RF-Star 42UH LoRa Module Manuals

Manuals and User Guides for RF-Star 42UH LoRa Module. We have 1 RF-Star 42UH LoRa Module manual available for free PDF download: Manual

RF-Star 42UH Manual

RF-Star 42UH Manual (36 pages)

SX1276 868 MHz & 915 MHz LoRa Module

Brand: RF-Star | Category: Control Unit | Size: 1 MB

Table of Contents

RF-Star Lora Module List
2
Device Overview
3
Description
3
Key Features
3
Applications
3
Functional Block Diagram
4
Part Number Conventions
4
Figure 1. Functional Block Diagram of RF-83UP
4
Figure 2. Part Number Conventions of RF-83UP
4
Table of Contents
5
Table of Figures
6
Table of Tables
7
Module Configuration and Functions
8
Module Parameters
8
Table 1. Parameters of RF-83UP
8
Module Pin Diagram
9
Pin Functions
9
Figure 3. Pin Diagram of RF-83UP
9
Table 2. Pin Functions of RF-83UP
9
Specifications
11
Recommended Operating Conditions
11
Handling Ratings
11
Current Consumption
11
Table 3. Recommended Operating Conditions of RF-83UP
11
Table 4. Handling Ratings of RF-83UP
11
Table 5. Current Consumption of RF-83UP
11
Application and Layout
13
Module Photos
13
Recommended PCB Footprint
13
Figure 4. Photos of RF-83UP
13
Figure 5. Recommended PCB Footprint of RF-83UP (MM)
13
Schematic Diagram
14
Reference Design of the Connection between MCU and Module
14
Figure 6. Schematic Diagram of RF-83UP
14
Figure 7. Reference Design of the Connection between MCU and Module
14
Module Working Mode
15
Working Mode
15
Mode Switching (0 for Low Level, 1 for High Level)
15
Normal Mode
16
Wake-Up Mode
17
Low-Power Mode
17
Sleep Mode
17
Data Security
18
Module Functions
19
Transparent Transmission
19
Fixed Point Transmission
19
Figure 8. Transparent Transmission Function Diagram
19
Broadcast and Listening
20
Module Reset
20
Figure 9. Point Transmission Function Diagram
20
Function
21
Figure 10. en Timing Diagram of Wake-Up Sleep MCU
21
Figure 11. en Timing Diagram During Sending Data
21
Figure 12. en Timing Diagram During Receiving Data
22
Figure 13. en Timing Diagram During Setting Data
22
Command Format
23
AT Command
23
Parameters of Command Setting
24
Format
24
Detailed Parameters
24
Examples
27
Implementation
31
Hardware Design
31
Trouble Shooting
32
Unsatisfactory Transmission Distance
32
Vulnerable Module
32
High Bit Error Rate
32
Electrostatics Discharge Warnings
32
Soldering and Reflow Condition
33
Table 6. Temperature Table of Soldering and Reflow
33
Optional Packaging
34
Figure 14. Recommended Reflow for Lead Free Solder
34
Figure 15. Optional Packaging Mode
34
Revision History
35
Contact Us
36

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