#esp32-p4

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• ESP32 Robot: Phone Voice and Dual-Speaker Replies

  Android 1.4.19 adds phone speech input and Xiaozhi replies on both the phone and robot.

  Nov 5, 2026 · esp32-p4, robotics, audio, android, project-update

• ESP32 Robot Update: Web Control, Account Permissions, and Reliable OTA

  Firmware 2.4.11 and Android 1.4.5: a browser and iPhone controller, signed permissions, a second OTA reset fix, infrared air-conditioning control, and clearer diagnostics.

  Oct 25, 2026 · esp32-p4, robotics, ota, ipv6, web-control, project-update

• ESP32-P4 + C6 Wi-Fi: When esp_wifi_set_ps() Does Nothing and Your First Packet Takes 1 Second

  An early P4/C6 firmware combination showed a large first-packet delay. A 20 Hz keepalive helped; later testing also identified a hosted-firmware mismatch and verified power saving was disabled.

  Aug 26, 2026 · esp32-p4, esp32-c6, wifi, networking, latency

• ESP32-P4 GPIOs Stuck at 1.2 V: The Internal LDO Power Domain Trap

  Four unrelated-looking motor and encoder bugs on an ESP32-P4 board turned out to be one missing line: GPIO45-54 sit on a power domain fed by the chip internal LDO, and nobody had turned it on.

  Aug 18, 2026 · esp32-p4, esp-idf, hardware, debugging