Search found 52 matches

by gpezzella
Tue Oct 15, 2024 8:59 am
Forum: ESP32 Arduino
Topic: ESP-NOW: How many device I can associate in a case of many to one?
Replies: 1
Views: 769

ESP-NOW: How many device I can associate in a case of many to one?

Hi

I'm using espnow.
My architetture is Many to One
How many transmitted device I can associate to one receiver?

Thanks
by gpezzella
Thu Jul 25, 2024 6:50 pm
Forum: General Discussion
Topic: which is best antenna to use with ESP32-WROOM-32UE?
Replies: 0
Views: 776

which is best antenna to use with ESP32-WROOM-32UE?

Hi

ESP32-WROOM-32UE module have ipex connector.

Which is best antenna to match with it?

Thanks
by gpezzella
Mon Feb 12, 2024 12:29 pm
Forum: Hardware
Topic: ESPNOW: Distance improvement using external antenna
Replies: 1
Views: 1112

ESPNOW: Distance improvement using external antenna

Hi

with ESPNOW and pcb antenna we can transmit at about 200m.

How many meters of improvement I could gain if use external antenna in both side?

Thanks
by gpezzella
Sun Feb 11, 2024 8:14 pm
Forum: ESP32 Arduino
Topic: ESP NOW how improve distance transmission?
Replies: 7
Views: 3112

Re: ESP NOW how improve distance transmission?

Hi
Recompile is too complicated...
I'm in searching in function for set power transmission or something similar to this.

Why LR is not enabled in Arduino???
by gpezzella
Sun Feb 11, 2024 12:34 pm
Forum: ESP32 Arduino
Topic: ESP NOW how improve distance transmission?
Replies: 7
Views: 3112

Re: ESP NOW how improve distance transmission?

Hi
I would improve if possible distance transmission
I'm use this example:
https://espressif-docs.readthedocs-host ... spnow.html

Can I activate LR MODE in that example?

Thanks
by gpezzella
Sun Feb 11, 2024 8:30 am
Forum: ESP32 Arduino
Topic: ESP NOW how improve distance transmission?
Replies: 7
Views: 3112

Re: ESP NOW how improve distance transmission?

From your link:

The Espressif-specific ESP-NOW protocol and Long Range mode, which supports up to 1 km of data traffic
by gpezzella
Sat Feb 10, 2024 9:15 pm
Forum: ESP32 Arduino
Topic: ESP NOW how improve distance transmission?
Replies: 7
Views: 3112

ESP NOW how improve distance transmission?

Hi
After some test I have notice that distance transmission is not 1km as declared but about 200m.
There is some setting that I can do for mprove distance?

Thanks
by gpezzella
Thu Feb 08, 2024 11:53 am
Forum: Documentation
Topic: BUG in slave example of ESP32 NOW
Replies: 3
Views: 10180

Re: BUG in slave example of ESP32 NOW

Hi

I use PlatformIO and arduino project.
This is the link:
https://espressif-docs.readthedocs-host ... spnow.html
by gpezzella
Wed Feb 07, 2024 6:51 pm
Forum: Documentation
Topic: BUG in slave example of ESP32 NOW
Replies: 3
Views: 10180

BUG in slave example of ESP32 NOW

Hi this part is wrong: // callback when data is recv from Master void OnDataRecv(const esp_now_recv_info_t * info, const uint8_t *data, int data_len) { char macStr[18]; snprintf(macStr, sizeof(macStr), "%02x:%02x:%02x:%02x:%02x:%02x", info->src_addr[0], info->src_addr[1], info->src_addr[2], info->sr...
by gpezzella
Tue Feb 06, 2024 6:34 pm
Forum: ESP32 Arduino
Topic: How measure RSSI on transmitter from receiver device?
Replies: 0
Views: 747

How measure RSSI on transmitter from receiver device?

Hi

I should implement many TX to one RX.
I would know RSSI signal of every TX device.
How do it?

I not see any rssi function in esp_now.h file

Thanks