Lo-Fi: Long-Range Wireless Communication Device Based on ESP32

Lo-Fi - ESP32 + LoRa combination is the perfect solution for anyone looking to establish long-range wireless communication in a variety of applications with WiFi capabilities. LoRa offers exceptional range and easy connectivity,...

Frequency: 433 MHz

433 MHz
868 MHz
915 MHz
Description

Lo-Fi - ESP32 + LoRa combination is the perfect solution for anyone looking to establish long-range wireless communication in a variety of applications with WiFi capabilities. LoRa offers exceptional range and easy connectivity, it allows you to seamlessly communicate with devices up to 5 km away. Supported frequency Bands are 433MHz/868MHz/915MHz. 

Devices provide an efficient and trustworthy choice for long-range wireless communication in addition to WiFi access to link internet clouds best suited for Internet of Things applications, enabling connectivity in remote and challenging settings.

Features:

  • Device powered by powerful ESP32 S3 WROOM-1 which is having Xtensa® dual-core 32-bit LX7 microprocessor, up to 240 MHz 
  • Inbuilt Wi-Fi & Bluetooth LE for wireless connectivity
  • Type C interface for Programming/Power 
  • 1.14" TFT display for visual interactions
  • GPIO breakouts for interfacing additional peripherals 
  • Breadboard compatible for easy DIY breadboarding projects
  • 2 separate user programmable buttons along with Reset and Boot buttons
  • 3.7V Lithium Battery connector for a portable use case with an onboard charging option
  • Use new generation LoRa spread spectrum to ensure stable communication
  • For LoRa, faster speed and a longer data transmission range of up to 5 km

Specifications:

  • Microcontroller: ESP32 S3 WROOM-1
  • Wireless Interface: WiFi, BLE, LoRa
  • Protocol: 802.11b/g/n, Bluetooth v5.0
  • Memory Size: 16MB Flash, 384kB ROM, 8MB SRAM
  • Supply Voltage: 5V
  • Operating Voltage : 3.3V
  • Display Size: 1.14”
  • Display Type: TFT
  • Display resolution: 135 x 240 pixels
  • Display driver: ST7789V
  • Display Appearance: RGB
  • Display color: 4k/65k/252k
  • Display Luminance: 400 Cd/m^2
  • Operating Temperature: -20 to 70℃
  • Storage Temperature: -30 to 80℃
  • LoRa Module Specs:
    • Carrier Frequency (License Free ISM): 433MHz/868MHz/915MHz
    • Chip: Based on SX1262 RF chip
    • Range: 5Km
    • Transmitting Power: 22dBm
    • Receiving Sensitivity: -147dbm
    • Data Rate: Up to 62.5kbps
    • Communication Port: UART serial

Pinout:

(1) LoRa Module
(2) SMA Antenna Connector
(3) Boot Button
(4) ESP32-S3-WROOM-1
(5) 1.14” Display
(6) Reset Button
(7) Type C interface
(8) Battery Connector
(9) & (14) Programmable Buttons
(10) & (13) LoRa ESP32 UART pins
(11) & (12) GPIOs Breakout

Dimension:

Applications:

  • Internet of Things (IoT)
  • Smart Home Automation
  • Agricultural Automation
  • Emergency Services
  • Environmental Monitoring
  • Industrial Automation

Resources:

Software GitHub: Getting Started Guide
Hardware GitHub: Hardware Design files like Schematic, Step and 3D

Box Content

  • 1 x Lo-Fi Board
  • 1 x Antenna (433/868/915 MHz)

Note: Please confirm the locally supported LoRa band before placing an order.


 

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