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TTGO T8 V1.7 ESP32 8MB PSRAM TF CARD 3D ANTENNA WiFi &, Bluetooth ESP32-WROVER-Unsoldered
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SKU: TES-EV00006446
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TTGO T8 V1.7 ESP32 8MB PSRAM TF Card 3D Antenna WiFi Bluetooth ESP32-WROVER Unsoldered
The TTGO T8 V1.7 is a powerful ESP32-WROVER development board featuring 8MB PSRAM, integrated TF card slot, and 3D antenna for enhanced wireless connectivity. IoT developers, embedded systems engineers, and electronics hobbyists use this board for building WiFi and Bluetooth enabled applications with extended memory capabilities. This unsoldered variant solves the challenge of requiring custom header integration while providing maximum flexibility for specialized mounting and integration requirements in production environments.
Product Overview
The TTGO T8 V1.7 represents a refined iteration of the popular TTGO T8 development platform, built around the dual-core ESP32-WROVER module. The board integrates 8MB of PSRAM (Pseudo Static RAM) alongside the standard 4MB flash memory, enabling developers to handle memory-intensive applications including image processing, audio streaming, and complex data buffering. The 3D antenna design provides superior WiFi and Bluetooth signal reception compared to PCB trace antennas, ensuring reliable long-range connectivity. The unsoldered configuration allows engineers to customize header placement, pin orientation, and mounting solutions for specific project requirements.
This development board operates on the ESP32-WROVER chip, featuring dual-core 32-bit processors running at 240MHz with integrated WiFi 802.11 b/g/n and Bluetooth 4.2 LE capabilities. The TF card slot supports microSD cards up to 4GB, providing external storage for logging, firmware updates, and multimedia applications. The board includes a USB-to-UART bridge for programming and serial communication, making it compatible with Arduino IDE, PlatformIO, and MicroPython environments. The unsoldered headers provide flexibility for integration into custom PCBs, robotics platforms, and industrial IoT applications where standard header spacing may conflict with design requirements.
Key Specifications
| Specification | Details |
| Product Type | ESP32-WROVER Development Board with PSRAM |
| Brand | TTGO |
| Model | T8 V1.7 |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
| Processor | Dual-core Xtensa 32-bit LX6 at 240MHz |
| RAM | 8MB PSRAM plus 520KB SRAM |
| Flash Memory | 4MB SPI Flash |
| WiFi | 802.11 b/g/n with 3D Antenna |
| Bluetooth | Bluetooth 4.2 LE |
| Storage Interface | MicroSD/TF Card Slot (up to 4GB) |
| GPIO Pins | 34 I/O pins (unsoldered headers) |
| ADC Channels | 12-bit SAR ADC with 18 channels |
| SPI/I2C/UART | 3x UART, 2x SPI, 2x I2C |
| Operating Voltage | 3.3V to 5V USB powered |
| Temperature Range | -40 to 85 degrees Celsius |
Key Features
- 8MB PSRAM expansion enabling complex algorithms for image recognition, audio processing, and real-time data analytics without external memory modules
- 3D antenna design providing 360-degree radiation pattern for improved WiFi and Bluetooth signal strength in challenging RF environments
- Integrated TF card slot supporting microSD cards for local data logging, firmware OTA updates, and multimedia storage without additional shields
- Unsoldered header configuration allowing custom pin routing, right-angle header mounting, and direct PCB integration for production designs
- Dual-core processor with 240MHz clock enabling parallel processing of WiFi/Bluetooth communication and application logic simultaneously
- USB Type-C connector for programming, power delivery, and serial debugging with integrated CH340 UART bridge
Applications and Use Cases
- Smart home IoT gateways requiring local data storage via TF card and simultaneous WiFi/Bluetooth connectivity for multi-protocol device communication
- Industrial monitoring systems needing PSRAM for buffering sensor data streams and processing complex analytics before cloud transmission
- Robotics and autonomous systems utilizing dual-core processing for real-time motor control while maintaining WiFi telemetry and Bluetooth remote control
- Audio and video streaming applications leveraging 8MB PSRAM as frame buffers for camera modules and audio codec interfaces
- Wearable device development using low-power Bluetooth LE with extended PSRAM for fitness tracking algorithms and health data analysis
- Custom embedded solutions requiring flexible header placement and PCB integration where standard development boards create mechanical conflicts
How to Use
Begin by soldering your preferred header configuration to the unsoldered pads on the TTGO T8 V1.7, selecting between straight headers for breadboard compatibility or right-angle headers for compact PCB integration. Connect the board to your computer via USB Type-C cable and install the CH340 drivers if needed. Configure the Arduino IDE by adding the ESP32 board manager URL and selecting the TTGO T8 board variant from Tools menu. Install required libraries for PSRAM usage (ESP32 core includes PSRAM support via psramInit() function) and TF card access using the SD.h library for SPI-based card communication.
For PSRAM applications, enable PSRAM in the Arduino IDE under Tools > PSRAM and allocate memory using malloc() or new operators for large buffers. The TF card operates on GPIO 4 (CS), GPIO 18 (CLK), GPIO 23 (MOSI), and GPIO 19 (MISO) by default. Verify connectivity by uploading example sketches that test WiFi scanning, Bluetooth advertising, and SD card file operations. For production integration, design your custom PCB with matching pad layouts for the unsoldered headers and ensure proper decoupling capacitors near the ESP32-WROVER module. The 3D antenna should remain unobstructed by metal enclosures to maintain optimal signal strength for both WiFi and Bluetooth protocols.
Frequently Asked Questions
What is the difference between PSRAM and regular SRAM on the ESP32?
PSRAM (Pseudo Static RAM) is slower than built-in SRAM but provides 8MB of additional memory compared to the 520KB of internal SRAM. PSRAM is ideal for storing large buffers, image data, and audio frames, while SRAM should be reserved for frequently accessed variables and interrupt handlers. The ESP32 automatically manages PSRAM through the memory controller, making it transparent to most applications. PSRAM operates at 40MHz versus SRAM at 240MHz, so performance-critical code should use SRAM when possible.
Can I use the TF card slot with the PSRAM simultaneously?
Yes, the TF card slot and PSRAM operate independently. The TF card uses SPI communication on dedicated GPIO pins while PSRAM is accessed through the internal memory bus. You can simultaneously read/write to the microSD card while utilizing PSRAM for buffering or processing. This combination is particularly useful for applications like data logging where PSRAM buffers incoming sensor data before batch writing to the SD card, improving write efficiency and reducing power consumption.
Why is the 3D antenna better than a PCB trace antenna?
The 3D antenna provides omnidirectional radiation pattern with consistent gain across all angles, whereas PCB trace antennas exhibit directional patterns with dead zones. The 3D antenna design increases effective range by 2-3 times compared to trace antennas, making it essential for applications requiring reliable long-distance WiFi or Bluetooth connectivity. The external antenna also allows for antenna replacement or upgrade without redesigning the entire board, providing future-proofing for evolving wireless standards.
What are the advantages of unsoldered headers?
Unsoldered headers provide complete flexibility in mounting configuration, allowing you to choose straight headers for breadboard prototyping, right-angle headers for compact designs, or direct PCB-to-PCB connections through castellated pads. This eliminates the need for header removal or rework if your project requires non-standard pin orientation. For production designs, unsoldered variants reduce costs by eliminating unnecessary headers and allow seamless integration into custom PCBs without mechanical conflicts or additional connectors.
Is the TTGO T8 V1.7 compatible with Arduino IDE?
Yes, the TTGO T8 V1.7 is fully compatible with Arduino IDE. Install the ESP32 board package by adding https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json to the Additional Boards Manager URLs in preferences. After installation, select the appropriate TTGO T8 board variant from the Tools menu. All standard Arduino functions are supported, including Serial communication, GPIO control, PWM, ADC, SPI, and I2C. The board also supports PlatformIO and MicroPython for alternative development environments.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
Why Buy from The Engineer Store
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
Buy TTGO T8 V1.7 ESP32 8MB PSRAM TF CARD 3D ANTENNA WiFi &, Bluetooth ESP32-WROVER-Unsoldered Online in India
Purchase the TTGO T8 V1.7 ESP32 8MB PSRAM TF CARD 3D ANTENNA WiFi &, Bluetooth ESP32-WROVER-Unsoldered online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.
TTGO T8 V1.7 ESP32 8MB PSRAM TF Card 3D Antenna WiFi Bluetooth ESP32-WROVER Unsoldered
The TTGO T8 V1.7 is a powerful ESP32-WROVER development board featuring 8MB PSRAM, integrated TF card slot, and 3D antenna for enhanced wireless connectivity. IoT developers, embedded systems engineers, and electronics hobbyists use this board for building WiFi and Bluetooth enabled applications with extended memory capabilities. This unsoldered variant solves the challenge of requiring custom header integration while providing maximum flexibility for specialized mounting and integration requirements in production environments.
Product Overview
The TTGO T8 V1.7 represents a refined iteration of the popular TTGO T8 development platform, built around the dual-core ESP32-WROVER module. The board integrates 8MB of PSRAM (Pseudo Static RAM) alongside the standard 4MB flash memory, enabling developers to handle memory-intensive applications including image processing, audio streaming, and complex data buffering. The 3D antenna design provides superior WiFi and Bluetooth signal reception compared to PCB trace antennas, ensuring reliable long-range connectivity. The unsoldered configuration allows engineers to customize header placement, pin orientation, and mounting solutions for specific project requirements.
This development board operates on the ESP32-WROVER chip, featuring dual-core 32-bit processors running at 240MHz with integrated WiFi 802.11 b/g/n and Bluetooth 4.2 LE capabilities. The TF card slot supports microSD cards up to 4GB, providing external storage for logging, firmware updates, and multimedia applications. The board includes a USB-to-UART bridge for programming and serial communication, making it compatible with Arduino IDE, PlatformIO, and MicroPython environments. The unsoldered headers provide flexibility for integration into custom PCBs, robotics platforms, and industrial IoT applications where standard header spacing may conflict with design requirements.
Key Specifications
| Specification | Details |
| Product Type | ESP32-WROVER Development Board with PSRAM |
| Brand | TTGO |
| Model | T8 V1.7 |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
| Processor | Dual-core Xtensa 32-bit LX6 at 240MHz |
| RAM | 8MB PSRAM plus 520KB SRAM |
| Flash Memory | 4MB SPI Flash |
| WiFi | 802.11 b/g/n with 3D Antenna |
| Bluetooth | Bluetooth 4.2 LE |
| Storage Interface | MicroSD/TF Card Slot (up to 4GB) |
| GPIO Pins | 34 I/O pins (unsoldered headers) |
| ADC Channels | 12-bit SAR ADC with 18 channels |
| SPI/I2C/UART | 3x UART, 2x SPI, 2x I2C |
| Operating Voltage | 3.3V to 5V USB powered |
| Temperature Range | -40 to 85 degrees Celsius |
Key Features
- 8MB PSRAM expansion enabling complex algorithms for image recognition, audio processing, and real-time data analytics without external memory modules
- 3D antenna design providing 360-degree radiation pattern for improved WiFi and Bluetooth signal strength in challenging RF environments
- Integrated TF card slot supporting microSD cards for local data logging, firmware OTA updates, and multimedia storage without additional shields
- Unsoldered header configuration allowing custom pin routing, right-angle header mounting, and direct PCB integration for production designs
- Dual-core processor with 240MHz clock enabling parallel processing of WiFi/Bluetooth communication and application logic simultaneously
- USB Type-C connector for programming, power delivery, and serial debugging with integrated CH340 UART bridge
Applications and Use Cases
- Smart home IoT gateways requiring local data storage via TF card and simultaneous WiFi/Bluetooth connectivity for multi-protocol device communication
- Industrial monitoring systems needing PSRAM for buffering sensor data streams and processing complex analytics before cloud transmission
- Robotics and autonomous systems utilizing dual-core processing for real-time motor control while maintaining WiFi telemetry and Bluetooth remote control
- Audio and video streaming applications leveraging 8MB PSRAM as frame buffers for camera modules and audio codec interfaces
- Wearable device development using low-power Bluetooth LE with extended PSRAM for fitness tracking algorithms and health data analysis
- Custom embedded solutions requiring flexible header placement and PCB integration where standard development boards create mechanical conflicts
How to Use
Begin by soldering your preferred header configuration to the unsoldered pads on the TTGO T8 V1.7, selecting between straight headers for breadboard compatibility or right-angle headers for compact PCB integration. Connect the board to your computer via USB Type-C cable and install the CH340 drivers if needed. Configure the Arduino IDE by adding the ESP32 board manager URL and selecting the TTGO T8 board variant from Tools menu. Install required libraries for PSRAM usage (ESP32 core includes PSRAM support via psramInit() function) and TF card access using the SD.h library for SPI-based card communication.
For PSRAM applications, enable PSRAM in the Arduino IDE under Tools > PSRAM and allocate memory using malloc() or new operators for large buffers. The TF card operates on GPIO 4 (CS), GPIO 18 (CLK), GPIO 23 (MOSI), and GPIO 19 (MISO) by default. Verify connectivity by uploading example sketches that test WiFi scanning, Bluetooth advertising, and SD card file operations. For production integration, design your custom PCB with matching pad layouts for the unsoldered headers and ensure proper decoupling capacitors near the ESP32-WROVER module. The 3D antenna should remain unobstructed by metal enclosures to maintain optimal signal strength for both WiFi and Bluetooth protocols.
Frequently Asked Questions
What is the difference between PSRAM and regular SRAM on the ESP32?
PSRAM (Pseudo Static RAM) is slower than built-in SRAM but provides 8MB of additional memory compared to the 520KB of internal SRAM. PSRAM is ideal for storing large buffers, image data, and audio frames, while SRAM should be reserved for frequently accessed variables and interrupt handlers. The ESP32 automatically manages PSRAM through the memory controller, making it transparent to most applications. PSRAM operates at 40MHz versus SRAM at 240MHz, so performance-critical code should use SRAM when possible.
Can I use the TF card slot with the PSRAM simultaneously?
Yes, the TF card slot and PSRAM operate independently. The TF card uses SPI communication on dedicated GPIO pins while PSRAM is accessed through the internal memory bus. You can simultaneously read/write to the microSD card while utilizing PSRAM for buffering or processing. This combination is particularly useful for applications like data logging where PSRAM buffers incoming sensor data before batch writing to the SD card, improving write efficiency and reducing power consumption.
Why is the 3D antenna better than a PCB trace antenna?
The 3D antenna provides omnidirectional radiation pattern with consistent gain across all angles, whereas PCB trace antennas exhibit directional patterns with dead zones. The 3D antenna design increases effective range by 2-3 times compared to trace antennas, making it essential for applications requiring reliable long-distance WiFi or Bluetooth connectivity. The external antenna also allows for antenna replacement or upgrade without redesigning the entire board, providing future-proofing for evolving wireless standards.
What are the advantages of unsoldered headers?
Unsoldered headers provide complete flexibility in mounting configuration, allowing you to choose straight headers for breadboard prototyping, right-angle headers for compact designs, or direct PCB-to-PCB connections through castellated pads. This eliminates the need for header removal or rework if your project requires non-standard pin orientation. For production designs, unsoldered variants reduce costs by eliminating unnecessary headers and allow seamless integration into custom PCBs without mechanical conflicts or additional connectors.
Is the TTGO T8 V1.7 compatible with Arduino IDE?
Yes, the TTGO T8 V1.7 is fully compatible with Arduino IDE. Install the ESP32 board package by adding https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json to the Additional Boards Manager URLs in preferences. After installation, select the appropriate TTGO T8 board variant from the Tools menu. All standard Arduino functions are supported, including Serial communication, GPIO control, PWM, ADC, SPI, and I2C. The board also supports PlatformIO and MicroPython for alternative development environments.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
Why Buy from The Engineer Store
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
Buy TTGO T8 V1.7 ESP32 8MB PSRAM TF CARD 3D ANTENNA WiFi &, Bluetooth ESP32-WROVER-Unsoldered Online in India
Purchase the TTGO T8 V1.7 ESP32 8MB PSRAM TF CARD 3D ANTENNA WiFi &, Bluetooth ESP32-WROVER-Unsoldered online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.