1. TTL-WiFi module is developed based on ESP-M1 WiFi module, which leads to serial port TTL, EN, STATE and other pins.
2. The latest version of Serial Port Transfer Firmware built in the product can complete the real-time data transmission from TTL port to WiFi/cloud, with low power control, status indication and other functions.
3. This module can directly replace the original wired serial port to realize data acquisition and control of embedded devices.
4. It is fully compatible with the existing electrical and physical interfaces of the bluetooth transmission module.
5. Optimized the web page configuration interface, supports AP, STA, AP+STA configuration mode, supports serial port baud rate from 300bps to 3686400bps, supports TCP Server/Client, UDP Server/Client, UDP LAN broadcast and other functions. At the same time compatible with AT command configuration, it is the most cost-effective WiFi transparent transmission product on the market.
6. The serial port receiving and transmitting performance is greatly optimized. The reconnection mechanism in WiFi STA mode and the reconnection mechanism in TCP Client mode are specially designed to ensure stable connection and transmission of the data link.
Feature:
Built-in industry-class firmware V3.0, reliable and stable, WEB interface configuration
Based on ESP-M1 high performance WiFi module, the overall size is 34 mm *17 mm *4 mm
Supply voltage: 4.5V ~ 6.0V, TTL voltage: 3.3V (compatible with 5.0V)
Leading pins: STATE, TXD, RXD, EN
Average current: 80 mA; 170 mA for WiFi data transmission; 20 mA for deep sleep mode
Support serial AT instruction
Support reprogrammable, OTA firmware upgrade
Real-time seamless transmission of serial port and WiFi data
Built-in HTTP Web Server to support the configuration of web pages parameters
WiFi supports three modes: AP, STA and AP + STA
Support WiFi STA mode automatic reconnection, TCP Client mode automatic reconnection
Serial port supports setting baud rate, data bit, parity check, stop bit and subcontracting time
Support baud rate (bps): 300/600/1200/2400/4800/9600/19200/38400/57600/74800/115200/230400/460800/921600/1843200/3686400
Support AP enablement, custom SSID / password, custom IP and segment, etc
Scanning peripheral hot spots automatically, supporting STA enablement, DHCP, custom IP and network segments, etc
Support TCP Server, TCP Client, UDP Server, UDP Client and UDP LAN broadcasting
The remote server address supports DNS domain name automatic resolution
Supports viewing status through AT instructions
IO4 was introduced to characterize WiFi state
Work temperature range: - 40 °C ~ 125 °C
Application scenarios: smart home, wireless data collection and transmission, smart car control, wireless serial printer, outdoor LED lights, industrial control, etc.
