Anyone In Italy?

[folletto95]

I hope to not be the only Italian?

[sonic1k]

no you are not the only one

[IZ0DZX]

hello you are not alone! I try to develop a mesh net with my actual set of LoRa Meshtastic 1.8 platform.
I would like to exchange some experience about it. If you want write me a PM to iz0dzx@gmail.com

[folletto95]

I will write you soon, I’m also testing my mesh but I have to figure how send messages from time to time to test the rage. Have you any suggestion how to do with python api?

[CycloMies]

You might find these posts useful:

Python API release notes

This is very nice. For range testing i connect one device to my computer and run this script on it: import meshtastic import time interface = meshtastic.StreamInterface() while 1: str = time.strftime("%a, %H:%M:%S", time.gmtime()) interface.sendText(str) time.sleep(60) Each minute i get a notification on the device i bring on my walk. It is easy to see when you get out of range. So far i have only been 1 km out and had no missed messages.

Data bandwidth and latency

Hello, Today I tried to make some bandwidth test but no luck to get more than 1 message per second (: channel_settings { tx_power: 23 modem_config: Bw500Cr45Sf128 psk: "\327\241i\317\275\025y\301F\273t:\217\346@F\371\344\345\274\371D\336\007W\335\001i\336~Nc" name: "G1" } Pyhton script send 6 messages via first device import time import meshtastic interface = meshtastic.StreamInterface("COM6") for x in range(6): interface.sendText(str(x),'^all', False, False) and meshtastic…

Antenna improved range

My take of someone else post. Sorry, I forgot who. import meshtastic import time count = 0 interface = meshtastic.StreamInterface() while 1: str = time.strftime("%a, %H:%M:%S", time.localtime()) str =str + " \n\rDennis CQ CQ CQ " + ("\n\r message count = %d " %count) + “\n\r” interface.sendText(str) print(str) time.sleep(60) count += 1

Python API via USB

SInce bluetooth/Android are a bit of a struggle to get & remain connected, I though that I would give the Python API a try - but I have very little experience with Python so the comment ```# By default will try to find a meshtastic device, otherwise provide a device path like /dev/ttyUSB0 doesn’t help as I do not know how to change the path. Could anyone provide the alternative code to replace: *import meshtastic* *interface = meshtastic.StreamInterface()* *interface.sendText("hello mesh")* TT…

Python API setup issues

Making some progress… Messages are sometimes sent via the meshtastic executable but basit pythin has some issues: pi@pi-nas:~/meshtastic $ python3 experiment.py ERROR:root:Node not found for fromId ERROR:root:Error handling FromRadio, possibly corrupted? 40 Traceback (most recent call last): File "/home/pi/.local/lib/python3.7/site-packages/meshtastic/__init__.py", line 404, in __reader self._handleFromRadio(self._rxBuf[HEADER_LEN:]) File "/home/pi/.local/lib/python3.7/site-packages/me…

Meshtastic-Python current_packet_id help

I was interested in identifying any packets (sendText messages) that get lost so I would be able to resend them but I noticed that when querying meshtastic.StreamInterface().myInfo the current_packet_id never changes (even after sending a new packet). Is there another way to get the current id of the most recent packet sent or should I increment the packet id myself? This can be valided with the script below which will query myInfo then send a new packet in a loop. import meshtastic import tim…

Off-Grid Field Test: Meshtastic-Python, Heltec & custom board, hop connections

(filling in details in spare moments today ) … In case it’s useful, below is the Meshtastic-Python script I used on my ‘base station’ (a laptop with a Heltec Meshtastic widget plugged into a USB port) to listen for messages and reply to them, adding the SNR. I also added ‘hopLimit’, because at the time I thought it was a measure of the number of hops (not, as I now realize should have been obvious, a limit on the number of hops). import meshtastic import time from pubsub import…

self.currentPacketId = (self.currentPacketId + 1) & 0xffffffff TypeError: unsupported operand type(s) for +: 'NoneType' and 'int'

Hi, You can install the python client as described here The basic steps are $ pip3 install --upgrade meshtastic $ meshtastic --help $ meshtastic --seriallog stdout This works on Linux. I would assume the same goes for unix.

Handling FromRadio, possibly corrupted?

Hi, I’m trying the example from https://meshtastic.github.io/Meshtastic-python/meshtastic/index.html#meshtastic.MeshInterface import meshtastic from pubsub import pub def onReceive(packet): # called when a packet arrives print(f"Received: {packet}") def onConnection(): # called when we (re)connect to the radio # defaults to broadcast, specify a destination ID if you wish interface.sendText("hello mesh") pub.subscribe(onReceive, "meshtastic.receive") pub.subscribe(onConnection, …

[folletto95]

I’m starting from the easy task, but i’m stuck in whit this error.

Someone can help me?

import meshtastic
interface = meshtastic.SerialInterface() # By default will try to find a meshtastic device, otherwise provide a device path like /dev/ttyUSB0
interface.sendText("hello mesh") # or sendData to send binary data, see documentations for other options.

Traceback (most recent call last):
File “C:/Users/NICCO/Desktop/Prova/Hello mesh.py”, line 3, in
interface.sendText(“hello mesh”) # or sendData to send binary data, see documentations for other options.
File “C:\Users\NICCO\AppData\Local\Programs\Python\Python39\lib\site-packages\meshtastic_init_.py”, line 130, in sendText
return self.sendData(text.encode(“utf-8”), destinationId,
File “C:\Users\NICCO\AppData\Local\Programs\Python\Python39\lib\site-packages\meshtastic_init_.py”, line 146, in sendData
return self.sendPacket(meshPacket, destinationId, wantAck=wantAck)
File “C:\Users\NICCO\AppData\Local\Programs\Python\Python39\lib\site-packages\meshtastic_init_.py”, line 198, in sendPacket
meshPacket.id = self.generatePacketId()
File "C:\Users\NICCO\AppData\Local\Programs\Python\Python39\lib\site-packages\meshtastic_init.py", line 294, in _generatePacketId
raise Exception(“Not connected yet, can not generate packet”)
Exception: Not connected yet, can not generate packet

Board: Lora32
Region: EU 868
Fw: 1.1.7

Board: Tbeam
Region: EU 868
Fw: 1.1.7

[CycloMies]

What is the outputs of meshtastic --test and meshtastic --info --device /dev/ttyUSB0 (change ttyUSB0 to your connected Meshtastic device)?

[folletto95]

I already use meshtastic —info and i see all the stuff. I’m on windows 10 without the path I’m able to talk whit the board.

I find and modified this and seems to work.

import meshtastic
import time
from pubsub import pub

def onReceive(packet, interface): # called when a packet arrives
print(f"Received: {packet}")

def onConnection(interface, topic=pub.AUTO_TOPIC): # called when we (re)connect to the radio
# defaults to broadcast, specify a destination ID if you wish
#interface.sendText(“hello mesh”)
while 1:
str = time.strftime("%a, %H:%M:%S", time.gmtime())
interface.sendText(str)
time.sleep(60)

pub.subscribe(onReceive, “meshtastic.receive”)
pub.subscribe(onConnection, “meshtastic.connection.established”)# By default will try to find a meshtastic device, otherwise provide a device path like /dev/ttyUSB0

interface = meshtastic.SerialInterface()

Now I have some range issues, but i have to optimize the setup and give a good place for the antenna on my static node and replace the stock one for the mobile node.
I hope to be able to remote it on my balcony and have less things in the way.

[CycloMies]

You could build a simple, but efficient, half-wave dipole antenna, or a sleeve dipole antenna. Examples: https://www.youtube.com/watch?v=KWLTKgrOTZM and https://www.youtube.com/watch?v=wcho1gJ2xEQ

NanoVNA can be used to measure the antennas (make the elements a bit bigger, and then cut them accurate according to NanoVNA measurements): Antenna improved range

[folletto95]

I’m trying a 1/4 wave ground plane antenna that I built. I hope to have time to make some test.

[podi62]

Hi Folletto95, hello from a newbie to meshtastic from the Salerno county.

[folletto95]

@podi62 Hi I’m near Siena

[IZ1IVA]

Ciao, I’m setting up a fixed, solar-powered node 40 km North from Torino on 868 MHz. Now it’s on most every night on a balcony facing South-West.

[IZ1IVA]

I’ve just created a Telegram group for Meshtastic users based in Italy. The idea is to facilitate local network building, distance records, etc.

I hope @geeksville doesn’t mind, else I’ll close the group immediately.

You can join through the invitation link: t.me/meshtastic_italia

Cheers,
Andrea

[geeksville]

Sounds great to me. In fact if you want to add a link from the main website, feel free to edit docs/readme.md and send in a pull request. Ideally add a section for “related groups”.

[folletto95]

Ciao, do you have added your node on the map? The two in Tuscany are mine

[IZ1IVA]

Thank you Kevin!

I’m not familiar with the inner workings of your website, should I edit Meshtastic-device/README.md in Github?

[IZ1IVA]

Not yet, as it’s still neither on the roof nor working 24/7.

[geeksville]

Almost: You want to edit Meshtastic-device/docs/README.md. That’s the file that through github magic becomes www.meshtastic.org’s homepage.

[IZ1IVA]

Oh I see! Will do, thanks!