# \#rtl8735b **URL:** https://forum.amebaiot.com/tag/rtl8735b/30.md [Latest](https://forum.amebaiot.com/latest.md) · [Categories](https://forum.amebaiot.com/categories.md) · [Tags](https://forum.amebaiot.com/tags.md) --- ## [AMB82-Mini Feedback](https://forum.amebaiot.com/t/amb82-mini-feedback/4059)
**Author:** [@KaiFai\_Y](https://forum.amebaiot.com/u/KaiFai_Y)\ **Replies:** 3\ **Last updated:** [April 13, 2026, 6:30am UTC](https://forum.amebaiot.com/t/amb82-mini-feedback/4059 "2026-04-13T06:30:49Z")
We’re currently evaluating suitable camera options and would like to better understand your preferences. Your feedback will help us make more informed decisions on features like IR, zoom, interface, and more. 我們正在評估相機選項… --- ## [RTL8735B Custom CCTV Board – Request for Hardware Schematic Review](https://forum.amebaiot.com/t/rtl8735b-custom-cctv-board-request-for-hardware-schematic-review/5084)
**Author:** [@iswearsolutions](https://forum.amebaiot.com/u/iswearsolutions)\ **Replies:** 2\ **Last updated:** [September 28, 2026, 8:03am UTC](https://forum.amebaiot.com/t/rtl8735b-custom-cctv-board-request-for-hardware-schematic-review/5084 "2026-09-28T08:03:35Z")
Dear Realtek Team, We are developing a custom CCTV camera board based on the RTL8735B. We have completed the initial schematic and would like to request a hardware design review before proceeding with PCB fabrication. … --- ## [AMB82 線上模型轉換問題](https://forum.amebaiot.com/t/amb82/5088)
**Author:** [@nagual1414](https://forum.amebaiot.com/u/nagual1414)\ **Replies:** 2\ **Last updated:** [September 25, 2026, 11:58am UTC](https://forum.amebaiot.com/t/amb82/5088 "2026-09-25T11:58:41Z")
請問目前Online Conversion 是不是有問題呢? 昨天與今天嘗試上傳yolov7-tiny.pt 模型做轉換, 步驟有參考Youtube 影片教學. 但是當我按下SUBMIT 按鈕後, 過幾秒並沒有像之前一樣跳轉網頁, 而是清空剛剛所填的資料. --- ## [Send Audio to gemma4:e2b](https://forum.amebaiot.com/t/send-audio-to-gemma4-e2b/5075)
**Author:** [@rkuo2000](https://forum.amebaiot.com/u/rkuo2000)\ **Replies:** 7\ **Last updated:** [September 25, 2026, 8:12am UTC](https://forum.amebaiot.com/t/send-audio-to-gemma4-e2b/5075 "2026-09-25T08:12:46Z")
Application : AI plush toy LLM Server : EdgeAI-Gallery App with gemma4-e2b (on Android phone) EVB : AMB82-mini APK: EdgeAI-Gallery .apk , EdgeAI-Gallery-1.0.19.zip added text/image/audio API by codex. Code: Ollama\_s… --- ## [State of RTL8735BDM module and ordering](https://forum.amebaiot.com/t/state-of-rtl8735bdm-module-and-ordering/5085)
**Author:** [@sebastian.mevik](https://forum.amebaiot.com/u/sebastian.mevik)\ **Replies:** 1\ **Last updated:** [September 24, 2026, 1:47am UTC](https://forum.amebaiot.com/t/state-of-rtl8735bdm-module-and-ordering/5085 "2026-09-24T01:47:37Z")
Hi, We’re building a product using the RTL8735BDM module and recently ordered a small amount of modules from ICSHOP. For prototyping and small scale testing this is fine, but for actual production this will not be viab… --- ## [Is mDNS officially supported on AmebaPro2? I can't get lwIP mDNS to compile](https://forum.amebaiot.com/t/is-mdns-officially-supported-on-amebapro2-i-cant-get-lwip-mdns-to-compile/5065)
**Author:** [@dzy7455339](https://forum.amebaiot.com/u/dzy7455339)\ **Replies:** 2\ **Last updated:** [September 22, 2026, 7:34am UTC](https://forum.amebaiot.com/t/is-mdns-officially-supported-on-amebapro2-i-cant-get-lwip-mdns-to-compile/5065 "2026-09-22T07:34:51Z")
Hi Realtek team and Ameba community, I’m working on an AmebaPro2 project and want to enable mDNS so that devices on the same network can discover my board via hostname (e.g. my-device.local). I tried enabling the lwIP … --- ## [Send Image to gemma4:e2b](https://forum.amebaiot.com/t/send-image-to-gemma4-e2b/5071)
**Author:** [@rkuo2000](https://forum.amebaiot.com/u/rkuo2000)\ **Replies:** 3\ **Last updated:** [September 19, 2026, 3:29pm UTC](https://forum.amebaiot.com/t/send-image-to-gemma4-e2b/5071 "2026-09-19T15:29:31Z")
Application : Android Edge-Gallery App (Model = gemma4:e2b , AI Chat with Text/Image API) Example: Ollama\_sendImage.ino Question: the following code’s waitTime is fix at 10000 ms, how to modify it to keep waiting till … --- ## [HUB8735-Ultra can not find BNO055](https://forum.amebaiot.com/t/hub8735-ultra-can-not-find-bno055/5054)
**Author:** [@rkuo2000](https://forum.amebaiot.com/u/rkuo2000)\ **Replies:** 8\ **Last updated:** [September 17, 2026, 1:40pm UTC](https://forum.amebaiot.com/t/hub8735-ultra-can-not-find-bno055/5054 "2026-09-17T13:40:06Z")
Application: OpenDuck Mini V2 Board : HUB8735-Ultra IMU : BNO055 (MPU6050 works) Library : https://github.com/7semi-solutions/7Semi-BNO055-Arduino-Library Code : Basic.ino Message: $8735b\> BNO055 demo ERROR: BNO05… --- ## [\[RTL8735B / AmebaPro2\] rtsp\_transport\_init() writes past the end of transport\[\]](https://forum.amebaiot.com/t/rtl8735b-amebapro2-rtsp-transport-init-writes-past-the-end-of-transport/5028)
**Author:** [@Hsu\_Shawn](https://forum.amebaiot.com/u/Hsu_Shawn)\ **Replies:** 6\ **Last updated:** [September 15, 2026, 5:01am UTC](https://forum.amebaiot.com/t/rtl8735b-amebapro2-rtsp-transport-init-writes-past-the-end-of-transport/5028 "2026-09-15T05:01:10Z")
Date: 2026-08-28 SDK: AmebaPro2 (Arduino 4.1.0 / ameba-rtos-pro2) File: component/network/rtsp/rtsp\_api.c Summary rtsp\_transport\_init() advances its pointer with += i instead of ++, so it visits array indices 0, 1, 3,… --- ## [Custom YOLOv7-tiny (2 classes) ghost boxes at top-left after Docker conversion — model verified correct pre-conversion (similar to #4667)](https://forum.amebaiot.com/t/custom-yolov7-tiny-2-classes-ghost-boxes-at-top-left-after-docker-conversion-model-verified-correct-pre-conversion-similar-to-4667/5029)
**Author:** [@navneet8875580017](https://forum.amebaiot.com/u/navneet8875580017)\ **Replies:** 5\ **Last updated:** [September 9, 2026, 10:25am UTC](https://forum.amebaiot.com/t/custom-yolov7-tiny-2-classes-ghost-boxes-at-top-left-after-docker-conversion-model-verified-correct-pre-conversion-similar-to-4667/5029 "2026-09-09T10:25:43Z")
Hi Realtek team, I’m deploying a custom-trained YOLOv7-tiny (2 classes: animal, person) on AMB82-Mini (RTL8735B), and getting the “ghost boxes clustered at top-left” issue described in thread #4667: I have systematica… --- ## [AMB82-Mini USB Host CDC ECM fails to enumerate Quectel EC200U 4G modem — "ecm init fail"](https://forum.amebaiot.com/t/amb82-mini-usb-host-cdc-ecm-fails-to-enumerate-quectel-ec200u-4g-modem-ecm-init-fail/4802)
**Author:** [@Pradeep\_1](https://forum.amebaiot.com/u/Pradeep_1)\ **Replies:** 8\ **Last updated:** [September 9, 2026, 5:17am UTC](https://forum.amebaiot.com/t/amb82-mini-usb-host-cdc-ecm-fails-to-enumerate-quectel-ec200u-4g-modem-ecm-init-fail/4802 "2026-09-09T05:17:58Z")
Hi Realtek team, I am developing a 4G dashcam using AMB82-Mini ( RTL8735B) with a Quectel EC200U-CN 4G modem ( Quectel EC200U 4G Modem - CAPUF ). The modem is configured for USB CDC ECM mode via AT+QCFG=“usbnet”,1. UART… --- ## [\[RTL8735B / AmebaPro2\] SC231HAI Sensor Support: Missing iq\_sc231h.bin, WDR/HDR Capability, and Hardware Reference Design](https://forum.amebaiot.com/t/rtl8735b-amebapro2-sc231hai-sensor-support-missing-iq-sc231h-bin-wdr-hdr-capability-and-hardware-reference-design/4980)
**Author:** [@Hsu\_Shawn](https://forum.amebaiot.com/u/Hsu_Shawn)\ **Replies:** 15\ **Last updated:** [September 8, 2026, 8:58am UTC](https://forum.amebaiot.com/t/rtl8735b-amebapro2-sc231hai-sensor-support-missing-iq-sc231h-bin-wdr-hdr-capability-and-hardware-reference-design/4980 "2026-09-08T08:58:13Z")
Hi Ameba IoT Team / Realtek FAE, We are evaluating image sensors for an upcoming 1080p security camera project on the RTL8735B (AmebaPro2) platform. We are considering the SmartSens SC231HAI, but during our SDK audit, w… --- ## [GC9A01\_LTSM library support](https://forum.amebaiot.com/t/gc9a01-ltsm-library-support/5038)
**Author:** [@rkuo2000](https://forum.amebaiot.com/u/rkuo2000)\ **Replies:** 6\ **Last updated:** [September 7, 2026, 7:01am UTC](https://forum.amebaiot.com/t/gc9a01-ltsm-library-support/5038 "2026-09-07T07:01:02Z")
Application : AI Robot , AI Watch EVB : AMB82-mini Peripheral : GC9A01 (a round TFTLCD) Library : GC9A01\_LTSM Symptoms : Failed to compile all examples. --- ## [BLE\_UART for driving STS Servo (LeRobot SO101)](https://forum.amebaiot.com/t/ble-uart-for-driving-sts-servo-lerobot-so101/5040)
**Author:** [@rkuo2000](https://forum.amebaiot.com/u/rkuo2000)\ **Replies:** 2\ **Last updated:** [September 7, 2026, 2:26am UTC](https://forum.amebaiot.com/t/ble-uart-for-driving-sts-servo-lerobot-so101/5040 "2026-09-07T02:26:03Z")
Hi, @Pammy: If I want to use BLE UART for Serial2 to STS Servo, which AMB82-MINI example code should I use ? Thanks ! Richard --- ## [AMB82-mini USB host CDC ECM fail to SIM7600G-H](https://forum.amebaiot.com/t/amb82-mini-usb-host-cdc-ecm-fail-to-sim7600g-h/4821)
**Author:** [@termy](https://forum.amebaiot.com/u/termy)\ **Replies:** 4\ **Last updated:** [September 4, 2026, 9:27pm UTC](https://forum.amebaiot.com/t/amb82-mini-usb-host-cdc-ecm-fail-to-sim7600g-h/4821 "2026-09-04T21:27:33Z")
Hi, Pammy, I use rtl8735b usb host to connect SIM7600G-H via CDC ECM. My SIM700G-H test on Linux vid CDC ECM is ok, so I use same method to rtl8735b and I got following message: #UECM \[ECM\] USB host ECM demo started… --- ## [STS servo driver failure](https://forum.amebaiot.com/t/sts-servo-driver-failure/5035)
**Author:** [@rkuo2000](https://forum.amebaiot.com/u/rkuo2000)\ **Replies:** 5\ **Last updated:** [September 4, 2026, 1:41pm UTC](https://forum.amebaiot.com/t/sts-servo-driver-failure/5035 "2026-09-04T13:41:54Z")
Application : OpenDuck Mini V2 Board connection : AMB82-mini UART1\_TX , UART1\_RX, GND to Serial Bus Servo Driver Board Library : STS\_Servos v1.3.0 (or SCServo v1.02 ) Code : Examples \> STS\_Servos \> STSCL \> ListServos.… --- ## [How to upload to cloud in remote locations](https://forum.amebaiot.com/t/how-to-upload-to-cloud-in-remote-locations/4839)
**Author:** [@boltsandbytes](https://forum.amebaiot.com/u/boltsandbytes)\ **Replies:** 5\ **Last updated:** [September 4, 2026, 10:14am UTC](https://forum.amebaiot.com/t/how-to-upload-to-cloud-in-remote-locations/4839 "2026-09-04T10:14:55Z")
Our application needs live viewing of remote cameras , is there any suggested way for the same. We saw in forum LTE dongles are not yet supported . What could be a way to integrate LTE modules with the rtl8735b . We wou… --- ## [How to Configure RFE\_CTRL for an External PA/LNA FEM on RTL8735B?](https://forum.amebaiot.com/t/how-to-configure-rfe-ctrl-for-an-external-pa-lna-fem-on-rtl8735b/5020)
**Author:** [@xklqx](https://forum.amebaiot.com/u/xklqx)\ **Replies:** 1\ **Last updated:** [August 28, 2026, 5:11am UTC](https://forum.amebaiot.com/t/how-to-configure-rfe-ctrl-for-an-external-pa-lna-fem-on-rtl8735b/5020 "2026-08-28T05:11:32Z")
Hello everyone, I plan to use the RFE\_CTRL signals of the RTL8735B to control an external PA/LNA FEM. Could you please advise how to configure this properly? Are there any relevant reference documents or example code av… --- ## [RTL8735BDM-A20-N04 Module](https://forum.amebaiot.com/t/rtl8735bdm-a20-n04-module/5001)
**Author:** [@Harshal](https://forum.amebaiot.com/u/Harshal)\ **Replies:** 2\ **Last updated:** [August 27, 2026, 8:12am UTC](https://forum.amebaiot.com/t/rtl8735bdm-a20-n04-module/5001 "2026-08-27T08:12:08Z")
Can you please let me know if this chip’s SoC is available or not? And also the SoM availability. If possible kindly let me know the bulk pricing for the same at around 10K units --- ## [請問 AMB82-mini arduino 是否有支援 USB host 的範例 ? 可以接 USB 轉 Ethernet 嗎?](https://forum.amebaiot.com/t/amb82-mini-arduino-usb-host-usb-ethernet/2293)
**Author:** [@Joy](https://forum.amebaiot.com/u/Joy)\ **Replies:** 5\ **Last updated:** [August 27, 2026, 6:26am UTC](https://forum.amebaiot.com/t/amb82-mini-arduino-usb-host-usb-ethernet/2293 "2026-08-27T06:26:31Z")
請問 AMB82-mini arduino 是否有支援 USB host 的範例 ? 可以接 USB 轉 Ethernet 嗎? 謝謝 --- ## [AMB82-mini - trying to use BLE to turn WiFi on and off doesn't work](https://forum.amebaiot.com/t/amb82-mini-trying-to-use-ble-to-turn-wifi-on-and-off-doesnt-work/4403)
**Author:** [@Barryn56](https://forum.amebaiot.com/u/Barryn56)\ **Replies:** 10\ **Last updated:** [August 27, 2026, 5:43am UTC](https://forum.amebaiot.com/t/amb82-mini-trying-to-use-ble-to-turn-wifi-on-and-off-doesnt-work/4403 "2026-08-27T05:43:18Z")
To save power in a battery operated device, I want to be able to turn wifi on and off and planned to use BLE to do that. However, it appears that these are linked in AMB82-mini, so you can’t have BLE working alone. If wi… --- ## [RTL8735B (AmebaPro2) WiFi STA drops incoming multicast after WLAN update — worked before](https://forum.amebaiot.com/t/rtl8735b-amebapro2-wifi-sta-drops-incoming-multicast-after-wlan-update-worked-before/5016)
**Author:** [@yugandhar](https://forum.amebaiot.com/u/yugandhar)\ **Replies:** 2\ **Last updated:** [August 26, 2026, 8:51am UTC](https://forum.amebaiot.com/t/rtl8735b-amebapro2-wifi-sta-drops-incoming-multicast-after-wlan-update-worked-before/5016 "2026-08-26T08:51:42Z")
Hi, Our app runs a standard UDP multicast listener (ONVIF WS-Discovery, 239.255.255.250:3702). Over WiFi STA, multicast packets never reach it — no matter what, even with a confirmed successful IP\_ADD\_MEMBERSHIP join. S… --- ## [AMB82 Mini continuous recording issue](https://forum.amebaiot.com/t/amb82-mini-continuous-recording-issue/4992)
**Author:** [@Alfred\_Abella](https://forum.amebaiot.com/u/Alfred_Abella)\ **Replies:** 5\ **Last updated:** [August 19, 2026, 6:22am UTC](https://forum.amebaiot.com/t/amb82-mini-continuous-recording-issue/4992 "2026-08-19T06:22:08Z")
Hi, I tried to capture a continuous video with 30-minute duration each. Basically, I just edited the example code provided for SingleVideoWithAudio in these parts: mp4.setRecordingDuration(1800); // 30 minutes mp4.setR… --- ## [Need latest VOE and Sensor drivers source code](https://forum.amebaiot.com/t/need-latest-voe-and-sensor-drivers-source-code/4748)
**Author:** [@yugandhar](https://forum.amebaiot.com/u/yugandhar)\ **Replies:** 11\ **Last updated:** [August 18, 2026, 2:22am UTC](https://forum.amebaiot.com/t/need-latest-voe-and-sensor-drivers-source-code/4748 "2026-08-18T02:22:25Z")
Hi, I downloaded camera sensor driver source code from Camera Module Bring Up Guide – Realtek IoT/Wi-Fi MCU Solutions and compiled voe.bin and sensor\_f37.bin using pdf guide. I copied both files to folder ameba-rtos-pro… --- ## [Ameba Pro2 Font & Bitmap Tool Link / Documentation](https://forum.amebaiot.com/t/ameba-pro2-font-bitmap-tool-link-documentation/4406)
**Author:** [@ravinder](https://forum.amebaiot.com/u/ravinder)\ **Replies:** 32\ **Last updated:** [August 13, 2026, 7:50am UTC](https://forum.amebaiot.com/t/ameba-pro2-font-bitmap-tool-link-documentation/4406 "2026-08-13T07:50:37Z")
Hi all, I’m working with the Ameba Pro2 SDK and need to generate custom fonts and bitmaps for OSD. I’ve seen references to a Font Tool and a Bitmap Generate Tool in internal notes/images, but I cannot locate these tools… --- ## [\[RTL8735B / AmebaPro2\] Technical Inquiry: Built-in Fast Ethernet PHY (FEPHY) Bring-up, Hardware Schematics, and SDK Configuration](https://forum.amebaiot.com/t/rtl8735b-amebapro2-technical-inquiry-built-in-fast-ethernet-phy-fephy-bring-up-hardware-schematics-and-sdk-configuration/4979)
**Author:** [@Hsu\_Shawn](https://forum.amebaiot.com/u/Hsu_Shawn)\ **Replies:** 3\ **Last updated:** [August 7, 2026, 9:44am UTC](https://forum.amebaiot.com/t/rtl8735b-amebapro2-technical-inquiry-built-in-fast-ethernet-phy-fephy-bring-up-hardware-schematics-and-sdk-configuration/4979 "2026-08-07T09:44:03Z")
We are conducting a detailed feasibility and hardware evaluation for using the built-in Fast Ethernet PHY (FEPHY) on the RTL8735B (AmebaPro2) for an upcoming mass-production project. To help us determine whether the int… --- ## [\[RTL8735B / AmebaPro2\] Technical Inquiry: 256MB DDR3 Support, VOE Heap Limits, Platform Lifecycle & SDK Closed-Source Components](https://forum.amebaiot.com/t/rtl8735b-amebapro2-technical-inquiry-256mb-ddr3-support-voe-heap-limits-platform-lifecycle-sdk-closed-source-components/4981)
**Author:** [@Hsu\_Shawn](https://forum.amebaiot.com/u/Hsu_Shawn)\ **Replies:** 0\ **Last updated:** [August 6, 2026, 9:23am UTC](https://forum.amebaiot.com/t/rtl8735b-amebapro2-technical-inquiry-256mb-ddr3-support-voe-heap-limits-platform-lifecycle-sdk-closed-source-components/4981 "2026-08-06T09:23:25Z")
Hi Ameba IoT Team / Realtek FAE, We are finalizing the hardware specifications for a mass-production 1080p camera product based on the RTL8735B (AmebaPro2) platform. Our target application requires running a 1080p30 mai… --- ## [AMB82-mini audio auto-recording](https://forum.amebaiot.com/t/amb82-mini-audio-auto-recording/4971)
**Author:** [@rkuo2000](https://forum.amebaiot.com/u/rkuo2000)\ **Replies:** 3\ **Last updated:** [August 5, 2026, 7:09am UTC](https://forum.amebaiot.com/t/amb82-mini-audio-auto-recording/4971 "2026-08-05T07:09:05Z")
Hi, I am working on a AI-toy reference design which requires audio auto-recording for listening and recording user’s speech (.mp4 will be sent to MLLM) In Arduino, Examples\>AmebaMultimedia \> Audio \> AudioTriggerRecordin… --- ## [AMB82-Mini SPI-NAND instead of SPI-NOR](https://forum.amebaiot.com/t/amb82-mini-spi-nand-instead-of-spi-nor/4944)
**Author:** [@iot](https://forum.amebaiot.com/u/iot)\ **Replies:** 2\ **Last updated:** [August 4, 2026, 2:33am UTC](https://forum.amebaiot.com/t/amb82-mini-spi-nand-instead-of-spi-nor/4944 "2026-08-04T02:33:40Z")
Hi @Pammy I replaced the SPI-NOR flash chip with a SPI-NAND flash chip Gigadevice GD5F1GQ4Uxxx, which is listed in the FreeRTOS SDK at component/mbed/hal\_ext/snand\_api.h I used the documented command, but it fails an… --- ## [AMB82-mini not working with only single WS2812B LED](https://forum.amebaiot.com/t/amb82-mini-not-working-with-only-single-ws2812b-led/4962)
**Author:** [@rkuo2000](https://forum.amebaiot.com/u/rkuo2000)\ **Replies:** 5\ **Last updated:** [July 31, 2026, 3:16am UTC](https://forum.amebaiot.com/t/amb82-mini-not-working-with-only-single-ws2812b-led/4962 "2026-07-31T03:16:22Z")
Board : AMB82-mini Package: 4.1.1-build20260713 SampleCode : WS2812B\_Basic Symptom : only work with WS2812B x4 LEDs, not working with WS2812B x1 LED — modified sample code to show purely setting only-one WS2812B LED … [Next page](https://forum.amebaiot.com/tag/rtl8735b/30.md?match_all_tags=true&page=1&tags%5B%5D=rtl8735b)