Reviews Square Wave

Mini Desktop Multimeter, 55000 Counts 3.7in LCD Digital Multi Tester, AC / DC Current, AC / DC Voltage, Resistance, Capacitance(US Plug)

  • Compact and accurate, Just a little bigger than your smart phone, easy to bring along..
  • Features 9999 Counts Backlight AC DC Current Voltage Resistance Frequency Capacitance Square Wave Output Auto/Manual Ranges.
  • Square-wave generator can output a 5v PP pulse train up to 5Mhz..
  • Frequency: 0.01Hz to 9.999MHz. Capacitance: 0.001nF to 9.999mF. AC volts: 0.001mV to 750V & DC volts: 0.001mV to 999.9V..
  • AC current: 0.01uA to 9.999A & DC current: 0.01uA to 9.999A. Resistance: 0.01Ω to 9.999MΩ. (Battery not included).
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SLUXKE Gallon Water Bottle Jug with Time Marker BPA Free, 128oz Big Water Bottle with Handle and Straw Leak Proof, One Click Open Huge Sports Water Bottle Blue

  • CONFIDENCE: Proudly made by the most trusted name in BPA Free Bottles. Be confident your water is stored in a bottle made of safe material.
  • SPACE SAVING DESIGN: New Wave Enviro’s unique design ensures that the valuable real estate in your refrigerator is used as efficiently as possible. Have cold, refreshing water ready to grab & go.
  • DELIGHTFULLY DURABLE: Designed with you in mind, the 1 Gallon Square by New Wave Enviro is ready to go wherever you do.
  • SUSTAINABLE: Each refill will save 8 trash ready, single-use plastic bottles from entering landfills, oceans, or your local communities. Feel good about ‘doing your part’ with the 1 Gallon Square by New Wave Enviro.
  • EVERYDAY USE: Take the guessing out of where your water is from. Fill at home and bring your bottle to work, or wherever you may go. Just remember.
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Hantek Professional Automotive Oscilloscope 2D82AUTO, 4 in 1 Handheld Oscilloscope Multimeter, Digital USB Oscilloscope with 2 Channels 80 MHz Bandwidth, Oscilloscope Kit 2D82 III

  • 4CH oscilloscope,with 1CH Arbitary/function waveform generator,independent keys of oscilloscope and waveform generator which is easy to operate at the same time..
  • 250MHz bandwidth, minimum measurement range 500μV /div,1GS/s sample rate,advanced digital trigger system,high trigger sensitivity..
  • The high-resolution 7-inch color LCD screen (800x480 pixels),provides more than 14 trigger functions: edge, overtime, pulse, pattern, interval, etc..
  • Function/arbitrary signal generator25MHz,12BitS resolution, 200MHz DDS, ARB/square wave/sine wave/triangular wave/trapezoidal wave/impulse wave/DC etc.,easy to simulate the sensor..
  • Before use,please read the instructions enclosed with the product.If you have any questions about the product, please contact us promptly.We will provide you with 100% satisfaction guarantee and perfect service..
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ICQUANZX Upgraded 60MHz DDS Signal Generator Counter,High Precision Dual-Channel Arbitrary Waveform Function Generator Frequency Meter 200MSa/s (60MHz)

  • Arbitrary Waveform Generator adopts large scale FPGA integrated circuit and high speed MCU microprocessor. The internal circuit adopts active crystal oscillator as benchmark. So the signal stability is greatly strengthened..
  • Using Dual-channel DDS signal and TTL electric level output to generate precise, stable, low distortion output signal. includes Sine wave, Square wave, Triangle wave, Sawtooth wave, Pulse wave, white noise, user-defined waveform etc. each channel can be independently set the parameters..
  • With linear sweep(Max. up to 999.9s) and logarithmic frequency sweep functions.Has a frequency measurement, period measurement, positive and negative pulse width measurement and counting function..
  • Storage feature: You can store 99 groups instrument state parameters set by the user, can be called up to Reproduce. Frequency output of Sine wave can be up to 60MHz. 200MSa/s sampling rate. It has 60 positions for saving user-defined waveform. Waveform Length of each one is 2048 and vertical resolution is 14 bits.
  • This Signal Generator is the ideal instrument for electronic engineering, laboratories, production lines, teaching and scientific research..
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24 Pcs Wooden Mini Chalkboards Signs for Food Signs, Wedding Signs, Message Signs, Event Decorations, and Include 2 Kinds of Board, Wooden Stand, 2 Chalk Markers.

  • There are 12 pieces wave-shaped boards, 12 pieces square boards, 24 pieces wooden stands and 2 chalk markers in the package..
  • The size of the square board and wave-shaped board are 3.94*2.95 inches..
  • These mini chalkboard are made of wood and there is a chalkboard label stick on the surface of each one..
  • These mini blackboards are easy to write and erase, can be written repeatedly and are easy to store..
  • These mini blackboards are suitable for dinners, parties, weddings, teaching,officemate,kitchen and all kinds of markings.
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Frequency Generator, DROK DC 3.3V-30V 5-30mA 1Hz-150kHz Adjustable Output PWM Pulse Duty Cycle Square Wave Function Signal Generator Module

  • PARAMETER --- working voltage range 3.3V-30V.
  • APPLICATION --- as square wave signal generator for experimental development.
  • as square wave signal generator for motor driver.
  • as adjustable pulse generator for PWM dimming, speed regulating, etc..
  • DISPLAY--- clear LCD displays frequency & duty ratio value..
  • MODE --- 2 modes, normal mode & accurate mode..
  • PWM output, can set frequency & duty cycle separately.
  • duty cycle upper and lower bounds adjustable.
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Signal Generator, DROK DC 3.3-30V Function Generator 5-30mA LCD Display PWM Pulse Frequency Duty Cycle Rectangular Wave Square Wave Signal Generator

  • PARAMETER ---- operating voltage range DC 3.3v~30v.
  • APPLICATION ---- as square wave signal generator for experimental development.
  • as square wave signal generator for motor driver.
  • as pulse generator, control related circuits (PWM dimming, speed regulating)..
  • SERIAL COMMUNICATION ---- support serial communication, TTL level..
  • DATA AUTO STORAGE ---- all parameters will be saved automatically after setting and therefore won't lose when power off..
  • OTHER FEATURES ---- with LCD display to display frequency and duty cycle value.
  • PWM output, can set frequency and duty cycle separately by buttons.
  • frequency value is divided into 4 range and switched automatically, with high precision..
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Koolertron Upgraded 15MHz DDS Signal Generator Counter,High Precision Dual-Channel Arbitrary Waveform Function Generator Frequency Meter 200MSa/s (15MHz)

  • Arbitrary Waveform Generator adopts large scale FPGA integrated circuit and high-speed MCU microprocessor. The internal circuit adopts the active crystal oscillator as the benchmark. So the signal stability is greatly strengthened..
  • Using Dual-channel DDS signal and TTL electric level output to generate precise, stable, low distortion output signal. includes Sine wave, Square wave, Triangle wave, Saw toothwave, Pulse wave, white noise, user-defined waveform etc. each channel can be independently set the parameters..
  • With linear sweep(Max. up to 999.9s) and logarithmic frequency sweep functions.Has a frequency measurement, period measurement, positive and negative pulse width measurement and counting function..
  • Storage feature: You can store 99 groups instrument state parameters set by the user, can be called up to Reproduce.The frequency output of Sine wave can be up to 15MHz. 200MSa/s sampling rate. It has 60 positions for saving user-defined waveform. Waveform Length of each one is 2048 and vertical resolution is 14 bits.
  • This Signal Generator is the ideal instrument for electronic engineering, laboratories, production lines, teaching and scientific research..
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1HZ-500KHZ FG-100 DDS Functional Signal Generator Frequency Meter Signal Source Module Frequency Counter

  • Feature FG-100 DDS Function generator is a low frequency signal generator..
  • It is small size, full function, easy operating and portable. Its power supply can be either AC/DC adaptor or a Lithium battery..
  • Working with an oscilloscope, it can be used to troubleshoot the electronic circuit, characterize the audio amplifier frequency response or measure the impulse response..
  • Due to the excellent DSS accuracy and frequency stability, it can also be used to calibrate the sweep time factor for oscilloscopes. You can also use its square wave to calibrate your oscilloscope attenuator or adjust your oscilloscope probe.
  • Have a filter (can be opened and closed) to suit the output of sine wave and pulse wave..
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