GRUDA Native NODE USB Module

Cell Node FM Offline/Online Data Communication Bridge

Mainnet

mainnet.grudachain.com

API Gateway

api.grudachain.com

RPC Node

rpc.grudachain.com

WebSocket

ws.grudachain.com

Physical Specifications

Dimensions: 25mm × 16mm × 4mm

Form Factor: Compact USB-TTL Bridge

PCB Color: Deep Blue with Gold Traces

Interface: USB 2.0 Type-A

Chip: CH340N USB-Serial Bridge

Voltage: 3.3V / 5V Dual Level

Cell Node FM Communication

Offline Data Synchronization

Bridges FM radio data from mobile nodes to mainnet through USB serial communication. Handles offline transaction queues and batch synchronization.

Real-time Ping Protocol

Implements ping-pong communication between cell nodes and mainnet validators. Maintains connection status and node health monitoring.

Multi-Protocol Support

Supports both USB and TTL serial communication modes. Compatible with Arduino, Raspberry Pi, and custom hardware solutions.

Pin Configuration

3V3: 3.3V Logic Level

TXD: Transmit Data

RXD: Receive Data

GND: Ground Reference

5V: Power Input

RTS: Request to Send

.grudachain Network Integration

Mainnet Connection

mainnet.grudachain.com:443 (SSL)

Primary blockchain network access

API Gateway

api.grudachain.com/v1/node

RESTful API for node registration and data submission

WebSocket Streaming

ws.grudachain.com/node-data

Real-time data streaming and live updates

Connection Setup Guide

Hardware Connection

• Connect USB module to computer
• Wire TXD/RXD to cell node FM transceiver
• Ensure proper ground connection
• Power via USB or external 5V supply

Software Configuration

• Install CH340N drivers
• Configure serial port (115200 baud)
• Set up .grudachain endpoints
• Initialize node authentication

Live Operation

• Monitor connection status LEDs
• Verify data transmission rates
• Check mainnet synchronization
• Validate FM ping responses

Live Status Dashboard

ONLINE

Node Status

Active Connections

Data Rate (bps)

Sync Status