Project Files of IoT Home Automation with ESP32 and IR Remote - Proteus Simulation

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  IoT Home Automation with ESP32 and IR Remote - Proteus Simulation Project V1.0
  The Engineering Projects - www.TheEngineeringProjects.com
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IMPORTANT LINKS
  The project tutorial (circuit, code, simulation results):
    https://www.theengineeringprojects.com/2026/11/iot-home-automation-esp32-ir-remote-proteus-simulation.html
  The libraries this project is built from (each post has its own full download and tutorial):
    ESP32 DevKit V1 board (and the TEP Boards for Proteus Arduino add-on):
      https://www.theengineeringprojects.com/2026/10/esp32-devkit-v1-library-for-proteus-v2-0.html
    IR receiver and remote:
      https://www.theengineeringprojects.com/2026/10/ir-receiver-remote-library-for-proteus-v1-0.html
    Relay modules (the 4-channel module):
      https://www.theengineeringprojects.com/2026/10/relay-module-library-for-proteus-v1-0.html
    Filament bulbs (the lamps):
      https://www.theengineeringprojects.com/2026/11/filament-bulb-library-for-proteus.html
    4-pin PC fan (the ceiling fan):
      https://www.theengineeringprojects.com/2026/11/4-pin-pc-fan-library-for-proteus-v1-0.html
    Laptop WiFi Monitor:
      https://www.theengineeringprojects.com/2026/10/laptop-wifi-monitor-library-for-proteus.html
    Mobile WiFi Monitor:
      https://www.theengineeringprojects.com/2026/10/mobile-wifi-monitor-library-for-proteus.html
  Support our free work: https://www.theengineeringprojects.com/donate

FILE STRUCTURE
ESP32-IR-Home-Automation-TEP-v1.0/
|-- Proteus Library Files/
|   |-- TEPBULB.LIB                                    17.7 KB   a part of the project -> LIBRARY folder
|   |-- TEPESP32V1.LIB                                 36.6 KB   a part of the project -> LIBRARY folder
|   |-- TEPIRREMOTE.LIB                               119.5 KB   a part of the project -> LIBRARY folder
|   |-- TEPLAPTOP.LIB                                  39.5 KB   a part of the project -> LIBRARY folder
|   |-- TEPMOBILE.LIB                                  13.1 KB   a part of the project -> LIBRARY folder
|   |-- TEPPCFAN.LIB                                   24.8 KB   a part of the project -> LIBRARY folder
|   |-- TEPRELAY.LIB                                  490.4 KB   a part of the project -> LIBRARY folder
|-- Proteus Model Files/
|   |-- TEPBULB.DLL                                   291.0 KB   a model -> MODELS folder
|   |-- TEPIRREMOTE.DLL                               310.5 KB   a model -> MODELS folder
|   |-- TEPNET.DLL                                     2.89 MB   a model -> MODELS folder
|   |-- TEPPCFAN.DLL                                  303.5 KB   a model -> MODELS folder
|   |-- TEPRELAY.DLL                                  330.0 KB   a model -> MODELS folder
|-- Proteus Simulation/
|   |-- ESP32_IR_Home_Automation.hex                   58.7 KB   the firmware
|   |-- ESP32-IR-Home-Automation.pdsprj                35.8 KB   the project simulation
|   |-- TEPBULB.DLL                                   291.0 KB   copy of the model
|   |-- TEPIRREMOTE.DLL                               310.5 KB   copy of the model
|   |-- TEPNET.DLL                                     2.89 MB   copy of the model
|   |-- TEPPCFAN.DLL                                  303.5 KB   copy of the model
|   |-- TEPRELAY.DLL                                  330.0 KB   copy of the model
|-- Arduino Code/
|   |-- ESP32_IR_Home_Automation/ESP32_IR_Home_Automation.ino    8.0 KB   the sketch (source of the .hex)
|-- README.txt                                        ~10.0 KB   this file
Total: 9.03 MB (unzipped). The C++ source code of the models is not included.

WHAT IS IT?
  A room you can switch from an ordinary IR remote and from a web page, in Proteus: an ESP32 decodes the remote's NEC
  frames itself and drives a 4-channel relay module for two lamps, a ceiling fan and a porch light.
    * IR receiver + 21-key NEC remote (IRREMOTEADVTEP, U2): OUT on D35, on the 5 V rail (VS1838B type, 2.7 - 5.5 V;
      3.3 V on a real ESP32). The remote sends address 0x00 and one command per key.
    * 4-channel relay module (RELAY4ADVTEP, RLY1) on the 5 V rail (VCC and JD-VCC): IN1 - IN4 on D25, D26, D27, D14,
      active LOW; COM1 - COM4 on +12V.
    * Relay 1: the living room lamp (BULBP21WTEP, L1, 12 V 21 W). Relay 2: the bedroom lamp (BULBW5WTEP, L2, 12 V 5 W).
      Relay 3: the ceiling fan (PCFAN4PINTEP, FAN1, 12 V; PWM and TACH open = full speed). Relay 4: the porch light
      (BULBW5WTEP, L3).
    * ESP32 DEVKIT V1 (U1) runs ESP32_IR_Home_Automation.hex on TEP-WiFi at 192.168.1.101; the dashboard is on port 80.
    * Laptop WiFi Monitor (PC1) and Mobile WiFi Monitor (MOB1) open http://192.168.1.101/.
  The modules and the board's VIN share the VCC net (the simulation's 5 V rail).
  The remote's keys:
    1 (0x0C) living room lamp   2 (0x18) bedroom lamp   3 (0x5E) ceiling fan   4 (0x08) porch light - each on / off
    EQ (0x09) everything on     0 (0x16) everything off
  A frame whose address or command does not match its inverted copy is rejected (logged at most every 2 s); a LOW
  shorter than 2 ms is a noise glitch, not a 9 ms leader, and is only counted; a held key's repeat codes are counted
  but switch nothing.
  Its pages:
    /            the dashboard: the four loads, the last key, the frame counts, the events
    /t1 - /t4    switch the living room lamp, the bedroom lamp, the fan or the porch light on or off
    /on          everything on
    /off         everything off
    /data        everything as JSON

TEST STATUS
  Tested in Proteus 8 Professional on Windows 11, the run that made the tutorial's screenshots (simulation times):
    * Start: "ready - everything off" at 2 s; the four relay inputs HIGH.
    * Key 1: "living room lamp ON (IR key 1, 0x0C)" at 10 s - the frame 0x00 0xFF 0x0C 0xF3 (raw 0xF30CFF00).
    * Key 3: "ceiling fan ON (IR key 3, 0x5E)" at 12 s; BEDROOM from the laptop: "bedroom lamp ON (web page)" at 15 s.
    * EQ: "everything ON (IR key EQ, 0x09)" at 17 s; key 0: "everything off (IR key 0, 0x16)" at 22 s.
    * NOISE on + key 4: "an IR frame rejected (broken or noisy)" at 23 s, the porch light stays off; 125 noise
      glitches counted, not logged. NOISE off + key 4: "porch light ON (IR key 4, 0x08)" at 27 s.
    * ALL OFF from the phone: "everything off (web page)" at 30 s.
  An earlier build logged every noise glitch as a rejected frame; a LOW shorter than 2 ms is now only counted.
  35 s of simulation took about 4 minutes on our PC with all the captures.

INSTALLATION
  1. Close Proteus. Extract the WHOLE zip file, for example to your Desktop.
  2. Copy the files from "Proteus Library Files" into the LIBRARY folder of Proteus, for example
     C:\Program Files (x86)\Labcenter Electronics\Proteus 8 Professional\LIBRARY
  3. Copy the files from "Proteus Model Files" into the MODELS folder (next to LIBRARY).
  4. Start Proteus. Press P in the schematic and search for ESP32 DEVKIT V1, IRREMOTEADVTEP or RELAY4ADVTEP to check
     that the parts are there.

RUN THE SIMULATION
  1. Open "Proteus Simulation\ESP32-IR-Home-Automation.pdsprj". Keep the .hex and .DLL files beside it.
  2. Press Play. The ESP32 joins TEP-WiFi; everything is off.
  3. Open the Laptop WiFi Monitor (PC1) or the Mobile WiFi Monitor (MOB1) and press Go. Press Refresh to update it.
  4. In the IR receiver's pop-up (U2) click the remote's keys: 1 - 4 switch the loads, EQ all on, 0 all off. Or click
     the remote on the schematic. NOISE in the pop-up breaks frames: they are rejected.
  Your own sketch: the source is in "Arduino Code". Install the TEP Boards for Proteus add-on from the ESP32 DevKit V1
  post; choose Tools > Board > ESP32 DevKit V1 (TEP Proteus), export the compiled binary and set the board's PROGRAM
  property to the new .hex file. The same sketch runs on a real ESP32 Dev Module.

PROPERTIES USED IN THIS PROJECT
  U1 ESP32 DEVKIT V1          PROGRAM=ESP32_IR_Home_Automation.hex
  U2 IRREMOTEADVTEP           (no changes: 1.0 m straight on, the reach 10 m, address 0x00)
  RLY1 RELAY4ADVTEP           (no changes)
  L1 BULBP21WTEP, L2 / L3 BULBW5WTEP, FAN1 PCFAN4PINTEP    (no changes)
  PC1, MOB1                   HOMEPAGE=http://192.168.1.101/

TROUBLESHOOTING
  * No key works: OUT is not on D35, or the receiver has no supply; its pop-up shows what it receives.
  * "an IR frame rejected": noise or a weak signal broke the frame (NOISE on, too far, too far off the axis).
  * A key switches the wrong load: the remote sends other commands - the codes are at the top of the sketch.
  * The relays click but a lamp stays dark: COM has no +12V, or the lamp is on NC instead of NO.
  * "Connecting to TEP-WiFi......" never ends: the .hex file is missing beside the project, or TEPNET.DLL is not in
    MODELS. Copy the files again and restart Proteus.

LICENCES
  * The project, the sketch, the parts (LIB files) and the models (DLL files) are made by The Engineering Projects
    and are free for learning and for your own projects. The models use only standard Windows libraries.
    The C++ source code of the models is not included; the source code is not included for any model.
  * The .hex file is built from the sketch with TEP Boards for Proteus, the Arduino add-on in the ESP32 DevKit V1
    download (its licences are listed in that download). No third-party library is compiled into it.
  * Proteus is a product of Labcenter Electronics and is not included. ESP32 is a name of Espressif Systems and NEC
    of NEC Corporation; this project is not made or endorsed by them.

VERSION
  V1.0 - the first release of the project.
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