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chad cormier roussel
@chadouming
I can have access to a professionnal oscilloscope if you need test to be made
ficeto
@ficeto
pic_6_1.bmp
@chadouming we would need it if someone wants to investigate the radio. Which would be really cool...
Markus
@Links2004
i have access to an network analyzer at work, if some to test with tell me.
chad cormier roussel
@chadouming
This message was deleted
image.jpg
ficeto
@ficeto
yeah :) mine is a shitty chineese DSO that I imagine costs a fraction of what those cost
unfortuantelly I have no clue how to use network analizer..
Markus
@Links2004
in basic it shows the raw "data" of the frequencies in the air. like an oscilloscope for radio.
ficeto
@ficeto
a good use for it is to see what power actually comes out of our modules
Markus
@Links2004
yes for example
ficeto
@ficeto
with the different antennas and settings
as we are not yet managing those
i saw a youtube video with a guy that had 300+ meters range with the trace antennas
Markus
@Links2004
free line?
ficeto
@ficeto
yup
Markus
@Links2004
and may not in the city to many noise therer
ficeto
@ficeto
netgear router on the other end
they were on a highway
it was rural but not that much
the other amazing thing is that he used an antenna from a router on another module
and got close to 500 meters
and using a directional mimo adapter, he got 3km +!
I can fly my RC things with that range no problem
Markus
@Links2004
as long no other 2,4Ghz stuff is there it is possible, but most of the time there is to many noise there.
unless you go to the Country.
ficeto
@ficeto
if the ESP really outputs 20dB, my FrSky gear outputs the same...
we all use 2.4 gear for RC :)
slightly different freqs
if there is any 2.4GHz noise, it's coming from other RC guys and the WiFi will be off of that
so might just work :D
Markus
@Links2004
next week i have holidays but after that i can check the ESP12 module output :) may the order ESP7 also be there then i can hook an antenna there.
ficeto
@ficeto
beter try esp-201
it does not have an integrated antenna
i imagine that would change things
well... you can cut the trace to the chip antenna and get the same result
Markus
@Links2004
the ESP-07 has an chip antenna and an connector the chip antenna an be solderer easy :)
ficeto
@ficeto
yeah I have those
wonder if the left over trace would matter
maybe unsolder the cap
Markus
@Links2004
yes shut be better
ficeto
@ficeto
good time to check if wifi would crap the PWM
if that works, i see no reason not to hack a quick TX-RX and give it a shot this weekend
btw... why does this fail? Am I stupid?
WiFiClient client;
  if (!client.connect("www.google.com", 80)) {
    Serial.println("client failed");
    goToSleep(10);
    return;
  }
  client.print("GET / HTTP/1.1\r\nConnection: close\r\n\r\n");
  delay(10);
  size_t len = client.available();
  uint8_t buf[len];
  client.read(buf, len);
  Serial.write(buf, len);
  client.stop();
  uint16_t maxWait = 2000;
  while(client.connected() && maxWait--) {
    delay(1);
  }
it goes to client failed every time
Markus
@Links2004
no wifi?
ficeto
@ficeto
i just got NTP before that and it works fine
this runs if wifi is connected only
Markus
@Links2004
is uint8_t buf[len]; really working?
ficeto
@ficeto
it never gets to that