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The HW-133-V1.0 datasheet typically includes the following sections:
: The HW-133B is a newer variant of the module, often featuring a fixed 5V output and a different input range. For instance, the datasheet for the HW-133B specifies an input voltage of DC 7V-28V and a fixed 5V output, compared to the adjustable 0.8-20V output of the HW-133-v1.0. The HW-133-v1.0 offers more flexibility due to its adjustable output.
Roughly 22mm x 17mm x 4mm, making it significantly smaller than standard LM2596 modules. Performance Review Pros:
The HW-133 adapters meet various environmental and regulatory standards: Hw-133-v1.0 Datasheet
Before wiring your targeted load (e.g., an Arduino, ESP32, or sensor array) to the module, you must calibrate the voltage output:
HW-133-V1.0 Datasheet: Technical Overview & Guide The HW-133-V1.0 Go to product viewer dialog for this item.
higher than the desired output voltage to maintain stable regulation. Application Scenarios The HW-133-V1
Connect your primary power supply (such as a 12V or 24V battery) to the and IN- pads. Do not connect your target device to the output pads yet.
The onboard miniature potentiometer can be sensitive, requiring fine adjustments to dial in precise voltages like 3.3V or 5V.
The module is designed for simple integration. The PCB has been optimized for thermal management, featuring thermal vias under the IC and inductor to improve heat dissipation. It features a straightforward 4-pin interface, clearly labeled on the PCB. Roughly 22mm x 17mm x 4mm, making it
The HW-133-V1.0 is engineered with a simple, four-pad layout designed for either direct wire soldering or standard 2.54mm pin headers. Connection Pads
Dry = High Voltage / Wet = Low Voltage.
The "v1.0" simply indicates the PCB revision. If you have this board, you have a device designed to detect water, moisture, or rainfall.
The is an ultra-compact, high-efficiency DC-DC step-down (buck) converter module based on the MP1584EN or MP1484EN high-frequency switching regulator. It is designed to convert a higher input voltage into a lower, stable output voltage with up to 3A of continuous output current. 📋 Technical Specifications