Hw-133-v1.0 Datasheet Jun 2026

| Feature | Hw-133-v1.0 | FC-28 | YL-69 | HL-83 | | :--- | :--- | :--- | :--- | :--- | | Comparator | LM393 | LM393 | LM393 | None (only analog) | | Potentiometer | Yes | Yes | Yes | No | | Analog Output | Yes (AO) | Yes (AO) | Yes (AO) | Yes (AO) | | Digital Output | Yes (DO) | Yes (DO) | Yes (DO) | No | | Typical Price | $1.50 | $2.00 | $1.80 | $1.00 |

The is a compact, high-frequency DC-DC Step-Down (Buck) Converter module based on the MP1584EN control chip. It is widely used in hobbyist electronics, drone technology, and DIY projects where space is limited but power efficiency is critical.

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These values are practical defaults used in application design; confirm against your unit’s silkscreen or vendor sheet where available.

The HW-133-v1.0 is a testament to how modern power electronics can be both powerful and incredibly small. By leveraging the advanced MP1584 regulator, it offers a compact, efficient, and highly versatile solution for countless voltage conversion needs. Whether you are a hobbyist powering your latest gadget, an engineer prototyping an embedded system, or a technician performing a field repair, the HW-133-v1.0 datasheet reveals a module that punches far above its weight class. Its ease of use, coupled with robust specifications, ensures it will remain a staple on workbenches and in product designs for years to come. Hw-133-v1.0 Datasheet

Converts volatile 12V vehicle electrical lines into clean, transient-filtered 5V rails for dash cams, sensor networks, or GPS trackers.

Connect to the negative or ground terminal of your load device. Functional Highlights High Switching Frequency | Feature | Hw-133-v1

| Hw-133-v1.0 | Arduino Uno | | :--- | :--- | | VCC | 5V | | GND | GND | | DO | Digital Pin 2 | | AO | Analog Pin A0 |

Increases efficiency during light-load conditions by reducing the switching frequency. The HW-133-v1

: Unlike linear regulators (like the L7805), the HW-133-V1.0 uses switching technology to minimize heat loss, making it ideal for battery-powered projects.

The board features four main solder pads. Note that the input voltage must always be at least than the desired output voltage. IN+ : Positive Input (4.5V - 28V) IN- : Negative Input / Ground OUT+ : Positive Output (Adjusted Level) OUT- : Negative Output / Ground