Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Operating Voltage	DC 24V
Frequency	1.7MHz
Compatible Plate Size	20mm / 25mm / 30mm
Material	FR-4 PCB with Copper Traces
Max Power Output	35W
Interface Type	Solder Pad Terminals
Dimensions	45 x 25 x 12 mm
Weight	8 grams
Application	Ultrasonic Humidifiers, Aroma Diffusers
Package Includes	1x Driver Board Module

6 reviews

Anonymous

Mar 31, 2026

Rating: 5/5

Compact and Powerful

The size is very compact, making it easy to fit into small enclosures. The mist output is strong and consistent. Highly recommend for anyone modifying aroma diffusers.

Anonymous

Mar 30, 2026

Rating: 4/5

Good replacement part

Used this to fix an old humidifier that stopped misting. It fits well and the frequency matches my existing transducer. Only giving 4 stars because the instructions could be more detailed.

Anonymous

Mar 27, 2026

Rating: 5/5

Reliable and Efficient

I've tested this with three different plates and it drives them all efficiently without overheating. Great value for electronics hobbyists looking to build custom misting systems.

Anonymous

Mar 18, 2026

Rating: 5/5

Perfect for DIY Humidifier Projects

This module works exactly as described. I paired it with a 25mm atomizing plate and it produces a fine mist immediately upon powering up. The soldering points are clear and easy to work with.

Anonymous

Mar 08, 2026

Rating: 5/5

Great for plant propagation setups

Building a high-humidity chamber for my cuttings and this driver module is the heart of the system. Silent operation and creates a dense fog. Very satisfied.

Anonymous

Mar 03, 2026

Rating: 3/5

Works but requires precision

The board works well once connected properly, but the pads are quite small. If you don't have good soldering skills, you might struggle. Functionality is solid though.

5 FAQ

Q: Is there any protection against dry running?

A: This basic driver module does not have built-in water level sensors or dry-run protection. You will need to implement external monitoring if that feature is required for your project.

Q: Does this come with the ceramic atomizing plate included?

A: No, this package contains only the driver board module. The atomizing plate (transducer) must be purchased separately.

Q: What is the maximum diameter of the atomizing plate supported?

A: While it is optimized for 20mm to 30mm plates, it can technically drive plates up to 35mm, though efficiency may decrease slightly with larger diameters.

Q: Can this driver board work with a 12V power supply?

A: No, this specific GDB-1 model is designed for DC 24V input. Using 12V may result in insufficient mist production or failure to oscillate.

Q: How do I connect the wires to the board?

A: The board features solder pads labeled for Power (+/-) and Transducer connections. You will need to solder your wires directly to these pads; no screw terminals are provided.

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