How can I resolve "ESP_ERR_ESPNOW_IF: Interface error" when using ESP-NOW with SoftAP on ESP32?
Hey guys I'm facing an issue with my ESP32 project, where the central controller acts as a soft Wi-Fi access point with a web server and communicates with three peripheral devices via ESP-NOW. Despite ensuring that the Wi-Fi and ESP-NOW channels are identical, I keep seeing the error "ESP_ERR_ESPNOW_IF: Interface error" when calling
This project extends my previous ESP32 home automation hub with predictive maintenance, where I used ESP32 boards for sensor data collection and OTA updates. Now, I'm trying to integrate ESP-NOW communication with the web server and SoftAP capabilities. I've tried switching to SoftAP mode, but the issue persists. How can I resolve this and ensure reliable communication between the devices?
esp_now_send()This project extends my previous ESP32 home automation hub with predictive maintenance, where I used ESP32 boards for sensor data collection and OTA updates. Now, I'm trying to integrate ESP-NOW communication with the web server and SoftAP capabilities. I've tried switching to SoftAP mode, but the issue persists. How can I resolve this and ensure reliable communication between the devices?
Solution
The error typically occurs immediately after calling
esp_now_send()esp_now_buffer_count()
The DevHeads IoT Integration Server accelerates technology engineering by helping pro devs learn, share and collaborate.
2,984Members
Resources
Recent Announcements
Similar Threads
Was this page helpful?
