Unlike complex ICs, this board is simple. Looking at the 4-pin header, you will find:
The is a highly efficient, ultra-compact DC-DC buck (step-down) converter module, commonly identified by its use of the MP1584EN integrated circuit. Engineered for applications requiring a smaller footprint than the ubiquitous LM2596, this module offers superior efficiency and higher switching frequencies, making it ideal for powering sensitive electronics from higher voltage sources.
Despite their obsolete status, technical documentation remains available through: Hw-133-v1.0 Datasheet
The HW-133 series of programming adapters represents an important chapter in the history of CPLD and FPGA development tools. While the specific "v1.0" variant is not clearly documented in publicly available datasheets, the broader HW-133 series provides a comprehensive solution for programming Xilinx XC9500 family devices across a wide range of package types.
: Ensure input polarity is correct to prevent module failure. Step-Down Only Unlike complex ICs, this board is simple
Provides power distribution for Arduino, ESP32, STM32, and Raspberry Pi baseboards from standard industrial 12V/24V power supply units.
Steps down high-voltage LiPo battery packs (e.g., 3S or 4S) to a stable 5V or 6V line for flight controllers, servos, and radio telemetry modules. Despite their obsolete status
The HW-133 v1.0 module uses a simple 4-pin configuration for straightforward integration into a circuit. The pinout of the module is clearly marked on the PCB:
The HW-133-V1.0 provides a minimalist, four-pad layout designed for standard 2.54mm (0.1-inch) male pin headers or direct wire soldering.