HLW-ESP

Hardware

• Using chip HLW8032
• HLW8032 TX to ESP8266 RXD0
• HLW8032 PF to ESP8266 IO5

ESP8266 Firmware TelnetToSerial

• Please see more information here ESP8266_TelnetToSerial
• Hardware serial to read HLW8032 data, debug output to IO2

Upper Read Methods

Telnet Read in Comand line and dump file

• Not well tested
• Using Method Telnet to read hexidecimal data
• Can also use Netcat or

Putty Read, log and dump file

• Please see the right image

Python Read

• Python data read demo code in HLW8032 Github
• Lost 0x00 bytes by code