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Revise hardware requirements in PROJECT_SUMMARY.md

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Updated hardware requirements and power configuration details.
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Amir
2025-12-19 23:56:55 +01:00
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parent 950526606b
commit d78c7ef532
1 changed files with 5 additions and 4 deletions
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PROJECT_SUMMARY.md
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@@ -43,10 +43,11 @@ esp32-energy-meter/
## 🔧 Technical Specifications
### Hardware Requirements
- **ESP32 Development Board** (any variant)
- **JSY Energy Meter** with Modbus RTU over RS485
- **ESP32 Wemos D1 Mini** (compact ESP32 development board - recommended)
- **JSY-MK-194G Energy Meter** with Modbus RTU over RS485
- **SSD1306 128x64 OLED Display** (I2C, address 0x3C)
- **RS485 to TTL Converter** for Modbus communication
- **Meanwell APV-8-5 5V 8W Power Supply** for system power
### Pin Configuration
```
@@ -59,8 +60,8 @@ I2C (OLED):
- SCL: GPIO22
Power:
- 3.3V: OLED, RS485 module
- 5V: ESP32 via USB
- 5V: External power supply to ESP32 +5V pin (main power)
- 3.3V: ESP32 internal regulator powers OLED, RS485 module, and energy meter
```
### Communication Protocols