T5AI-Board Development Board

Tuya T5AI-Board is a voice and screen multi-interaction development board based on the T5-E1-IPEX, an embedded Wi-Fi and Bluetooth combo module developed by Tuya Smart. Equipped with two microphones and one speaker, the development board supports voice recognition and playback, offering voice interaction capabilities.

Through the I/O connector on the development board, you can use an LCD display sub-board to implement the touch screen and camera capture features. You can also design your own LCD screen with various interfaces, including I2C, SPI, 8080, and RGB interfaces. This way, implement human-machine interaction and meet the users’ development requirements for products used in various scenarios.

The following LCD display sub-boards are supported:

Features

• Module: T5-E1-IPEX
  • ARMv8-M Star (M33F) @480MHz
  • 16KB ITCM and 16KB DTCM
  • 8 MB SiP flash memory
  • 16 MB SiP PSRAM
  • 640 KB shared SRAM
• Audio: 2-channel 16-bit audio ADC, 1-channel 16-bit audio DAC, and a 4-band digital equalizer.
• Screen: Can be matched with different screen displays, supporting screens with I2C, SPI, RGB, and 8080 interfaces.
• Camera: Camera module with DVP and USB interfaces.
• USB: USB 2.0 on USB type-A interface and USB type-C interface for download and debugging.
• TF card: Expand the storage capacity.
• I/O connectors: 56x GPIOs, configurable peripherals, 2x SPI, 2x QSPI, 3x UART, 2x I2C, 1x SDIO, 1x CAN, 12x PWM, and 3x I2S.
• Wi-Fi
  • IEEE 802.11b/g/n/ax compliant
  • 20 MHz and 40 MHz channel bandwidth
  • Support downlink multi-user multiple input, multiple output (DL MU-MIMO)
  • Integrated Bluetooth and Wi-Fi coexistence (packet traffic arbitration, PTA)
  • Support target wake time (TWT)
• Bluetooth
  • Support Bluetooth LE 5.4 standard
  • TX power of +6 dBm
  • RX sensitivity of -97 dBm

Obtaining method

Please go to Product details page on the Taobao website to purchase.

Functional block diagram

Peripherals

Peripheral	Description
T5-E1-IPEX module	An embedded Wi-Fi and Bluetooth combo module used to control the development board. With rich peripheral interfaces and powerful signal processing capabilities, this module is suitable for various scenarios in the AIOT field.
I/O connector	This connector features a 2.54 mm pitch and 56 GPIOs, configurable for driving a touchscreen, camera module, segment display, and more. For more information about the pins, refer to the I/O connector description section.
RST button	The enable (EN) pin of the T5-E1-IPEX module is used to reset the module.
I/O button	Connected to P12 of the T5-E1-IPEX module, it can be configured as a button.
Speaker	The speaker connector has a 1.25 mm pitch and can drive speakers up to 3W/RL=4Ω.
I/O LED	Connected to P01 of the T5-E1-IPEX module, it can be configured as an LED indicator.
TF card	The TF card connector can be used to expand the memory capacity of the T5-E1-IPEX module.
USB type-A	High-speed USB 2.0 interface supports cameras with USB interfaces.
USB type-C	The power port includes an onboard USB-to-serial chip, providing two virtual serial ports for module flashing and debugging.
4-bit switch	The DIP switch is used to open and close the circuit between two serial ports on the USB-to-serial chip.
MIC1 and MIC2	The audio input port, along with the onboard microphone, is connected to the module’s dual-channel audio ADC.
Power LED	Power indicator of the development board.
2.4 GHz antenna	2.4 GHz Wi-Fi onboard antenna

I/O connector description

Recommended I/O configuration of RGB565 LCD, camera module, and TF card

Recommended I/O configuration of SPI LCD

Radio frequency (RF) parameters

Basic RF features

Parameter	Description
Operating frequency	2.412 to 2.484 GHz
Wi-Fi standard	IEEE 802.11b/g/n/ax (channels 1–14)
Data transmission rate	IEEE 802.11b: 1, 2, 5.5, and 11 Mbit/s IEEE 802.11g: 6, 9, 12, 18, 24, 36, 48, and 54 Mbit/s IEEE 802.11n: HT20 MCS0-7 and HT40 MCS0-7 IEEE 802.11ax: HE20 MCS0-7 and HE40 MCS0-7
Antenna type	PCB onboard antenna

Wi-Fi transmitter (TX) performance

Parameter	Min value	Typical value	Max value	Unit
RF average output power, 802.11b CCK mode, 11 Mbit/s	15	17	19	dBm
RF average output power, 802.11g OFDM mode, 54 Mbit/s	13	15	17	dBm
RF average output power, 802.11n OFDM mode, HT20 MCS7	12	14	16	dBm
RF average output power, 802.11n OFDM mode, HT40 MCS7	11	13	15	dBm
RF average output power, 802.11ax OFDMA mode, HE20 MCS7	12	14	16	dBm
RF average output power, 802.11ax OFDMA mode, HE40 MCS7	11	13	15	dBm
Frequency error	-20	-	20	ppm

Wi-Fi receiver (RX) performance

Parameter	Min value	Typical value	Max value	Unit
PER < 8%, RX sensitivity, 802.11b DSSS mode, 11 Mbit/s	-	-88	-	dBm
PER < 10%, RX sensitivity, 802.11g OFDM mode, 54 Mbit/s	-	-74	-	dBm
PER < 10%, RX sensitivity, 802.11n OFDM mode, HT40 MCS7	-	-73	-	dBm
PER < 10%, RX sensitivity, 802.11ax OFDMA mode, HE40 MCS7	-	-73	-	dBm
PER < 10%, RX sensitivity, Bluetooth LE, 1 Mbit/s	-	-97	-	dBm

Bluetooth TX performance

Parameter	Min value	Typical value	Max value	Unit
Operating frequency	2402	-	2480	MHz
Transmission rate over the air	-	-	-	Mbit/s
Transmission power	-20	6	15	dBm
Frequency error	-150	-	150	MHz

Bluetooth RX performance

Parameter	Min value	Typical value	Max value	Unit
RX sensitivity	-	-97	-	dBm
Max RF signal input	-10	-	-	dBm
Intermodulation	-	-	-23	dBm
Co-channel rejection ratio	-	10	-	dB

Reference

LCD sub-board screen

Display type	Color number	Number of dots	Driver IC	TP IC
3.5" TFT	16.7M	320(RGB) × 480 dots	ILI9488	GT1151QM
0.9" IPS	16.7M	128 × 128	ST7735	-

LCD sub-board camera

Sensor type	Array size	Resolution	Sensor IC	I2C Addr
OVX4388	1600 × 1200	800 × 600	GC2145	0x78, 0x79

Explore more

• Schematic diagram of the development board
• Pinout of the development board
• I/O connector location
• Schematic diagram of LCD sub-board
• Schematic diagram of LCD dual-lens sub-board

USB-to-serial chip driver

Download the USB-to-serial chip driver for your operating system.

• For Windows
• For Linux
• For macOS

Appendix: Statement

FCC Caution:Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate this device.This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

List of applicable FCC rules
This module has been granted modular approval as below listed FCC rule parts. -FCC Rule parts 15C (15.247)

List of applicable ISED rules
This module has been certificated modular approval as below listed ISED Radio Standards Specifications.

• RSS 247 Issue 3
  This device generates, uses, and can radiate radio frequency energy and, if not
  installed and used following the instructions, may cause harmful interference to
  radio communications. However, there is no guarantee that interference will not
  occur in a particular installation. If this device does cause harmful interference to
  radio or television reception, which can be determined by turning the device off
  and on, the user is encouraged to try to correct the interference by one or more
  of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the device and receiver.
• Connect the device to an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

Radiation Exposure Statement

This device complies with FCC radiation exposure limits set forth for an uncontrolled rolled environment. This device should be installed and operated with a minimum distance of 20cm between the radiator and your body.

Important Note

This radio module must not be installed to co-locate and operate simultaneously with other radios in the host system except by following FCC multi-transmitter product procedures. Additional testing and device authorization may be required to operate simultaneously with other radios.

The availability of some specific channels and/or operational frequency bands are country dependent and are firmware programmed at the factory to match the intended destination. The firmware setting is not accessible to the end-user.

Declaration of Conformity European Notice

Hereby, Hangzhou Tuya Information Technology Co., Ltd declares that this module product is in compliance with essential requirements and other relevant provisions of Directive 2014/53/EU,2011/65/EU. A copy of the Declaration of Conformity can be found at https://www.tuya.com.

This product must not be disposed of as normal household waste, in accordance with the EU directive for waste electrical and electronic equipment (WEEE-2012/19/EU). Instead, it should be disposed of by returning it to the point of sale or to a municipal recycling collection point.

The device could be used with a separation distance of 20cm from the human body.

Industry Canada Statement
This device complies with Industry Canada’s licence-exempt RSSs. Operation is subject to the following two conditions:
(1) This device may not cause interference.
(2) This device must accept any interference, including interference that may cause undesired operation of the device.
Le présent appareil est conforme aux CNR d’Industrie Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes:
(1) l’appareil ne doit pas produire de brouillage.
(2) l’utilisateur de l’appareil doit accepter tout brouillage radioélectrique sub i, même si le brouillage est susceptible d’en compromettre le fonctionnement.

Radiation Exposure Statement
This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20 cm between the radiator & your body.

Déclaration d’exposition aux radiations:
Cet équipement est conforme aux limites d’exposition aux rayonnements ISED établies pour un environnement non contrôlé. Cet équipement doit être installé et utilisé avec un minimum de 20 cm de distance entre la source de rayonnement et votre corps.
L’appareil peut interrompre automatiquement la transmission en cas d’absence d’informations à transmettre ou de panne opé rationnelle. Notez que ceci n’est pas destiné à interdire la transmission d’informations de contrôle ou de signalisation ou l’utilisation de codes répétitifs lorsque cela est requis par la technologie.