VWRK4 Reset & Teardown (FCC ID 2ANDL-VWRK4)

Before you buy the Tuya Global VWRK4, check what's inside.

This is the Tuya VWRK4 AVS Smart Audio Module, a powerful development board featuring the RockChip RK3308 CPU with integrated WiFi and Bluetooth. It is designed for building voice-controlled IoT devices, smart speakers, and gateways with support for popular audio platforms like Alexa.

⚠️ NOTE: Ensure proper power connection via the MicroUSB port and handle with ESD precautions as it is a development module.

Quick Specs

Manufacturer: Tuya Global
Model: VWRK4
Protocol: WiFi
Chipset: Realtek/Beken
Ecosystem: Tuya / Smart Life
App: Smart Life

🔧 Geek Corner (Flashing Info)

Chipset: RockChip RK3308
Flashable: ✅ Yes
Info: While the RK3308 is a capable ARM chip, flashability depends on the specific firmware and bootloader implemented by Tuya. Development modules often allow flashing, but it may require specific tools/methods.

User Manual

Scanned pages from the official user manual:

VWRK4 Manual

External Photos

Photos of the device exterior:

VWRK4 Exterior

Internal Photos

Teardown photos showing the PCB and components:

VWRK4 PCB

Verdict

The VWRK4 is a WiFi device from the Tuya / Smart Life ecosystem.

📄 Click to view full text manual (SEO)

1 

TUYA AVS Smart Audio Module-VWRK4 

User Manual 

TUYA AVS Smart Audio Module-VWRK4 
Version：V1.0.1 
User Manual 
2 

Version Update content Name 
1.0 The user manual of VWRK4 Jia Zeng/ Renfang Li 
1.1 Increase the introduction of amazon and app operation Jia Zeng 
1.2 Increase the introduction of voice kit VWRK4 Jia Zeng /Yongguang Zhu 

3 

1、Product Abstract 
Tuya AVS voice module VWRK4 is based on the powerful RockChip 3308 IC which integrated 
with 4-Core 64 bit A35 ARM Core. The Module is integrated with voice wake & noise 
cancellation algorithm and which can be applied in the IoT device/gateway/smart speaker. 
The CPU RK3308’s frequency is 1.3GHz, which can provide powerful computing ability. Also, 
the module is integrated with the RF chip RTL8723DS which contains WiFi Sing-band 
1X1+BluetoothBR/EDR/BLE4.0 This can make it easy to connect to the Tuya IoT platform. 
1.1 Features 
 High powerful ARM 4-Core 64 bit A35 RochChip 3308 CPU 
 Frequency ：1.3GHz 
 Work voltage: 4.2-5.5V（5V default） 
 Peripheral：2*Uart，7*MIC，RGB666，1*SPI，2*I2C，2*USB, GPIOs，3*ADC， 
 Antenna：IPEX 
 Sampling Rate:16K/16bit 
 Audio Feature 
 1) 4 ways mic pickup, stereo playback. 
 2) 6 ways mic pickup, single channel playback. 
 3) Audio output: stereo HPOUT and stereo LINEOUT 
 4) Audio AUX IN: support 
 Entertainment： 
Approved：amazon music, audible, iHeartRadio, TuneIn 
 Skill：All the skills contains in Alexa. For example: 
Newest arrivals, Business & finance, Connected Car,Education & Reference, Food & Drink, 
Game & Trivia, Health & Fitness, kids, lifestyle, local, Movies & TV, Music & Audio, News, 
Novelty & Humor, Productivity, Shopping, Smart Home, Sports, Travel & Transportation, 
Utilities,Weather. 
4 

1.2 Applications 
 Smart household and home appliances 
 Smart Device 
 Net Gateway Control 
 Voice Control Panel 

5 

2、Module Interfaces 
2.1 Dimensions and Footprint 
The Module has four rows of pins with 1mm Pin Width and 1.5mm pin spacing，the total 
number of pins is 82，and its dimensions is 35mm*35mm*3.2mm（W*L*H），Figure 2-1 shows 
the Dimension views. 
Note: 
The default dimensional tolerance is ±0.35mm. 

Figure 2-1 Dimensions of VWRK4 
The total pins is 82 and the opposite side has the same number pins, one side is 20 and 
the other is 21. Figure 2-2 shows the footprint views. 

Figure 2-2 Footprint of VWRK4 

6 

2.2 Circuit Diagram 
Table 2-1 Hardware Feature 
MCU RK3308 

Flash 128 MByte 
DDR 128 MByte 
Mic 2/4 mic array 
BT BluetoothBR/EDR/BLE4.0 
WIFI IEEE 802.11b/g/n 
(channel 1-14) 
Power Interface MicroUSB 5V1A 
Antenna IPEX Antenna 
Audio MIC/HPOUT/LINEOUT 
LCD LCD Interface 
Interface Reserved UART/IIC/PWM/GPIO/USB interface 
 Circuit Diagram of VWRK4 voice kit 

Figure 2-3 Circuit Diagram of VWRK4 

7 

2.3 Pin Definition 
Table 2-2 Pin Definition of VWRK4 
Pin No. Pin Name Pad Type Function 
1 GND P Power Supply reference ground pin 
2 ANT O The RF ANT Interface 
3 GND P Power Supply reference ground pin 
4 ADC_KEY_IN2 AI Analog of AD...