This NE 555 square wave pulse generator module is a versatile tool for experimental development and various applications, such as driving stepper motors or providing an adjustable pulse for microcontroller (MCU) applications.
The module features an NE 555 timer chip with jumpers and a potentiometer to fine-tune the frequency in four frequency ranges, and a second potentiometer to adjust the d…

The Boost Connect SIM Card is a reliable option for uninterrupted communication.
It is compatible with the Expanded Network and works with a wide range of phones. The triple cut SIM card (nano, micro, and regular) allows for easy installation.
The card boasts more LTE and 5G nationwide coverage, as well as features such as VoLTE and HD Audio for clear phone calls.
Keep in mind that th…

The Haida 67mm PROII Variable ND 2-5 Stop ND filter offers photographers and videographers the flexibility to adjust exposure levels by 2 to 5 stops, allowing for creative control over aperture and shutter speed settings.
With a density range from 0.6 to 1.5, this filter darkens the entire image, enabling the capture of dynamic scenes with ease.
The front filter ring allows for easy adjus…

The Hoya Variable Density II filter is a high-end product designed for cameras and photo enthusiasts.
Its new design minimizes the vignette effect that often occurs when shooting with wide-angle lenses. The filter's variable neutral density feature allows for the use of a single filter instead of a set of 3-4 fixed neutral density filters, saving both time and money.
Its compact size also…

The A-Tech 64GB 4x 16GB 2Rx 8 PC 4-21300R DDR 4 2666MHz ECC REG RDIMM Server Memory RAM is designed for high-performance servers requiring reliable memory solutions.
With a frequency of 2666MHz and a dual rank x 8 configuration, this memory kit offers a total capacity of 64GB. Ideal for data-intensive applications, this DDR 4 memory module ensures efficient data access and processing for enha…

The Smart RFID Duplicator is a portable and budget-friendly tool designed for RFID access control.
This device can match various types of cards, supporting a wide range of frequencies including 125khz, 250khz, 375khz, 500khz, 625khz, 750khz, 875khz, 1000khz, and 13.56khz.
It features a 3.2-inch full-color screen with a built-in multi-lingual display and voice operation prompt. Additionall…

The ULTIMAXX TwistND Filter is a variable neutral density filter designed for use with digital, video, and SLR cameras.
It allows for total control over depth of field and is an efficient way to create certain special effects. The filter is adjustable from ND 2-ND 400 by twisting the filter, and features digital multi-coated HD Japan optics.
It also comes with a built-in rotating ring and…

The GreenGrip Drive Belt is a lawn mower part designed to replace the OEM part numbers of various brands including Craftsman, Cub Cadet, MTD, Rover, and Toro.
With a width of 5/8" and a length of 90 1/2", this variable speed drive belt is compatible with a range of lawn mower models.
Made by 8TEN Parts, this budget-friendly option offers a reliable option for those in need of a new drive …

This rotating kaleidoscope is a classic educational toy suitable for both children and adults.
Made from eco-friendly plastic and paper materials, it is safe to play with and has no unpleasant smell. The 3D mirror design allows for realistic and magical patterns to be created, providing a source of stress relief and increasing small joys in daily life.
With a large size of 30cm and a weig…

The Byrna Boost Launcher CO 2 Adaptor with Accessory Rail is a personal security product that can upgrade your Byrna SD Launcher.
With this adaptor, you can use standard 12 gram CO 2 cartridges, allowing you to fire up to 30 rounds per cartridge. This means you can have 50% more shots per canister, making it more convenient for you.
The Byrna Boost Adaptor is easy to install and is compat…