Questions tagged [sx1276]

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SX1276_FSK Modem_Maximum Payload Length

I've been scanning the SX1276 datasheet recently and found the thing that puzzled me. It says that in Packet Mode the device is using FIFO as the payload source. The maximum size is 2047 bytes for FSK/...
Bushpulbek's user avatar
-1 votes
1 answer
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SX1276 Interrupt Flags never clear, and digital IO lines never rise/fall

I am using an SX1276 chip from Paradisetronic. I adapted the Arduino RadioLib library to my board (Beaglebone Black Rev C). I noticed that the IRQ flags will not be cleared. According to the manual (...
lrdewaal's user avatar
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Does the lora E32-900T30D module (SX1276) have encryption?

I have an ebyte's E32-900T30D module (based on Semtech's sx1276) that I plan to use in a project, and I've got totally confused about presence (or absence) of built in encryption in it. Each and every ...
Nhfb9E's user avatar
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Can I control the DIOs of SX1276 using another Microcotroller?

I want to know if I can use the 6 DIO pins on the SX1276 LoRa module as regular GPIO pins. Here is the context. I have an Arduino Nano RP2040 Connect Board. https://docs.arduino.cc/hardware/nano-...
WhiteShark's user avatar
-2 votes
1 answer
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Are SX1276 DIOx pins necessary?

This is about a SX1276 Semtech chip dev custom board: For this project, is there anything missed when not connecting any of the DIOx pins to my microcontroller? I meant, in my project I have no pins ...
Emanuel M's user avatar
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2 votes
1 answer
417 views

SX1276 LoRa - Implicit mode - Not knowing PayloadLength at reception

I'm trying to use SX1276 in Implicit Header Mode, and extracting the PayloadLength after ValidHeader interrupts. The first byte ...
daniel_smd's user avatar
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1k views

Lora Ra-02(SX1278) Module Maximum Transmission Distance (Non LOS)

I was trying Lora Communication for a Project and i m having trouble getting the required range. Im using an Ra-02 module (433Mhz) with antenna(433MHz 3db 5cm) and i was able to get a 300m range(Not ...
Nikhil Ben George's user avatar
1 vote
2 answers
385 views

Continuous wave on SX1276

I'm trying to send CW (like hello world) with the SX1278 on ttgo t-beam. I've read the datasheet and some examples and come to this code: ...
Libor Tomsik's user avatar
1 vote
0 answers
1k views

LoRa RX-Single Mode Inconsistent RX-Timeout Interrupts

I'm trying to implement LoRa communications using an SX1276 module (DRF1276G) and an ATmega328P on a custom PCB. I've got it mostly working but I'm having a strange issue with the timeout interrupt. I'...
Joe's user avatar
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2 votes
1 answer
1k views

Can’t get simple LoRa receiver to work

I’m in the process of attempting to create a very simple, small, LoRa sensor based on an sx1276 module and an ATmega328P. My ATmega328p is communicating with the sx1276 module happily, but I can’t ...
Joe's user avatar
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2 answers
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Analyzing the SX1276 FIFO implementation

I've been through the HopeRF95W datasheet a couple of times; some parts less and some parts more. The Payload Data Extraction from FIFO on page 36 is really very clear and concise. Once the ...
Sam Hammamy's user avatar
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1 answer
188 views

Mesh Thread network using Sub-1GHz

I want to implement a Mesh Thread network on Sub-1GHz especially on 868MHz using the Semtech's SX1276 as a radio chip. I bough two modules to do some tests. I'm trying to find out how these kind of ...
MrBit's user avatar
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