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Prototype build folder
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Firmware
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BOM Mechanical & Electrical
Your BTC Home miner perpetual energy partner.
- Dual-Axis Solar Tracking: Automatic East-West and North-South movement for optimal sun positioning
- Intelligent Light Detection: 4-quadrant LDR sensor array for precise sun location
- Adaptive Tracking Algorithm: Dynamic threshold adjustment based on ambient light conditions
- Manual Override Mode: Direct stepper motor control for setup and maintenance
- Safety Limit Switches: Hardware boundaries prevent mechanical damage
- Smooth Motion Control: Configurable step delays for precise and quiet operation
- Multi-Rail Power Monitoring: Real-time voltage, current, and power measurement
- Solar panel input monitoring
- Battery system monitoring
- 12V rail monitoring
- 5V rail monitoring
- INA260 Sensor Integration: High-precision I2C power sensors with 1.25mA current resolution
- Battery Protection: Automated equipment control based on voltage thresholds
- Real-time Power Analytics: Live power flow visualization and data logging
- Voltage-Based Auto Control: Automatic miner on/off based on battery voltage
- Dual Mining Support: Independent 12V and 5V mining equipment control
- Battery Protection: Prevents over-discharge with configurable voltage thresholds
- Manual Override: Direct control when automation is disabled
- State Monitoring: Real-time status of all connected mining equipment
- Precision Temperature Monitoring: Thermistor-based temperature sensing
- Automatic Fan Control: Temperature-responsive cooling with multiple speed zones
- Manual Fan Override: Direct PWM speed control (0-255 range)
- RPM Monitoring: Real-time fan speed measurement via tachometer
- Thermal Protection: Automatic maximum cooling when temperature exceeds safe limits
- Responsive Web Dashboard: Modern, mobile-friendly control interface
- Real-time Data Updates: Live sensor readings and system status
- WiFi Configuration Portal: Captive portal setup for easy network configuration
- Cross-Platform Access: Works on any device with a web browser
- Dark Theme UI: Professional appearance with orange accent colors
- Intuitive Controls: Simple buttons and sliders for all system functions
- Captive Portal Setup: Automatic WiFi configuration on first boot
- EEPROM Credential Storage: Persistent WiFi settings across reboots
- Factory Reset Capability: Easy return to default configuration
- OTA Firmware Updates: Over-the-air updates via web interface
- SPIFFS File System: Web interface files stored on ESP32 flash
- System Health Monitoring: Free heap memory and uptime tracking
- Comprehensive Sensor Readouts: All system parameters in one dashboard
- Error Detection: Sensor communication error reporting
- Debug Information: Serial output for troubleshooting
- Status Indicators: Clear visual feedback for all system states
- Hardware Limit Switches: Physical movement boundaries on all axes
- Emergency Stop Function: Immediate motor shutdown capability
- Automatic Motor Disable: Power saving and overheat prevention
- Voltage Protection: Battery discharge protection for mining equipment
- Thermal Shutdown: Fan control prevents system overheating
- Interrupt-Safe Code: Proper handling of real-time sensor inputs
- ESP32 Platform: High-performance microcontroller with WiFi capability
- Stepper Motor Control: Precise positioning with enable/disable functionality
- I2C Sensor Bus: Multiple power monitoring sensors on single bus
- PWM Fan Control: Variable speed cooling with feedback
- Analog Sensor Inputs: Temperature and light level monitoring
- Digital I/O Control: Mining equipment and safety switch interfaces
- Zero-Configuration Setup: Automatic captive portal on first boot
- Intuitive Controls: Clear labeling and logical interface layout
- Real-time Feedback: Immediate response to user commands
- Mobile Optimization: Touch-friendly controls for smartphone/tablet use
- Status Persistence: System remembers settings across power cycles
- Multi-Device Access: Simultaneous access from multiple devices
- Automatic Tracking Mode: Hands-off solar following operation
- Manual Control Mode: Direct user control of all functions
- Maintenance Mode: Safe configuration for setup and servicing
- Emergency Mode: Quick shutdown and safety protocols
- Setup Mode: Initial configuration and WiFi setup
- High-Resolution Tracking: 800 steps per revolution motor control
- Fast Response Time: 500ms sensor update cycle
- Efficient Power Usage: Motors disabled when not in use
- Smooth Operation: Configurable step delays prevent mechanical stress
- Precision Control: Individual step-level positioning accuracy
- Modular Code Structure: Well-organized functions for easy modification
- Comprehensive Documentation: Detailed code comments and explanations
- API Endpoints: RESTful HTTP interface for external integration
- JSON Data Format: Structured data output for external applications
- Extensible Design: Easy to add new sensors and features
- Open Source: Fully documented and modifiable codebase
- Dynamic Threshold Adjustment: Light-level adaptive tracking sensitivity
- Multi-Sensor Fusion: Combines multiple LDR readings for accurate positioning
- Predictive Control: Intelligent movement based on light patterns
- Failsafe Operation: Continues operation even with sensor failures
- Remote Monitoring: Full system access from anywhere on the network
- Scalable Architecture: Design supports additional modules and sensors Note: As this is a live project, all data is subject to change at any time.
If you wish to support our work you can visit us on Geyser