Top Digit Led Display

ALAMSCN MAX7219 Dot Matrix Module 32x8 4 in 1 LED Display Modules for Arduino Raspberry Pi Microcontroller with 5Pin Wires Red (Pack of 2)

  • The MAX7219 is compact, serial input/output common-cathode display drivers that interface microprocessors (µPs) to 7-segment numeric LED displays of up to 8 digits, bar-graph displays, or 64 individual LEDs..
  • Included on-chip are a BCD code-B decoder, multiplex scan circuitry, segment and digit drivers, and an 8x8 static RAM that stores each digit..
  • Only one external resistor is required to set the segment current for all LEDs. A convenient 3-wire serial interface connects to all common µPs. Individual digits may be addressed and updated without rewriting the entire display..
  • The MAX7219 also allow the user to select code B decoding or no-decode for each digit..
  • The devices include a 150µA low-power shutdown mode, analog and digital brightness control, a scan limit register that allows the user to display from 1 to 8 digits, and a test mode that forces all LEDs on..
Check Stock

Key Display for AVR 8-Bit Digital LED Tube 8-Bit TM1638 Module

  • DRIVER IC: The module driver IC is for AIP650 (compatible for TM650), as well as supports multiple display characters..
  • 4 DIGIT 7 SEGMENT: The digital tube display module is designed for 4 digit 7 segment, with stable and reliable performance..
  • CONTROL INTERFACE: With 4 pins, SDA is bidirectional data line, SCL is clock line, GND is for ground line, and VCC is power supply..
  • COMPACT STRUCTURE: The LED digital tube module is exquisite and compact, which can be flexibly used in a variety of situations..
  • WIDE APPLICATION: This module is suitable for 3 B+ 4, for DIY electronic devices, toy cars and instrumentation etc..
Check Stock

DC Power Supply Variable, 30V 10A Bench Power Supply with 4-Digits LED Display, USB Interface, Adjustable Regulated Switching Power Supply with Encoder Adjustment Knob, Output Enable/Disable Button

  • 【Overcurrent Protection】When the OCP function is turned on, if the load equipment is short-circuited during operation, the adjustable power supply will automatically stop output and send a buzzer to alert the user. Protect the adjustable power supply and load from damage..
  • 【Precise 4-digit LED Display】The variable power supply with a high-definition 4-digit display, which can display three values of voltage, current and power at the same time. The data is accurate to 0.01V and 0.001A. The bright white digital display helps you to operate as usual in the dark, and you can adjust the brightness of the screen as needed..
  • 【Compact and Lightweight】The measures of the variable dc power supply is only 7.51*3.56*5.81inch and the weight is only 2.47 pounds, which saves more space on your workbench and is convenient for you to carry when you need it. NANKADF dc power supply is the best choice for beginners or professional electricians..
Check Stock

Galaxy DX-959B Mobile CB Radio with Blue Frequency and Channel Digits and Backlit StarLite Faceplate

  • Five-digit frequency counter with large blue digits, two-digit channel display with larger blue digits. Large Galaxy meter with 4 scales: "S" Meter indicates up to 60 dB over S9. Modulation Percentage Scale for use on AM. Power Scale Calibrated for AM and SSB. SWR Scale.
  • The Galaxy StarLite faceplate features back lighting of the white faceplate lettering in blue or red color back lighting. All faceplate lettering is white during daylight. The picture shows how the color back lighting turns the lettering blue or red. Frequency and Channel LED digits are always blue - day or night.
  • Large, easy-to-read meter with scales for power output, modulation, SWR and incoming signal.
  • Variable power output control, variable talkback circuit with on/off switch, automatic SWR circuit and an SWR alert LED, Roger Beep with on/off switch.
  • Variable dimmer control with push switch to turn off the meter lamp, display digits and Star Lite back lighting, 3-position tone switch for receive, proprietary Galaxy Noise Filter (GNF) Circuit reduces noise to aid in the recovery of weak SSB signals.
Check Stock

Metra GM Speaker Harness (72-4568) (72-4568)

  • BATTERY VOLTAGE MONITOR: The Voltmeter will Flash Constantly When the Voltage is Lower than 11.5V or Higher than 19.8V..
  • EASY TO INSTALL: Only Two Wires, The Red Connects to Positive and Black Connects to Negative. No separate power supply is required.
  • Mini size with 3-digit LED Digital Display. Simple connection, easy to use, and waterproof..
  • DC 12V MOTORCYCLE VOLTMETER: It is perfect to Monitor the Condition of the Battery, You can Use It on Your Motorcycle, Car, Trailer, and Boat Marine Vehicle Truck ATV UTV Car Camper Caravan, etc..
  • WIDE APPLICATION: Widely used for cars, motorcycles, bikes, substation automation, distribution automation, test equipment, voltage regulator, and so on..
  • LARGE LED DISPLAY:Operation voltage: DC 8 – 16 Volt.
  • Display mode: 0.56 inch digital tube. The display shows L.L.L. to warn when the voltage is below 8 Volt.
  • the Display shows H.H.H. when the voltage is over 16 Volt..
Check Stock

4-20mA Generator, DROK Adjustable Signal Generator, DC 0-10V 0 4-20mA Current Voltage Analog Simulator for Value Adjusting PLC Panel LED Testing

  • AMP & VOLT DUAL SIGNAL GENERATOR: Multifunctional DROK signal generator kit is able to generate ampere & voltage by one module, which generate 0/4 – 20mA current signal and 0-10V voltage signal just by rotating a multi-cycle precise potentiometer, simple and handy..
  • CLEAR LED DISPLAY: Our 4-20ma signal generator has bright and clear 3-digit LED digital display screen, which can be used to monitor the output current and voltage. You just need to push the switch below the monitor easy to switch the display..
  • AMP & VOLT DISPLAY CALIBRATION: There are current and voltage display calibrating potentiometer on the back of the module. If the display is accurate, you can calibrate the display value of current voltage by yourself..
  • WIDE APPLICATION: Our signal adapter can be used as signal generator, valve adjustment, inverter control, PLC debugging, panel debugging, LED testing, simulating the output of transmitter..
Check Stock

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