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Thursday, July 25, 2024

Teardown Wyze 1080p Sensible Doorbell primarily based on Ingenic T31


Many months in the past, we bought some Wyze good doorbells, they’re engineering samples derived from the Ingenic laboratory in Beijing. Evaluating with typical good doorbells, Wyze good doorbell could be very small, its dimension as small as a doorbell button, I reckon that this makes it simple to be appropriate for improve of the present door chime system for American/Canadian homes. It’s possible you’ll surprise what its inner construction seems like, so right here we teardown the system to get to know its electrical elements.

Wyze Smart Doorbell
Wyze Smart Doorbell

The entrance product has two main elements together with the doorbell button and the digital camera. In contrast to comparable merchandise, it doesn’t have PIR movement sensor. Wyze emblem is within the center between them, the emblem will activate when movement detection happens.

Wyze Smart Doorbell

The again of product has the facility enter interfaces, eradicating the rubber, you will discover the microUSB port which additionally can be utilized to energy on the system. Beneath the microUSB, there are two screws which ought to hook up with the AC16~24V.

Wyze Smart Doorbell
Wyze Smart Doorbell

Unscrewing screws and eradicating the again plastic, we will see the inner design. Wyze good doorbell makes use of the Ingenic T31 SoC {hardware} resolution. Ingenic T31 is a video surveillance devoted ARM CPU, it adopts dual-core structure, pace reaches 1.5GHz, has built-in 512M bit DDR2 RAM reminiscence, supporting most 2592×2048 decision (5-Megapixel).

Wyze Smart Doorbell Dual Board Layers

The good doorbell consists of twin board layers, the principle board consists of lens module, Ingenic T31 SoC and Wi-Fi module. We will discover GND, TX, RX marks on the board, it is a collection port for debugging.

Wyze Smart Doorbell
Wyze Smart Doorbell  Realtek 8819FTV

The Wi-Fi module adopts Realtek RTL8189FTV, it’s a single frequency 2.4G band Wi-Fi resolution, complies IEE802.11 b/g/n normal, wi-fi information fee can attain as much as 150Mbps, energy provide 3.3V or 1.8V.

Wyze Smart Doorbell
Wyze Smart Doorbell RF Antenna

Wyze Smart Doorbell Speaker
Speaker

Wyze Smart Doorbell
Wyze Smart Doorbell  White Light LEDs
Wyze Smart Doorbell Texas Instruments CC1310

CC1310 wi-fi MCU from Texas Devices primarily based on ARM Cortex M3 architecutre, designed for RF315MHz, 433MHz, 868MHz, 912MHz 2-way communication. This IC is used for wi-fi communication between good doorbell and the indoor wi-fi chime receiver.

Wyze Smart Doorbell

The ability board has AC to DC converter, it makes use of MB26S Rectifier bridge, max. voltage 60V and 2A present, 220uF and 50V capacitor.

Wyze Smart Doorbell
Wyze Smart Doorbell

The NOR Flash is 25Q127CSIG, capability 128M bit (16MB), this chip shops the firmware. 16MB is a typical NOR flash dimension for the safety cameras.

Wyze Smart Doorbell

The 6208 IC is a LED driver IC to manage the IR-Minimize filter and Infrared LEDs.

Wyze Smart Doorbell

AW8735 is a strong Class-Okay audio amplifier with AB/D output mode choice, it options 2.3W output energy into 8Ohm load at 4.2V.

Wyze Smart Doorbell

The Infrared LED board has connected a microphone. It consists of 4 items SMD LEDs, IR illumination distance reaches as much as 5 meters.

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