User Manual

ESP32SR88 User Manual v1.00
Table of Contents
Overview....................................................................................................................................................3
Control Protocols.......................................................................................................................................3
WiFi............................................................................................................................................................3
Configuration.............................................................................................................................................3
USB Configuration Commands.................................................................................................................4
ST Status. Return the system status.......................................................................................................4
RB ReBoot............................................................................................................................................5
IP Sets the modules IP address..............................................................................................................5
SB Sets the SuBnet mask......................................................................................................................5
GW Sets the GateWay address..............................................................................................................5
PD Sets the Primary DNS.....................................................................................................................6
SD Sets the Secondary DNS.................................................................................................................6
SS This sets the SSID............................................................................................................................6
PW Sets your networks WIFI password................................................................................................6
PA Sets the TCP/IP port number for the ASCII commands..................................................................6
MS Sets the MQTT broker address.......................................................................................................7
MD Sets the MQTT ID for this module................................................................................................7
MP Sets the MQTT broker’s port..........................................................................................................7
R1-R8 Sets the MQTT topic this relay is subscribed to........................................................................7
N1-N8 Sets the MQTT topic this Input will publish to.........................................................................8
TCP/IP Commands.....................................................................................................................................9
SR Set Relay..........................................................................................................................................9
GR Get Relay.......................................................................................................................................10
GI Get Input.........................................................................................................................................10
AL Get All 8 inputs.............................................................................................................................10
HTML Commands...................................................................................................................................11
Webpage...................................................................................................................................................12
Schematics...............................................................................................................................................13
CPU.....................................................................................................................................................13
Power Supply......................................................................................................................................14
Relay Outputs......................................................................................................................................15
Digital Inputs.......................................................................................................................................16
PCB dimensions.......................................................................................................................................17
Notes........................................................................................................................................................18
Copyright © 2020, Devantech Ltd.
All rights reserved.
www.robot-electronics.co.uk
2