TTGO T-Beam ESP32: Advanced Wireless Communication Module

Optimize your IoT projects with the TTGO T-Beam ESP32, a cutting-edge device designed for seamless connectivity and robust performance. This module is ideal for developers and hobbyists looking to enhance their wireless applications with GPS capabilities.

Key Features

• Latest Version: New REV1 of the ESP32
• Connectivity Options:

– Wi-Fi
– Bluetooth
– LORA technology

• Memory Specifications:

– 4MB Flash Memory
– 4MB PSRAM

• Antenna Type: Integrated 3D antenna for improved signal strength

Technical Specifications

• Operating Voltage: Ranges from 1.8V to 3.7V
• Current Consumption:

– Acceptable current: Between 10mA and 14mA
– Emission current varies by power output:
– +20dBm at approximately –120mA
– +17dBm at around –90mA
– +13dBm at about –29mA

• Frequency Range: Operates on a frequency of up to 868MHz using SX1276 chip.

Performance Metrics

• Transmitting Power Output: Up to +20dBm.

Receiving Sensitivity:

| Mode | Sensitivity |
|——|————-|
| LoRa (62.5kHz, SF=12) | –139dBm |
| LoRa (125kHz, SF=12) | –136dBm |
| LoRa (125kHz, SF=6) | –118dBm |
| FSK (5kHz) | –123dBm |

• Data Rate Capabilities:

– FSK mode supports data rates from 1.2Kbps to 300Kbps.
– LoRa mode ranges from 0.018Kbps to 37.5Kbps.

Additional Features

• Modulation Modes Supported: FSK, GFSK, MSK, GMSK, LoRa TM, OOK.

Interface & Power Management:

• Interface Form Factor: SPI interface for easy integration.

Sleep Current:

– SLEEP mode consumes only 0.2uA; IDLE mode uses about 1.5uA.

Operating Temperature Range:

Suitable for extreme conditions between –40°C and +85°C.

Built-in Functions:

1. Digital RSSI function for signal strength monitoring.
2. Automatic frequency correction ensures optimal performance.
3. Automatic gain control adjusts sensitivity based on conditions.
4. RF wake-up functionality allows quick activation from sleep modes.

GPS Module Integration

The TTGO T-Beam includes a NEO-M8N GPS module that operates on a universal power supply of 3V–5V with the following features:

• Equipped with a ceramic antenna providing exceptional signal reception.

Configuration & Backup:

1. EEPROM storage retains configuration parameters even during power loss.
2. Data backup battery ensures reliability in tracking applications.

Power Management System

The device incorporates TP5400 battery management technology featuring:

1. A real-time LED indicator displaying battery status through four LEDs.
2. User-friendly power button functionality—single click activates; double click deactivates.

Packaging Details

Included in the package are essential components such as:

1.TTGO T-Beam ESP32 unit,
2.A dedicated 433MHz antenna,
3.A set of pins,
4.Screw washers (x3).

Note that an OLED display is not included in this package.

---