Seven LEDs arranged in a rectangular fashion as shown. Each of the seven LEDs is called a segment.
There are two types of LED 7-segment display called Common Cathode (CC) and Common Anode (CA).
The Common Cathode (CC) – In the common cathode display, all the cathode ..
This is DC-DC 4.5-40V To 5V 2A USB Charger Step down Converter Voltmeter Module, a combo of 2A Charger and voltage checker.The module converts input of 4.5-40V into a very stable 5V 2A output. The device features a USB port through which you can charge your phone. While charging your device please c..
The MAX7219 is an integrated serial input / output common-cathode display driver, it is connected to a microprocessor with 8-digit 7-segment digital LED display can also be connected to the bar graph display or 64 separate LED. On B BCD encoder including an on-chip, multi-channel scanning loop word ..
The I2C 1602 LCD module is a 2 line by 16 character display interfaced to an I2C daughter board. The I2C interface only requires 2 data connections, +5 VDC and GND
to operate.
Specifications:
I2C Address Range 0x20 to 0x27 (Default=0x27, addressable)
Operating Voltage 5 Vdc
Co..
This is the LM3914 Dot/Bar display analog-controlled LED driver that uses an alinear output scale. With this driver all it takes is a single, analog signal to drive a string of 10+ LEDs, which can be configured into either bar mode (where all LEDs below a certain point turn on) or dot mode (with onl..
Features:
A single module can drive a 8x8 dot matrix common cathode
Operating voltage: 5V
Dimensions: length 12.8 cm X 12.8 cm wide and 1.3 cm high X
Fixing screws with 64 holes with a diameter 3mm
Module with input and output interfaces, support for cascading multiple modules..
Serial I2C LCD display adapter converts parallel based 16 x 2 character LCD display into a serial i2C LCD that can be controlled through just 2 wires. Adapter uses PCF8574 chip that serves as I/O expander that communicates with Arduino or any other microcontroller by using I2C protocol. A total of 8..
TM1637 is a chip for driving 7-segment displays. There are several modules using this chip to form a 4 digit numerical display module. TM1637 has also keyboard input capability, but is not used in this module.
Key Features
Ease to use.
Ease of multiplexing.
Can use as a 4 digit display unit.
..
TM1638 key display module has 8 digit seven segment display, 8 keys & 8 LEDs. Using TM1638 Chip control everything using just 3 microcontroller pins. The advantage is only three IO ports will be occupied when it drives. Moreover the controller is not busy all the time as no scanning for seven se..