Bitaxe Ultra 204 with 5amp 5V power supply

Bitaxe Ultra is an entirely open-source, third-generation hardware Bitcoin ASIC miner. This advanced model integrates the BM1366 ASIC chip, previously featured in the Antminer S19XP. Each unit includes a 5V DC power supply equipped with a 2.1/5.5mm barrel jack connector.

The device runs on AxeOS, a user-friendly open-source firmware that enables complete control over your mining operations. Adjust settings and track performance via an intuitive web interface.

Objectives

• Mines directory to your pool over WiFi; no need for an external computer.
• Designed for affordability, ease of maintenance, continuous operation, and energy efficiency.
• Employs the highly efficient BM1366 chip from Bitmain.
• Supports both solo and pool mining and allows adjustments for power, heat, and efficiency.

Specifications

• Connectivity: Features the ESP32-S3-WROOM-1 WiFi microcontroller.
• Voltage Regulation: Utilises the TI TPS40305 buck regulator to convert 5V input for powering the BM1366.
• Power Adjustment: The Maxim DS4432U+ current DAC enables precise digital adjustment of the BM1366 core voltage, ranging from 0.04V to 2.4V.
• Power Monitoring: The TI INA260 power meter for accurate measurement of voltage and current input to the miner.
• Cooling Management: Microchip EMC2101 PWM fan controller with tachometer output monitoring. Note: Internal temperature measurement is currently non-functional.
• Display: Includes a 0.91″ SSD1306 OLED I2C display module for real-time monitoring.

Stand Design for Bitaxe Ultra

The stand is designed with openness in mind to ensure ample airflow, which is essential for maintaining performance, even when overclocking. It also securely holds and displays the OLED screen.