than 3 seconds, then you can turn on the device. If you want to turn
off the device, just press the button 3 seconds. You can change the QR code on
the screen to your own
website QR code: SensorTool Manual.
2.2 Information display on screen
The device screen is 2.9-inch low power e-paper, when turn on the device, you
can find information displaying on the screen as below, you can change the
logo as you like. SensorTool Manual.
2.3 USB-C Configuration
There is one USB-C port as below, which is for power on and config, connect
device to laptop with a USB-C cable, and you can config the device, make sure
to install CH34x USB driver and here is the link for driver: USB-to-Serial
Driver.
Data Uploading
When turn on the device, it will send data immediately, also you can press the button a short time(0.1 seconds), then the device will also send data. Normally when you get the device from factory, the reset time for data sending is every 30 mins, and if you want to change the time, you can connect the device to computer for config, here there is instruction about the time configuration. Sensor Tool Manual.
Connect to LoRaWAN Network
LoRaWAN Network Structure
SL101 temperature and humidity sensor is based on standard LoRaWAN Class A, so you can connect to any LoRaWAN network as below through OTAA: On the back of device, you can find information as below, with this information, you can connect to any LoRaWAN server.
Connecting to The Things Network, please make sure choose manually connect and OTAA as below:
| Sensor | LoRaWAN |
|---|---|
| SL100CN | |
| SL100EU | |
| SL100US | |
| SL100AS |
4.1 Set ID and Key
Data analysis example for JavaScript:
Wireless LoraWAN Sensor Data Format
LoRaWAN Format:
Picture as below, FRMPayload is sensor data.
Sensor Data Definition
6.1 Device Information(0x00)
| Type | Value | Value | Value |
|---|---|---|---|
| 1 Byte | 3 bit | 5bit | 1 Byte |
| 0x00 | Version | Battery Level | Reserve |
6.2 Temperature (0x04)
| Type 1 Byte | Value 2 Bytes | Comments |
|---|---|---|
| 0x04 | Temperature | 2-byte signed integer with negative value below zero The |
default unit is 0.1 degrees, that is 201 means 20.1 degrees
e.g. 0xFF88 is -120 (-12℃), Network byte order mode is {04 FF 88}
6.3 Humidity (0x05)
| Type 1 Byte | Value 1 Byte | Comments |
|---|---|---|
| 0x05 | Humidity | Unsigned integer of 1 byte. |
The default unit is 1%RH, that is 10 means 10%RH
0x07| Air Pressure| 4-byte signed integer. The default unit is PA
Local Configuration:
Note: Factory reset data uploading is every 10 mins, customers can change
data uploading frequency as below:
Connect sensor with a USB-C cable to computer for local configuration, through
local configuration, you can change the packet frequency. Refer Sensor Tool
Manual.
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