Reviews Led Numeric Displays 7 segment

4Pcs MAX7219 8 Digit 7 Segment LED Tube Display Control Module for MCU/51/AVR/STM32

  • MAX7219 is an integrated serial input / output common-cathode display driver, which connects your microprocessor to a 7-segment digital LED display with 8 digits.This module is compatible with 5V and 3.3V microcontrollers, and you you can use it.
  • Material: PCB+Electronic components, LED color: Red.
  • Only three IO ports are used to drive the eight digit display. MAX7219 supports flicker free displays as well as cascading displays. PCV board four corners of the fixed copper stud, which can effectively precent short circuit accidents happen..
  • Wiring instructions (take the provided program as an example, you can pick any IO port definition can be modified in the program): VCC to 5V, GND to GND, DIN to P00, CLK to P02, CS to P01.
  • Digital tube is 0.36 inch 4-bit integrated cathode digital tube.
  • Note: VCC and GND should not be connected reversed, so as not to burn the chip.
  • 51 MCU P0 port requires pull-up resistor, if your device does not have a pull-up resistor can be connected to other ports data lines..
  • A convenient four-wire serial interface can connect all common microprocessor. Each data can be addressed in the update without rewriting all displays. MAX7219 also allows the user to select each data encoding or no coding..
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Pyle PS900 Audio/Video AC Power Conditioner, Voltage Filter, Noise/Interference Elimination, Processor Sequencer with 3-Prong Outlet Plugs

  • Supplies Clean Filtered AC Power: 2-Stage High Insert Dissipation - AC Voltage, Ambient Temperature & Step Time Display.
  • Micro-Controller Ensures High Level Precise Timing - Built-in 2 Stage EMI Filter for Each Output (On Rear Panel).
  • Able to Series Link More than 100 Units with Automatic Master Unit Display - Selectable Step Time and Real Time Display.
  • Output Cut Switch for All Nine Channels - Monitors AC Voltage in Real Time - Display Shows Wiring and Ground Status.
  • LED Displays: Output Cut, Master, Bypass, Power, AC Voltage and Temperature - Step Time Display in 7 Segment LED.
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Alzatex Presentation Timer with Red-Yellow-Green Stop Lights

  • Count Down time remaining timer Green, yellow, and red warning indicators have preprogrammed settings to match Toastmaster requirements or may be programmed by the user.
  • Beeper provides audible sound when the timer reaches zero. Built in time of day clock 4-digit LED 7-segment display with 0.56" (14.22mm) high digits.
  • Connects 2 or more TimeKeepers together where one becomes the timer and the others become remote displays. Count Down timer settable to minutes 0 to 99 minutes. Two serial data RJ11 connectors for accessories..
  • Ruggedized aluminum construction. Display Construction: ABS plastic enclosure, black finish. Timer Construction: Metal enclosure with black powder-coated finish..
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Furman PL-PLUS C 15 Amp Power Conditioner

  • Furman's exclusive SMP technology provides the highest level of surge & spike protection available..
  • Isolated outlet banks minimize inter-component interference and noise contamination..
  • Segmented LED voltmeter monitors and displays incoming line voltage..
  • Advanced Level Power Conditioning, SMP, EVS, LiFT, 9 Outlets, LED Voltmeter, Pullout LED Lights, Isolated Outlet Banks.
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Jialan 48V Battery Fuel Gauge Indicator,for Golf Cart,EZGO, Yamaha, Fork Lifts,Club Car,Floor Care Equipment LED Battery Indicator Meter Gauge

  • 【48V Battery Fuel Gauge】This device is only workable on lead-acid battery but not Trojian type.LED battery indicator available in 48V volt DC acid battery.
  • 【LED Battery Indicator Meter】10 segment LED Bar Graph display,Resolution: 10% per segment：3 color LED display,different light displays different battery level visually.
  • LED flash for low charge&high charge warning.
  • 【Note】The second LED from the left flashes as a warning that the batteries voltage has been discharged to 80% of their capacity.It is strongly recommended to recharge the batteries when you get to the 3rd Yellow LED, this is a safety precaution to avoid dead batteries.
  • 【 Installation Notes】Make sure your "C" terminal is either connected to the Battery "+" or a Key switch, Meter will scan from full to empty then shuts off .Meter will stay full position while first is connected with batteries and indicate the actual battery level after 155 seconds..
  • 【 Battery Indicator】LED battery indicator battery fuel gauge battery charge gauge for DC powered equipment such as fork lifts, golf carts, floor care equipment, and any other battery powered.
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Arachnid Cricket Pro 670 Tournament-Quality Dartboard with 35 Games and 318 Variations 6 Cricket Games Black

  • Tournament-quality electronic dartboard - regulation 15.5" target area.
  • 35 games with 318 variations (six cricket games).
  • NylonTough segments improve durability and playability.
  • Micro-thin segment dividers dramatically reduce bounce-outs.
  • Up to eight players with two jumbo LED X/O cricket displays. The ARACHNID trademark is a registered trademark owned by Arachnid 360 LLC and used by Escalade Sports pursuant to the license..
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Electric Razor for Men 5 in 1 Rotary Shaver Cordless Hair Clippers Nose Trimmer Electric Shaver Wet&Dry Waterproof USB Fast Charging

  • 5 IN 1 Men’s electrical shaver equipped with kinds of cutter,including a beard razor ,sideburns /hair and also with nose trimmer,facial cleansing brush.( NO Charge adapter ).
  • The 3D rotary shaver with precision blades of upgraded double-blade technique automatically adapts to the contours of your face, neck and jaw. Rounded edges move smoothly over skin for a protective shave..
  • Three LED indicators: (1) Numeric indicator displays battery level.
  • (2) plug/battery sign shows charging status.
  • (3) tap sign reminds you to wash the shaver..
  • WATERPROOF-IPX7. Fit for use in either wet or dry circumstances. It is washable, but do not keep in water for a long period..
  • USB Quick-Charge/Cordless– Chargeable lithium battery, 90 minutes rapid charge. With LED Charge Indicator, it can remind you about the battery capacity..
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48V Battery Indicator, 48V Battery Meter, 48V Battery Fuel Gauge Indicator, 48V Battery Indicator, 48v Battery Gauge for Golf Cart Club Car EZGO Yamaha 48 Volt LED Battery Gauge Meter

  • The 48v battery indicator for golf cart, RL-BI003 led battery indicator is suitable for 48V volt DC Lead-Acid Batteries..
  • The 48V battery meter is compatible with Golf Cart Club Car EZGO Yamaha 48 Volt LED Battery Gauge Meter, Works with 48V Lead-Acid Batteries in Golf Carts, Forklifts, Trucks, Scooters and More..
  • The 48V Battery Indicator, battery meter for golf cart 48 is made of high quality ABS material, waterproof, heat resistant, reliable performance. Displayed with 10 segment LED bar graph (1 Red, 2 Yellow and 7 Green LED), different light displays different battery level..
  • This battery indicator 48v is specifically designed for battery powered equipment to monitor the charge status of your batteries. Only 1 LED will be illuminated at a time moving from right to left in sequence as the batteries voltage drops..
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Furman PL-PRO C 20 Amp Advanced Level Power Conditioner

  • 9 outlets with dual retractable LED lights. Segmented LED voltmeter monitors and displays incoming line voltage.
  • Furman's exclusive SMP technology provides the highest level of surge & spike protection available.
  • Isolated outlet banks minimize inter-component interference and noise contamination.
  • Perfect for instrument rigs, home recording, DJ equipment, pro audio rigs and home entertainment systems.
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AEM Electronics 3 Gauges Combo Set UEGO 4.9LSU WideBand Air/Fuel ratio + Turbo Tru-Boost Controller + Oil Pressure

  • ... Gauge Series: Digital Gauge Type: Boost pressure Gauge Range: 0-100 psi Shape: Round Gauge Size (in): 2 1/16 in. diameter Gauge Size (mm): 52.39mm diameter Sweep: Digital numeric Sending Unit: Electrical Gauge Face Color: Black/White Bezel Finish: Black/Silver OEM Replacement: No Sending Unit Included: Yes Notes: Displays digital LED numbers and sweeping LED "needle". This gauge also includes a white face and a silver bezel that can be interchanged..
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