NiceMCU-T5-DEV BK7258 Tuya Development Board 2.8 Inch IPS Capacitive Touch Screen

📌 Product Overview

NiceMCU-T5-DEV is a Tuya IoT all-in-one touch screen development board powered by BK7258 (T5) 2.4G WiFi & BLE dual wireless module, equipped with a 2.8-inch IPS capacitive touch TFT display. It integrates microphone, speaker, onboard camera, M117 temperature & humidity sensor, gyroscope, TF SD card slot, CH340C Type-C download circuit, battery charging management circuit, RGB LED, multi-channel PWM/I/O expansion ports and LORA reserved interface. Working temperature: -40℃ ~ +85℃. The board supports Tuya Smart / Smart Life APP network distribution, built-in AI voice interaction and AI image recognition functions, open-source project codes provided on GitHub. Custom hardware version service is available upon contacting customer service. It is ideal for Tuya smart home panels, AI voice control terminals, visual recognition devices, IoT HMI touch screens and student embedded development learning.

🧠 Core Hardware Configuration

1. Main Wireless Chip: BK7258 (T5 Module)
   • 2.4GHz WiFi + BLE Bluetooth dual communication, Tuya Open platform native support
   • Built-in hardware resource for AI voice conversation & AI photo recognition
2. Display & Touch: 2.8-inch IPS TFT LCD + CTP capacitive touch panel
   • Full viewing angle IPS screen, sensitive multi-point capacitive touch
3. Serial & Power Chip: CH340C USB-to-UART chip
   • Type-C port for power supply, program download and serial debugging
   • Independent battery charging management circuit, support external lithium battery power supply
4. Onboard Functional Modules
   • MIC microphone + speaker audio output for voice collection & playback
   • Onboard camera module for AI image recognition
   • M117 temperature & humidity sensor (T/H)
   • Gyroscope accelerometer sensor
   • TF SD card slot for local data storage
   • Programmable RGB LED indicator light
   • Physical RST reset key, power ON/OFF switch
   • LORA expansion reserved interface
5. Expansion Interfaces
   • Multi-channel PWM controllable I/O pins
   • VIN external power input pin header
   • Dedicated ports for speaker, MIC, camera, sensor

⚙ Key Electrical Parameters

• Power Supply: 5V Type-C input / External lithium battery supported
• Working Temperature: -40℃ ~ +85℃
• Display Spec: 2.8-inch IPS capacitive touch screen
• Wireless Standard: 2.4G WiFi + BLE Bluetooth
• Core Chip: BK7258 T5 module
• Serial Chip: CH340C
• Peripherals: MIC, Speaker, Camera, M117 Temp-Humidity Sensor, Gyroscope, TF Card, RGB LED
• Communication Expansion: PWM I/O, LORA reserved port
• Mounting: Four-corner fixing holes for shell assembly

✨ Core Product Advantages

• ✅ Native Tuya Platform Support: Direct pairing with Tuya Smart / Smart Life APP, 3-time power-off trigger network configuration mode
• ✅ Complete AI Function Suite: Hardware ready for AI voice chat and AI image recognition, open-source code provided
• ✅ Full Integrated Peripherals: Built-in mic, speaker, camera, temp-humidity sensor, gyroscope, SD card slot without extra wiring
• ✅ IPS Wide-Angle Touch Screen: 2.8-inch high-definition IPS display, capacitive touch with smooth operation
• ✅ Dual Power Supply Design: Type-C wired power + lithium battery charging & discharging management circuit
• ✅ Type-C CH340 Download: Universal Type-C cable, cross-system compatible CH340 serial chip
• ✅ Reserved LORA Interface: Expandable long-distance LORA wireless communication function
• ✅ Industrial Wide Temperature Performance: Stable operation range -40℃ ~ +85℃ for indoor and semi-outdoor smart equipment
• ✅ Open Source Resources: Complete open-source projects uploaded on GitHub for secondary development
• ✅ Customizable Hardware: Support customized PCB layout and peripheral matching via customer service consultation

📱 Tuya APP Network Configuration Steps

1. Download Tuya Smart (Smart Life) mobile APP
2. Power on & power off the board 3 times continuously to enter WiFi distribution network mode
3. Tap the digital icon on the upper right corner of the screen
4. Follow APP prompts to add device, note: only 2.4GHz WiFi is supported (5G WiFi incompatible)
5. GitHub open-source address:
   • Tuya Open official:
   • NiceMCU-T5 project:

🛠 Application Scenarios

1. Tuya Smart Home Touch Control Panels: Wall smart switch, environmental monitoring display
2. AI Voice Interaction Terminals: Voice assistant, voice control smart equipment
3. Visual AI Recognition Devices: Small object identification, human-machine visual interaction equipment
4. Embedded IoT HMI: Small industrial control touch screen, sensor data display terminal
5. Student Electronic Development Learning: BK7258 Tuya chip programming training, DIY smart projects
6. Portable Battery-Powered Smart Devices: Handheld touch display with voice & camera function

⚠ Usage Reminder

1. Only 2.4GHz WiFi network is supported for APP pairing, 5GHz WiFi cannot be identified
2. Install CH340 serial driver before program downloading on PC
3. Do not input voltage higher than 5V to Type-C VIN port to avoid hardware damage
4. Hardware version iterations may occur, all specifications subject to physical product
5. Customized hardware solutions can be negotiated with customer service