Search found 3 matches

by OllyLi
Sun Sep 08, 2024 3:06 am
Forum: General Discussion
Topic: Current draw when transmitting ESPNOW
Replies: 4
Views: 1767

Re: Current draw when transmitting ESPNOW

The TX sends data every 20ms, and here are what I observed: ... 3. If TX sends data in unicast, and RX is OFF (the TX send_cb would get status as FAILED), the TX draws ~300mA and the whole thing gets so hot and the module would randomly reboot itself maybe because of overheating... Note that with E...
by OllyLi
Sun Sep 08, 2024 3:05 am
Forum: General Discussion
Topic: Current draw when transmitting ESPNOW
Replies: 4
Views: 1767

Re: Current draw when transmitting ESPNOW

Probably related (WiFi driver retrying many times): https://github.com/espressif/esp-idf/issues/9383 And that indicates that no changes are planned so you might consider exclusively using broadcasts instead, with your own acknowledgement implementation on top of that if necessary. That maybe the ca...
by OllyLi
Tue Sep 03, 2024 6:22 pm
Forum: General Discussion
Topic: Current draw when transmitting ESPNOW
Replies: 4
Views: 1767

Current draw when transmitting ESPNOW

I am observing some interesting behavior. I have one ESP32S3 module being TX and one being RX, communicating with ESPNOW. The TX sends data every 20ms, and here are what I observed: 1. If the TX sends data in broadcast, the current draw of the whole module is around 100mA~150mA (5V), whether if the ...