Top Square Module Reviews

NOYITO 2-Channel 5V Computer USB Control Switch Relay Module Drive-free relay module Plug and Play Suitable for PC Smart Controller

The module uses HID technology, without any driver, plug and play. Support WIN7,10, XP 32-bit, 64-bit system, easy to use simple..
Onboard square USB interface, stable connection.
use of high-performance USB control chip.
use dedicated relay driver chip ULN2803, relay work more stable.
Power outlet and terminal, two access power mode convenient and flexible. After connecting the power, even if the computer shut down or USB from the computer pull out, the relay can also maintain the set state..
【NOTE: The 1-Channel 2-Channel module does not require an external power supply. 4-Channel 8-Channel modules require an external module power supply. 】PCB size: 56.5mm * 40.6mm, fixed hole size: 3mm, fixed hole center moment: 52.2mm * 36.6mm..

Check Stock

40x4 Character LCD (190x54) FSTN White

【CHANGEABLE IIC ADDRESS】: The built-in standard driver chip SSD 1306 already exists in the libraries of Raspberry Pi and 51 Series,which makes programming very easy. This oled display can be used with different machine easily..
【128 X 64 PIXELS】: With high resolution of 128 x 64 pixels, no need backlight, self-illumination, pixels stand outvery well even in a brighter circumstances like full sunlight..
【COMPATIBLE WITH MANY CONTROL CHIPS】: This oled display can be widely use with 51 series, MSP430 series, STM32/2, CSR IC, etc. 4PCS male pins makes the lightweight connecting easily..
【WIDE FIELD OF CLEAR VIEW】: 0.96inch OLED display module supports 180 degrees of view from up to down and right and left, which is convenient for you to clearly observe the information displayed from different angle..
【EASY TO INSTALL】: With four square holes, our I2C OLED display module can be installed easily, truly convenient to use and simple you working..

Check Stock

Taidacent OPA541 OP AMP High Power Monolithic Operational Amplifier 5A Current High Voltage Audio Amplifier Sound Amplifier Board

Name: OPA541 High Voltage High Current Power Amplifier.
Size: 96mm*64mm*41mm (length, width, height).
The OPA541 module is a power operational amplifier capable of operating with a power supply up to 40V and providing continuous output current up to....
Suitable for motor-driven speaker drive, transformer drive and audio amplifier. It can also amplify triangle wave, sine wave and square wave signals..
The power consumption of the module is large, and the power supply requires a certain margin. It is recommended to use a power supply with a current....
The output signal is recommended to use the SMA to BNC cable to directly observe the effect of the oscilloscope. Poor contact or poor quality wires....

Check Stock

Mr. Heater Propane Unit Heater 80,000 BTU/Hr. MHU80LP

Spark ignition features self-diagnostic control module.
Includes angle brackets (2) for easy install ceiling mount.

Check Stock

OneTigris Universal Sight Pusher Tool - Pistol Glock Rear Sights Pusher Gunsmithing Tools for Handgun

Premium Aluminum Construction – The main body of pistol rear sight pusher tool is built with heavy-duty anodized aluminum alloy for added sturdiness and durability..
Lightweight and Compact – Only 0.7 inches thick and weighs less than 14oz. When you’re not using it, this glock sight pusher tool is compact to save space on your desk, be stored away in a drawer, or even be taken with you to the shooting site..
Adjustable Module Design – Easy to use, The gunsmithing tools have vertical and horizontal adjustment modules to support the slide. and the extra metal module provides multiple pushing surfaces to accommodate a variety of sights. The large handle makes sight adjustments work more easier, so even entry-level shooters can easily use it..
Compatibility Information – The universal pistol rear sight pusher tool fit for square slides, not for angles or notched slides like XD, XDM or Shield..
What You Get – OneTigris universal handgun sights pusher *1, and our friendly customer service..

Check Stock

Pulse Generator, DROK 2pcs LCD Display PWM Frequency 1Hz-150kHz Duty Ratio 0-100 Percent Adjustable Square Wave Rectangular Wave Signal Generator Board

DROK pulse generator module operating voltage range is DC 3.3-30V, adjustable pwm frequency range is 1Hz-150kHz, adjustable duty ratio range is 0%-100%..
Application: it can be used as a square wave signal generator, generate square wave signal for experimental development.
generate square wave signal to control the motor driver.
generate adjustable pulse to control the relevant circuit (PWM dimming speed application etc)..
High Frequency Resolution: frequency in range 1Hz~999Hz, display resolution is 1Hz.
range 1.00kHz~9.99kHz, display resolution is 0.01kHz.
range 10.0kHz~99.9kHz, display resolution is 0.1kHz.
range 1kHz~150kHz, display resolution is 1kHz..
TTL Level Communication: the frequency meter is designed with single-chip TTL level communication, communication standard is 9600 bps..
LCD Display: the blue LCD clearly displays frequency and duty ratio, PWM output can set frequency and duty ratio independently..

Check Stock

NEJE 3 N30820 Laser Engraver, 5.5-7.5w Output Power DIY Laser Engraver and Cutter Machine Support LightBurn, 0.08mm Ultra-Fine Focus, for Acrylic Wood and Glass ,170 x 170 mm(6.7'x6.7')

【High Performance Module】NEJE 3 engraving machine with NEJE classic multi-function N30820 module，5.5-7.5w output power. With square focus, the minimum focus point can reach 0.08×0.08mm. The module is good at engraving with wood, rubber stamping, glass, transparent acrylic and cutting plywood, black acrylic, cloth, etc… The module has a built-in intelligent driver, which can dynamically adjust the fan for quieter use.
【Appropriate Engraver Area】170 x 170 mm engraving area, the desktop professional engraver machine is tiny, beautiful and lightweight, portable and does not take up space, and is fully functional.It is the most cost-effective machine. The whole machine test only needs 4 screws to complete the installation. Suitable for beginners/entrepreneurs/engraver hobbyists/designers/housewives.
【Applicable Engraver Materials】NEJE 3 portable engraving machine supports engraving wood, MDF, leather, paper, cotton and other materials.Cover spraying can engrave stainless steel, glass, transparent acrylic and so on.The machine is compatible with mature engraving software on the market (LaserGRBL, Lightburn) and beginner-friendly software (NEJE 3).
【Security Protect】Safety is always the top priority.NEJE 3 cutting and engraving machine has....

Check Stock

PWM Pulse Frequency Generator, Icstation Signal Generator Module DC 3.3V-30V Function Generator 5-30mA 1-Channel 1Hz-150kHz PWM Pulse Frequency Duty Cycle Square Wave LCD Display

⇝PWM Pulse Frequency module work voltage range is DC 3.3V-30V.
the frequency range is 1Hz-150kHz/1Hz-15kHz.
⇝PWM frequency supports 2 modes:normal mode & accurate mode.Regular mode with 1% duty cycle steps.Precision mode with 0.1% duty cycle steps..
PWM output can set frequency & duty cycle separately.
duty cycle upper and lower bounds adjustable.
⇝Square wave signal generator, generating square wave signal for experimental development, generating square wave signal that controls the motor driver, and generating adjustable pulses for MCU Dimmer.
⇝There is no output voltage control. The output voltage is the same as the input voltage. That can be easily changed by adding a simple potentiometer..

Check Stock

Aprilaire 8910W Touch Screen Wi-Fi IAQ Thermostat; Works with Alexa

Works with Alexa for voice control (Alexa device sold separately)..
Remote monitor and control capabilities with the Aprilaire Wi-Fi Thermostat App on IOS and Android.
Large 10.3 square-inch LCD touch-screen display.
Complete Home Comfort Control – Temperature, Humidity, Air Cleaning, Fresh Air Ventilation.
Consists of user interface and Equipment Control Module.

Check Stock

BOSCH GXL18V-224B25 18V 2-Tool Combo Kit with Connected 1/4 In. and 1/2 In. Two-In-One Bit/Socket Impact Driver and Brute Tough 1/2 In. Hammer Drill/Driver

PREMIUM POWER 18V COMBO KIT: Includes two tools (impact driver and hammer drill) for power, with two CORE18V 4.0 Ah batteries.
HALF DRIVER, HALF WRENCH: Features a 1/4 In. Quick-change hex shank and a 1/2 In. Square drive, for either bits or sockets.
CORE18V BATTERY: Provides next-gen Li-Ion 21700 cell technology in a lightweight, high-power battery with all-day performance.
NEXT-GEN HAMMER DRILL: Engineered with Bluetooth connectivity (with optional Connected Tool Module), KickBack Control and more.
BLUETOOTH CONNECTIVITY: Uses an optional Bosch connected tool Module to connect the tool to the free Bosch toolbox amp on a connected device, to customize settings and provide detailed feedback.

Check Stock

Pentair 27002-0036S Filter Module Replacement Sta-Rite System 2 Modular Pool and Spa D.E. Filter

Fits Pentair Sta-Rite System 2 modular pool and spa D. E filter models PLD50, PLD70, PLDE36, PLD70-DE, PLDE36-DE.
Measures 13-3/4-inch length by 23-3/4-inch height by 13-3/4-inch width.

Check Stock

30pcs Pulley Pully Belt Rubber Drive Belts for Cassette CD DVD DIY Engine Toy Module Car 30-120mm

Material: Rubber of drive belts tape recorder.
Square Drive Belts Size: approx. 30mm to 120mm.
Drive Belt Replacement Application: For disk cd dvd cassette drive belts tape recorder diy toys module car..
Application: Cassette tape machine belt mix package fit almost cassette tape machine..
Package Included: 30 x Pulley Drive Belts.

Check Stock

Yealink MP58-WH-TEAMS - IP Phone MS Teams w/Wireless Handset - Power Adapter Not Included

7 inch (1024 x 600) Capacitive Adjustable Touch Screen.
Optimal HD audio, Yealink Noise Proof Technology.
Built-in Bluetooth 4.2 and Dual Band 2.4G/5G Wi-Fi.
Supports Yealink Bluetooth Wireless Handset BTH58.
Dual-port Gigabit Ethernet, supports PoE.
Supports Microsoft/Yealink/Unify Square Device Management Platform.

Check Stock