Reviews Clock Oscillator

Betus Flip Desk Clock - Mechanical Retro Style -Digital Display Battery Powered - Home & Office Décor 8 x 6.5 x 3 Inches (White)

  • Retro style - A classic minimalistic design inspired by split-flap display seen in old train stations. This clock will catch the eyes of any visitor to your home or office. A great conversation piece!.
  • Premium gift - This clock features stainless steel frame and ABS cards to guarantee its durability. Keeps time accurately thanks to the quartz oscillator. It's a great gift to your friends and beloved ones for Birthday, Chirstmas or any other occasion!.
  • Great decor - This timepiece is the best home and office decoration you will ever find. The neat style makes the clock suitable for any room. Huge numbers on the cards makes it easy to read from distance..
  • Specification - Adjust through a single knob next to the minute display. It is advised to set the time one minute ahead to compensate the clock's mechanism. 12-hour AM/PM display. 8 inches in length, 3 inches in width and 6.5 inches in height. Featuring stainless steel frame, ABS cards and quartz oscillator. Powered by 1 x D battery (Not included)..
  • Warranty - We stand behind our products! All items sold by us come with a one year warranty..
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DAOKI 5Pcs RTC I2C Module Arduino I2C RTC DS1307 AT24C32 Real Time Clock Module 24C32 Memory High Precision for AVR ARM PIC SMD Compatible with Arduino with 60 Pin

  • Clock chip: high-precision clock chip DS3231SN.
  • is a low-cost, extremely accurate I2C real-time clock (RTC), with an integrated temperature-compensated crystal oscillator (TCXO) and crystal..
  • The device incorporates a battery input, disconnect the main power supply and maintains accurate timekeeping..
  • Integrated oscillator improve long-term accuracy of the device and reduces the number of components of the production line..
  • The DS3231 is available in commercial and industrial temperature ranges, using a 16-pin 300mil SO package..
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Intel/Altera Cyclone IV FPGA Development Board -- DueProLogic

  • Intel/Altera Cyclone IV FPGA includes 6,000 Logic Elements with two clock multipliers. The Cyclone IV FPGA is the perfect balance of inexpensive cost versus plentiful logic cells, 20KBytes of SRAM, and General Purpose Input/Output pins. This is a great board to learn how to program FPGA's..
  • Built in programmer cable allows configuring the FPGA with a single Micro-B cable. The DPL can be powered from the USB cable or from the Barrel Connector. A separate JTAG header can also be used to program the FPGA using a compatible USB Blaster cable..
  • 6x6 LED Array allows character and animations to be displayed at ultra fast speed. LED blocks can be individually turned on/off to allow LED signals to be used as I/O's.
  • 70 Inputs/Outputs originating at the FPGA are available at Stackable Headers organized around the edge of the board. The user can configure these I/O's using the FPGA project code..
  • The DPL contains two oscillators, 66MHz and 100MHz. The 66MHz oscillator is used to provide clocking for the EPT ActiveHost USB communications core. The 100MHz oscillator can be used by the user clocked up using one of the onboard Clock-DLL modules..
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Dingdong Store DIY Electronic Clock kit 4 Digital Tube Multicolor LED time Week Temperature Date Display with Clear case Cover DIY sodering Project (Blue)

  • Reminder Before Soldering: This product is a soldering practice kit, and it need soldered by yourself. Please check all the components according the packing list before soldering..
  • The Clock Comes with English Instruction: If you have any questions about the product or need soldering steps instruction with picture, please feel free to contact us..
  • Multifunctional: The clock can be set to display time, temperature, date, week and alarm..
  • High Precision: The clock uses high-precision crystal oscillator, smart chip and with time correction function, all this make the clock with a more accurate precision..
  • Great Soldering Project Kit: The DIY Clock Kits are used to installed to a 4-Digit Digital Electronic Clock. It is widely used in schools to help students learn basic mechanical and electronic skills. It's a great Science Fair project..
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Gustard R26 Discrete R2R MQA DAC K2 Clock Dual Native DSD Decoder XMOS Balanced LDAC DAC with Remote Control (Silver)

  • 【Discrete R2R DAC】R-2R ladder DAC converts the digital signal to analog signal by switching resistor's array. 【XMOS XU216】DAC-R26 using 2nd XMOS XU216, supports up to PCM768 & DSD512..
  • 【1Bit DAC Native】1 Bit DAC, supports DSD 512 ( via USB ) and DSD 1024( via IIS ) .The DSD stream is decoded by the independent 1 Bit DAC without DSD to PCM converting..
  • 【Clock Synthesis】DAC-R26 adopts ultra-low noise clock synthesizer K2 clock . Provide an accurate clock from the local oscillator or external clock input. The interference from the input source clock is avoided..
  • 【LPF Of DAC-R26】The discrete circuits of the DAC-R26 control every detail of sound and performance. LPF is specifically designed for the D/A converter using discrete devices..
  • 【Full MQA decoding】The DAC-R26's USB/OPT/COAX/AES/IIS inputs all support full MQA decoding, PCM44.1kHz-384kHz. Presenting you with a complete and rich music scene..
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ZYAMY 3pcs DS3231 AT24C32 IIC Precision RTC Real Time Clock Memory Module

  • DS3231 is a low-cost, extremely accurate I2C real-time clock (RTC), with an integrated temperature-compensated crystal oscillator (TCXO) and crystal..
  • RTC maintains seconds, minutes, hours, day, date, month, and year information. Less than 31 days of the month, the end date will be automatically adjusted, including corrections for leap year..
  • The clock operates in either the 24 hours or band / AM / PM indication of the 12-hour format..
  • Provides two configurable alarm clock and a calendar can be set to a square wave output. Address and data are transferred serially through an I2C bidirectional bus..
  • The device integrates a very precise digital temperature sensor, On-chip power supply control circuit can automatically detect and manage the main and standby power (i.e., low-voltage battery) to switch between the power supply..
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fyeTa DIY Clock kit Digital Tube Time temperatiure Date Display English Voice time Night Light DIY Electronic kit Soldering Projects(Green)

  • Digital tube led color:green. clock function:Voice timekeeping function, hourly timekeeping function, temperature display (correction), alarm clock, night light, automatic brightness adjustment, date display, week display, power-off memory.
  • Single chip microcomputer:STC15W408AS DIP-28,Clock IC:DS1302 DIP-8.32867hz crystal oscillator,CR1220 button battery with power off memory function,USB turn 5V power input..
  • Tutorial: The product contains a paper manual. Scan the QR code on the manual to enter the web manual, including detailed welding step diagrams and welding step videos, and instructions for setting the clock..
  • Reset: Press and hold 3 buttons at the same time for 5 seconds, then 12:00 is displayed, and the reset is successful. (The default is to turn off the voice and alarm functions).
  • widely used in schools to help students learn basic mechanical and electronic skills.Through the analysis of the circuit, understand the working principle of the circuit, learn to train electronic skills, welding training..
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Water Flowing Light Module, 2 Pcs Light Module Electronic Light Kit LED Chaser DIY Kit LED Running Light for Electronic Circuit

  • Mainly composed of clock generation circuit and decimal counter circuit..
  • The self-excited multivibrator with NE555 as the core, the power supply charges capacitor C1 through R2, R3, R4. When C1 starts charging, the 2 pin of NE555 is still at low level, so the output pin 3 is high level. When the power supply is charged to the.
  • The charging time is: 0.695 (R2+R3+R4)C1, the discharge time is: 0.695 (R4+R3)C1, the R4 can be adjusted to control the output frequency of the oscillator, and the clock oscillation signal of NE555 is continuously added to the 14th pin of CD4017..
  • Ten LEDs are connected to the 10 outputs of the CD4017. When the 10 outputs of the CD4017 alternately generate a high level under the action of the clock signal, D1--D10 are sequentially illuminated to form a water-light effect..
  • Adjust the R4 to adjust the flow speed of the LED light..
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Tecsun H501 Digital Worldband AM/FM Shortwave Longwave Radio with SSB Reception, Dual Speakers, & MP3 Player, Matte Black

  • 【HF VFO /RF Generator 】It has 10kHz to 220MHz working ranges. 0.5PPM high precise Tcxo clock, the frequency is more accurate. Tuning step of 1Hz, 10Hz, 1kHz, 5kHz, 10kHz and 1MHz..
  • 【VFO for Ham SDR HAM QRP Transceiver】 Used as a local oscillator on Homebrew radio receivers (such as superheterodyne, SDR, direct conversion and Homebrew QRP transceivers) ， a simple RF/clock generator for calibration reference or clock generation，a common 128x64 I2C OLED SSD1306 display and Si5351 module..
  • 【Adjustable】Intermediate frequency (IF) offset (+ or -) is adjustable.The bar graph of the signal meter through the analogs input (ADC).I2C data transmission, only need 2 lines it can be connected to the display, with high stability and accuracy of frequency generation.
  • 【20 Band Presets】Equipped with generator function mode.Initial frequency, end frequency, sweep-frequency-step can be set. 20 band presets (shortcuts) for BCB and HAM frequencies.RX/TX mode selector for Homebrew QRP transceivers..
  • 【 Guarantee】 We providing 100% satisfactory service to every customer to make sure our customer can purchase with confidence. If you have any questions, please contact us, we will reply and improve in time..
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Betus Retro Style Flip Desk Shelf Clock - Classic Mechanical-Digital Display Battery Powered - Home & Office Decor 14 x 5.5 x 3.5 Inches

  • Retro style - A classic minimalistic design inspired by split-flap display seen in old train stations. This clock will catch the eyes of any visitor to your home or office. A great conversation piece!.
  • Premium gift - This clock features stainless steel frame and abs cards to guarantee its durability. Keeps time accurately thanks to the quartz oscillator. It's a great gift to your friends and beloved ones for birthday, chirstmas or any other occasion!.
  • Great decor - This timepiece is the best home and office decoration you will ever find. The mounting hole allows endless possibilities for placement. Huge numbers on the cards makes it easy to read from distance..
  • Specification - Adjust through a single knob next to the minute display. It is advised to set the time one minute ahead to compensate the clock's mechanism. 12-hour am/pm display. 14 inches in length, 3.5 inches in width and 5.5 inches in height. Hole in the back for wall-mounting. Powered by 1 x d battery (not included)..
  • Betus warranty - We stand behind our products! All items sold by us come with a one-year warranty..
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JUNSHUNTONG HF VFO for Ham SDR QRP Transceiver,20K-220MHz RF Generator Superheterodyne Receiver Debugger,Tcxo Clock,S-Meter, 20 Band presets

  • 【HF VFO /RF Generator 】It has 10kHz to 220MHz working ranges. 0.5PPM high precise Tcxo clock, the frequency is more accurate. Tuning step of 1Hz, 10Hz, 1kHz, 5kHz, 10kHz and 1MHz..
  • 【VFO for Ham SDR HAM QRP Transceiver】 Used as a local oscillator on Homebrew radio receivers (such as superheterodyne, SDR, direct conversion and Homebrew QRP transceivers) ， a simple RF/clock generator for calibration reference or clock generation，a common 128x64 I2C OLED SSD1306 display and Si5351 module..
  • 【Adjustable】Intermediate frequency (IF) offset (+ or -) is adjustable.The bar graph of the signal meter through the analogs input (ADC).I2C data transmission, only need 2 lines it can be connected to the display, with high stability and accuracy of frequency generation.
  • 【20 Band Presets】Equipped with generator function mode.Initial frequency, end frequency, sweep-frequency-step can be set. 20 band presets (shortcuts) for BCB and HAM frequencies.RX/TX mode selector for Homebrew QRP transceivers..
  • 【 Guarantee】 We providing 100% satisfactory service to every customer to make sure our customer can purchase with confidence. If you have any questions, please contact us, we will reply and improve in time..
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S.M.S.L SU-9n ES9038PRO XMOS XU208 Bluetooth 5.0 DSD512 RCA/XLR LDAC APTX/HD Decoder High Resolution Audio DAC

  • Use the high-end ES9038PRO D/A chip of the American ESS company: With the use of ES9311, ESS high-performance DAC dedicated power chip ES9311, the power supply noise is as low as 1uVrms, pushing the performance of ES9038PRO to the limit..
  • USB uses XMOS XU-208, a true 32bit USB solution, supports DoP and native DSD PCM up to 768kHz, DSD supports up to DSD512..
  • Low phase noise crystal oscillator and optimized clock processing circuit are used to greatly reduce clock jitter..
  • All input ports support DSD transmission, coaxial, optical fiber support DoP64.
  • Qualcomm's latest Bluetooth chip supports LDAC 24bit/96kHz, APTX/HD,SBC, AAC..
  • The specially designed discrete component linear stabilized power supply and multiple low-noise stabilized power supplies provide low-noise power supply for analog circuits.
  • Equipped with remote control and full-function remote control..
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HiLetgo 5pcs HC-SR04 Ultrasonic Module Distance Sensor

  • The HC-SR04 ultrasonic sensor can send eight 40 kHz and detect whether there is any pulse signal back.If it back, a high level signal will be outputed by IO, and the duration of the signal is the time from sending ultrasonic to returning.
  • HC-SR04 Test Distance : high level time velocity of sound (340M/S) /2.
  • Equipped with anti-reverse pin socket – making the wiring much tighter and convenient.
  • Uses the MCU STC15W104 which has a built-in clock, no need of external crystal oscillator..
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