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..
Check StockGustard 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..
Check StockZYAMY 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..
Check StockfyeTa 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..
Check StockWater 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..
Check StockTecsun 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..
Check StockBetus 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..
Check StockJUNSHUNTONG 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..
Check StockS.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..
Check StockHiLetgo 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..
Check StockGustard GUSTARD X18 DAC MQA ES9038 PRO Bluetooth 5.0 XU216 Processor LDAC HD PCM768kHz DSD512 High-Performance Audio Decoder (Black), DAC-X18
- ESS9038 PRO chip:ES9038PRO from ESS, with independent power and grounding, provides the best sound..
- CPLD Complex Programmable Logic Device :self-constructed digital integrated circuits with logic functions, clock management, 2nd PLL, digital shaping, DOP decoder, PCM /DSD depop switch and other exclusive technologies have laid a solid foundation for excellent sound quality.
- ACCUSILICON Femtosecond crystal oscillator AS318-8:Two AS318-8 Hi-End audio oscillators from Accusilicon, with jitter in fs level..
- XU216 from XMOS supports up to PCM768 & DSD512.Support APTX LL, APTX HD and LDAC (up to 24Bit/96KHz). Bluetooth can be disabled in menu..
Check StockEarthQuaker Devices Hoof Reaper Double Fuzz Guitar Effects Pedal with Octave Up
- Featuring a modulated monophonic PLL circuit, the Data Corrupter turns your electric guitar into a three-voice synth. The master oscillator creates harmonies up to three octaves above. A vivacious square wave delivers wild fuzz tone..
- Vibrato mode adds frequency modulation for added animation.Square-wave voice creates aggressive fuzz effects..
- Master Oscillator voice can play one two or three octaves above your guitar's root note.
- Silent relay-based switching with True Bypass operation.All-analog signal path.The Frequency Modulator applies pitch-bend modulation to the Master Oscillator..
Check StockSVANTTO Time Clock for Employees Small Business with Finger Scan, RFID, and PIN Punching in One, Offline Intelligent Time Card Machine, [Set-and-Forget] NO Monthly Fee
- 【Upgraded Performance】SVANTTO biometric technology time clock takes 32-bit ARM high-speed processor with powerful performance and 0 delay response. The accurate fingerprint recognition in less than 0.8 seconds and voice prompt to make your employee punch into work faster. Built-in precision time crystal oscillator with power-off protection function, no worry about your attendance date security..
- 【Worry-Free Shopping】SVANTTO provides detailed operating instructions and function settings, read the user manual before use you will get it quickly. Every SVANTTO product has lifetime protection, if you have any problem please feel free to let us know. SVANTTO has a professional and timely English tech support team to solve your problems within 24..
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