Components
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ATMEGA4808-XUMicrochip Technology
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x 1 | |
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RFM95W-868S2RF Solutions
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x 1 | |
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TPL5010QDDCTQ1Texas Instruments
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x 1 |
Tools, APP Software Used etc.
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DiptraceDiptrace
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arduino IDEArduino
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Description
Arduino compatible LoRa board.
This board was designed for a LoRa workshop, cheap and easy to assemble by hand (the microcontroller has a friendly package).
You can use it on a breadboard to test sensors, to build fast prototypes, for a LoRa workshop at a local maker space, etc...
It contains 3 main components:
- ATmega4808: the microcontroller, to use it with the Arduino IDE you need MegaCoreX: https://github.com/MCUdude/MegaCoreX and an UPDI programmer.
- RFM95W: a low cost LoRa module.
- TPL5010: it is a timer IC, its function is to wake up the microcontroller periodically. Thus, the microcontroller can sleep in its lowest power mode minimizing battery comsuption.
The board is powered by 2 AA (or AAA) batteries that can last several years.
Code
Example. How to connect a SHT21 temperature sensor to the Helium network.
https://github.com/Mullor/Blog/tree/main/Construyendo_dispositivo_lora_parte_3
Schematic and Layout
Schematic
schematic.png
PCB
pcb2.jpg
PCB stackup and layout: Signal-Power\GND\GND\Signal.
PCB_stackup2.png
Nov 11,2023
720 views
end-flag
Arduino compatible LoRa board.
A low cost Arduino compatible LoRa board. It is designed to be used on a breadboard.
720
1
4
7.92 (3)
Published: Nov 11,2023
Download Gerber file 5
BOM(Bill of materials)
PCBWay Donate 10% cost To Author
File Last Updated: 2023/11/11 (GMT+8)
File update record
2023-11-1100:56:05
Gerber file is updated.
Only PCB
PCB+Assembly
*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.
Under the
Attribution-ShareAlike (CC BY-SA)
License.
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Thanks, I appreciate your kind comments.
Hi Yorik, thanks. If you can read Spanish you'll find all the information about this board on these links: http://jmnelectronics.com/archives/12259 http://jmnelectronics.com/archives/12510 http://jmnelectronics.com/archives/12686 Source code: https://github.com/Mullor/Blog/tree/main/Construyendo_dispositivo_lora_parte_3 The PCB source files (Diptrace) and BOM are in the gerber file download.