AC Communication Translator & Simulator
Budget: ₹75,000 – ₹150,000 INR
Project Overview – USG7007
Universal AC Communication Translator & Simulator
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1. Hardware
MCU Options:
1. ESP32-WROOM (default: WiFi/Bluetooth, fast prototyping, easy coding).
2. STM32 Series MCU (optional: industrial-grade reliability, advanced timers, better UART/PWM handling).
Memory: External EEPROM/Flash IC for storing signal data and brand profiles.
RTC Module: For warranty time tracking and logging.
Display: 16x2 LCD with I²C interface.
Input/Output:
Indoor PCB signal input/output
Outdoor PCB signal input/output
USB-C (CH340/CP2102): For firmware programming, debugging, and updates.
Buttons: Push buttons for manual menu navigation and brand saving.
Buzzer: For alerts, fault warnings, and feedback.
Protection: Reverse polarity, over-voltage cutoff (>6V), miswiring protection, and optocoupler-based signal isolation.
PCB Size: 10 cm × 6 cm.
Enclosure: ABS plastic box labeled “Sagar Refrigeration – USG7007.”
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2. Power Supply
AC-DC Micro SMPS: 230V AC input, converted to 5V regulated DC.
External 5V DC Input: For portable or external power operation.
Power Mode Indicator: LCD shows “AC Mode” or “DC Mode.”
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3. Software & Firmware Functions
Signal Capture: Reads UART, PWM, and DC-Shift signals from AC PCBs.
Signal Translation: Converts one brand’s signal into another brand’s format.
Simulation Modes:
1. Indoor-only mode – provides fake compressor, fan, and sensor signals.
2. Outdoor-only mode – provides fake indoor communication and sensor values.
Auto Recognition: Saved brand data is auto-detected when reconnected.
Security Features:
PIN activation on first-time setup.
Signal lock to first saved brand profile.
Diagnostic Features:
Startup self-test routine.
Real-time signal frequency display.
Fault log storage in EEPROM.
Last working brand profile auto-load.
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4. Application (Optional Mobile App)
Remote ON/OFF control.
Manual brand selection and signal saving.
Firmware update via USB or WiFi.
Status monitoring and error log display.
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5. Workplace Usage Examples
Example 1 – Cross-Brand Communication
Case: Daikin Indoor PCB + LG Outdoor PCB.
Action: Connect both through USG7007.
Result: Indoor signals are translated to LG format and vice versa.
Outcome: Both work together smoothly.
Example 2 – Indoor PCB Testing Without Outdoor
Case: Panasonic Indoor PCB available, no outdoor unit.
Action: Connect to USG7007 in Indoor Simulation Mode.
Result: Device provides fake compressor, fan, and sensor signals.
Outcome: Indoor PCB works standalone for testing.
Example 3 – Outdoor PCB Testing Without Indoor
Case: Voltas Outdoor PCB available, no indoor unit.
Action: Connect to USG7007 in Outdoor Simulation Mode.
Result: Device simulates indoor signals and sensors.
Outcome: Outdoor PCB works standalone for testing.
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6. Benefits in the Field
Supports both MCU options (ESP32 for easy development, STM32 for industrial use).
Works for indoor-only or outdoor-only testing.
Enables cross-brand communication between different PCBs.
Reduces dependency on complete AC units during repair.
Saves time, improves accuracy, and increases workshop efficiency.
---
Do you want me to make two separate cost estimations also – one if project is built with ESP32 and another if it is built with STM32 – so you can compare and discuss with the developer?
Universal AC Communication Translator & Simulator
---
1. Hardware
MCU Options:
1. ESP32-WROOM (default: WiFi/Bluetooth, fast prototyping, easy coding).
2. STM32 Series MCU (optional: industrial-grade reliability, advanced timers, better UART/PWM handling).
Memory: External EEPROM/Flash IC for storing signal data and brand profiles.
RTC Module: For warranty time tracking and logging.
Display: 16x2 LCD with I²C interface.
Input/Output:
Indoor PCB signal input/output
Outdoor PCB signal input/output
USB-C (CH340/CP2102): For firmware programming, debugging, and updates.
Buttons: Push buttons for manual menu navigation and brand saving.
Buzzer: For alerts, fault warnings, and feedback.
Protection: Reverse polarity, over-voltage cutoff (>6V), miswiring protection, and optocoupler-based signal isolation.
PCB Size: 10 cm × 6 cm.
Enclosure: ABS plastic box labeled “Sagar Refrigeration – USG7007.”
---
2. Power Supply
AC-DC Micro SMPS: 230V AC input, converted to 5V regulated DC.
External 5V DC Input: For portable or external power operation.
Power Mode Indicator: LCD shows “AC Mode” or “DC Mode.”
---
3. Software & Firmware Functions
Signal Capture: Reads UART, PWM, and DC-Shift signals from AC PCBs.
Signal Translation: Converts one brand’s signal into another brand’s format.
Simulation Modes:
1. Indoor-only mode – provides fake compressor, fan, and sensor signals.
2. Outdoor-only mode – provides fake indoor communication and sensor values.
Auto Recognition: Saved brand data is auto-detected when reconnected.
Security Features:
PIN activation on first-time setup.
Signal lock to first saved brand profile.
Diagnostic Features:
Startup self-test routine.
Real-time signal frequency display.
Fault log storage in EEPROM.
Last working brand profile auto-load.
---
4. Application (Optional Mobile App)
Remote ON/OFF control.
Manual brand selection and signal saving.
Firmware update via USB or WiFi.
Status monitoring and error log display.
---
5. Workplace Usage Examples
Example 1 – Cross-Brand Communication
Case: Daikin Indoor PCB + LG Outdoor PCB.
Action: Connect both through USG7007.
Result: Indoor signals are translated to LG format and vice versa.
Outcome: Both work together smoothly.
Example 2 – Indoor PCB Testing Without Outdoor
Case: Panasonic Indoor PCB available, no outdoor unit.
Action: Connect to USG7007 in Indoor Simulation Mode.
Result: Device provides fake compressor, fan, and sensor signals.
Outcome: Indoor PCB works standalone for testing.
Example 3 – Outdoor PCB Testing Without Indoor
Case: Voltas Outdoor PCB available, no indoor unit.
Action: Connect to USG7007 in Outdoor Simulation Mode.
Result: Device simulates indoor signals and sensors.
Outcome: Outdoor PCB works standalone for testing.
---
6. Benefits in the Field
Supports both MCU options (ESP32 for easy development, STM32 for industrial use).
Works for indoor-only or outdoor-only testing.
Enables cross-brand communication between different PCBs.
Reduces dependency on complete AC units during repair.
Saves time, improves accuracy, and increases workshop efficiency.
---
Do you want me to make two separate cost estimations also – one if project is built with ESP32 and another if it is built with STM32 – so you can compare and discuss with the developer?