ReviewsLed Digit Display

FREESEA Submersible Betta Aquatic Heater: 300 Watt Aquarium Heater with Adjustable Temperature Display for Fish Tank | Saltwater | Freshwater

  • ...V, is suitable for use in 35-50 gal betta fish turtle tanks and aquariums. The power cord is 5ft, long enough for use indoors. With 2 strong suction cups at the back side of the betta heater 35 gallon, it's easy to install it on to glass, acrylic or plastic tank..
  • 【 External Controller 】 FREESEA fish heater with display is adjusted by an external controller, which you can mount on the outside edge of the tank. It’s convenient to adjust temperature that range from 63℉ to 94℉. Every time you set the temp, just press the button over and over until it reaches to your desired temp, then stop and wait the digit flashing for 3 times, then setting is done..
  • 【 LED Temperature Display 】 Digital led temperature display shows the real-time temperature and error code on the screen. When the submersible tank heater is heating, there indicator light above the digit is on red. The heater with a built-in thermometer, when temp setting is done, the led will show the water temp all the time..
  • 【 Note 】 Do not operate or leave product plugged in when your water tank is out of water. This betta fish heater 30 gallon is 100% submersible use only, during its heating time, it must be 100% submerged into the water. It is better to install a water pump to help w....
Check Stock

SmartCheck Electric Fence Tester Voltmeter 10,000V - Product of Korea

  • High Precision Peak Voltage Detection/High Sensitivity Design (no need for Earth Lead).
  • Authentic H.V. Probe (no Risk of Electric Shock).
  • Beeper and flashing LED to indicate presence of H.V. pulse.
Check Stock

Night Lights Wireless Speaker Poebell Touch Sensor Bedside Lamp Dimmable Warm Light & Color Changing MP3 Music Player Bluetooth Speaker with Lights for Party Bedroom Outdoor Updated Version

  • Multifunctional - Thpoplete Night Lights Bluetooth speakers were not just a simple product with single function, it can be a bluetooth speaker, a....
  • Digit Alarm Clock - large LCD screen display with eye easy catch digit, time and content are easy to read , Smart alarm clock setting with sleep mode....
  • Bluetooth Spearker & Mp3 Player - Night Lights Bluetooth Speaker equipped with the advanced technology, with 33Ft detective distance, easily to pair.....
  • LED Light - 3 Level brightness adjustable warm LED light (MAX 20 Lumen) with cool touch sensor design on top. LED multi colored lights change colors....
  • Best Gift - Multi functional creative and modern design make it the best gift choice on any occasions, such as used for Yoga music player, in friends....
Check Stock

SEEU. AGAIN 4pcs 8-Digit 7 Segment Module MAX7219 8 Bit Digital Segment Tube LED Display Module Supports Cascade Eight Bit Serial 3 IO Ports 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.
  • MAX7219 digital display control module, you can use it..
  • The module is compatible of 5V / 3.3V microcontroller.
  • Only three IO ports are used to drive the eight digit display..
  • 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 (a program, for 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 do not reversed, it would 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..
Check Stock

ALAMSCN LED Display Module TM1637 0.36'' 4-Digit 7 Segment 4 Bits Red Digital Tube for Arduino Driver Board (Pack of 4)

  • 4-digit LED display module, red highlights, with adjustable LED brightness and clock point, can display decimals, letters, etc..
  • The driver IC is TM1637, compatible with Arduino..
  • The digital display tube can be controlled with only two signal lines, simple and easy to use..
  • Control interface: a total of 4 pins (GND, VCC, DIO, CLK), GND to ground, VCC for the power supply, DIO for the data input and output pins, CLK for the clock signal pin..
  • 4 M2 screw holes, easy to install, locate and combine modules..
Check Stock

4-Digit 7-Segment LED Display Clock Module with TM1637 IC Compatible with Raspberry Pi Arduino (Blue LEDs)

  • [Specifications] This is a basic 4-digit 7-segment Led display clock module, the LEDs are blue..
  • [Compatibility] This clock module uses TM1637 IC, it compatible with Raspberry Pi and Arduino.
  • [Easy to Use] The clock module connected to digital I/O via 2 pins..
  • [Easy to Install] This LED display designed with 4 mounting holes for easy installation..
  • [High Quality] The clock module is made of high quality electronic components, stable and reliable performance.
Check Stock

PA 5.0 Farad digital Power Capacitor

  • 3 Digit Super Bright Blue Digital LED Voltage Display.
  • Audible Warning Tone for Reverse Polarity, Voltage Overload and Low Battery Voltage.8 Farads with digital voltage display.
  • Voltage Measurement Accurate to + / - 0.1 VDC.
  • Automatic Sleep Status When Volume Is Low Or There Is No Voltage Variation Present.
  • Capacitance: 8,000,000, Working Voltage: 16 VDC, Surge Voltage: 24 VDC.
  • Equivalent Series Resistance: 0.015 Ohm @ 100 Hz / 25°C, Capacitance Tolerance: + / - 10%.
  • Dimensions: 9 x 6 x 2, Unit Weight: 5.3 Lbs.
Check Stock

Vitafit Bathroom Weighing Scale and Digital Food Scale 33lb

  • The weight scale has 11 lb-400 lb / 5kg-180kg / 28st capacity, built with 4 high-precision sensors, the body scale delivering results in 0.1lb/0.05kg division..
  • Vitafit Digital food scale has astounding weight capacity 33lbs / 15kg, measured in 0.1oz / 1g exact increments.
  • Choose from multiple units of measurement: g,kg,oz and lb:oz..
  • Both scales has clear LED Display: extra crystal clear LED display in white digit, easy to read weight measurement from any angle and in all light conditions, even in the dark..
  • Accurate Measurements: Speical sensors provide more accurate and consistent measurements and instant readings..
  • Batteries included, Energy-saving auto off function, Low battery and overload indication.
Check Stock

DORHEA 5PCS TM1637 0.56\ 4 Bits Digital LED Display Module with Clock Display 0.36 inch Common Anode Red Digital Tube Board with Cable for Arduino Raspberry Pi DIY Kits

  • The module is a 12 foot with a clock point four common anode tube (0.36 in.) display module driver IC is TM1637 driver IC TM1637, only two signal lines can make the MCU control 4 8 digital tube..
  • Display device is a total of 4 red LED word tube. Digital tube 8 grayscale adjustable. Control interface level can be 5V or 3.3V..
  • 4-digit LED display module with LED brightness adjustable and clock point, can be used to display decimal, letters and so on, suitable for uses in induction cooker, micro-wave oven and small household electrical appliance..
  • Total 4 pins (GND, VCC, DIO, CLK), GND to ground, VCC for the power supply, DIO for the data input and output pins, CLK for the clock signal pin..
  • The Positioning holes in this LED Display Module 4 Bits has 4 M2 screws positioning hole diameter is 2.2mm and the positioning of the module is easy to install with easy to achieve the inter-module combination..
Check Stock

uxcell Common Cathode 10 Pin 1 Bit 7 Segment 1.1 x 0.79 x 0.35 Inch 0.55\ Red LED Display Digital Tube 10pcs

  • Panel Size: 19 x 12.7 x 8mm / 0.75" x 0.5" x 0.31" (L*W*H).
  • Total Size: 19 x 12.7 x 14mm / 0.75" x 0.5" x 0.55" (L*W*H).
  • Package Content: 10 x LED Digital Display Tube.
Check Stock

SWAT-Tourniquet, Orange

  • Measuring Range: -100 to +100 Pascals with 4-20 mA O/P.
  • Display: Integrated 4 Digit Red LED 7 Segment Display 0.5”.
  • Maximum Over Pressure : 2 Times the rated pressure.
  • Construction: Aluminium LM-6 Powder Coated Body with Flush Bezel Fitment.
  • Water Splash Proof Polycarbonate Front Sticker.
  • Sensor Type : Integrated High Speed Differential Pressure Sensor.
  • Alarm Type : Built in Buzzer Alarm for Process Violation Alert.
  • Accessories: Instruction Manual, Adapter, Calibration, Traceability.
  • Application: Hospital, Clean Room, Pharmaceutical, Isolation Room.
Check Stock