HEWRQU1 Reset & Teardown (FCC ID 2ANDL-HEWRQU1)

Before you buy the Tuya Global HEWRQU1, check what's inside.

The HEWRQU1 is a compact WiFi module designed by Tuya, suitable for integration into custom embedded products requiring wireless connectivity. It features an ARM CM4F CPU and supports standard WiFi protocols, making it ideal for smart home applications controlled via the Smart Life app.

⚠️ NOTE: Ensure proper voltage regulation when connecting the 4.5-5.5V power supply to the module.

Quick Specs

Manufacturer: Tuya Global
Model: HEWRQU1
Protocol: WiFi
Chipset: Realtek/Beken
Ecosystem: Tuya / Smart Life
App: Smart Life

🔧 Geek Corner (Flashing Info)

Chipset: RTL8710BN
Flashable: ❌ No
Info: Modules based on the Realtek RTL8710BN chipset are generally difficult to flash with custom firmware like Tasmota due to locked bootloaders and proprietary firmware.

User Manual

Scanned pages from the official user manual:

HEWRQU1 Manual

External Photos

Photos of the device exterior:

HEWRQU1 Exterior

Internal Photos

Teardown photos showing the PCB and components:

HEWRQU1 PCB

Verdict

The HEWRQU1 is a WiFi device from the Tuya / Smart Life ecosystem.

📄 Click to view full text manual (SEO)

HEWRQU1 Module Datasheet
Version: 20220214
Online Version
Contents
Contents
1 Product overview 2
1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.3 Change history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Module interfaces 4
2.1 Dimensions and footprint . . . . . . . . . . . . . . . . . . . . . . . . 4
2.2 Pin definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.3 Definitions on test pins . . . . . . . . . . . . . . . . . . . . . . . . . 7
3 Electrical parameters 8
3.1 Absolute electrical parameters . . . . . . . . . . . . . . . . . . . . . 8
3.2 Normal working conditions . . . . . . . . . . . . . . . . . . . . . . . 8
3.3 TX and RX power consumption . . . . . . . . . . . . . . . . . . . . . 9
3.4 Operating current . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4 RF parameters 11
4.1 Basic RF features . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.2 TX performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.3 RX performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5 Antenna 13
5.1 Antenna type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.2 Interference reduction . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.3 Specifications of antenna connector . . . . . . . . . . . . . . . . . . . 14
6 Packaging information and production instructions 15
6.1 Mechanical dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.2 Production instructions . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.3 Recommended oven temperature curve . . . . . . . . . . . . . . . . . 16
6.4 Storage conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7 Appendix: Statement 19
I
Contents
Developed by T uya, HEWRQU1 is a Wi-Fi module that is suitable for serial communi-
cation in which the level is changed from 5V TTL to 3.3V TTL. It consists of a highly
integrated wireless RF chip (RTL 8710BN), an extension chip, and a DC-DC chip.
Besides, it has a Wi-Fi network protocol stack and rich library functions inside. It
further contains a low-power ARM CM4FCPU, a 2-MB flash memory, and a 256-KB
SRAM.1
/ 22
1 Product overview
1 Product overview
HEWRQU1 is an RTOS platform that integrates all function libraries of the Wi-Fi MAC
and TCP/IP . On the basis of serial communication, you can develop embedded Wi-Fi
products as required.
1.1 Features•
Low-power CPU, which can also function as an application processor
• The maximum clock rate: 125 MHz
• Operating voltage: 4.5 to 5.5V
• Peripheral: 1 UART
• Wi-Fi connectivity
– 802.11 b/g/ n_HT20 HT40
– Channels 1 to [email protected] GHz
– Support WPA, WPA2, WEP, and TKIP security modes
– Up to +18 dBm output power in 802.11b mode
– Support STA, AP, and STA+AP working modes
– Support SmartConfig and AP network configuration manners for Android
and iOS devices
– Onboard PCB a...