Displays – Hamtech Electronics Technologies https://hamtechtechnologies.com Sun, 21 Jun 2026 07:36:43 +0000 en-US hourly 1 https://wordpress.org/?v=7.0.3 https://hamtechtechnologies.com/wp-content/uploads/2025/11/h-100x100.webp Displays – Hamtech Electronics Technologies https://hamtechtechnologies.com 32 32 5641AS 4-digit https://hamtechtechnologies.com/product/5641as-4-digit/ https://hamtechtechnologies.com/product/5641as-4-digit/#respond Thu, 20 Nov 2025 19:51:52 +0000 https://hamtechtechnologies.com/index.php/product/tm1637-4-digit/ 5641AS 4-Digit Display is a compact and bright 7-segment module designed for numeric display applications such as clocks, counters, and voltage meters.]]> The 5641AS 4-Digit 7-Segment Display Module features four high-contrast digits suitable for easy readability in various electronic projects. It can display numbers 0–9 and supports standard 7-segment encoding. This module is widely used in DIY electronics, Arduino, ESP32, Raspberry Pi projects, digital clocks, counters, and measurement devices. The compact design allows easy integration into PCB projects or prototyping boards.

Key Features

  • 4-digit 7-segment display module

  • High-brightness LED segments

  • Displays numbers 0–9

  • Compact design for easy integration

  • Ideal for Arduino, ESP32, Raspberry Pi projects

Variants

  • 5641AS Standard 4-Digit Module

  • 5641AS with common cathode or common anode

Specifications

Feature Details
Display Type 4-Digit 7-Segment
Segment Color Red
Operating Voltage 3.3–5V DC
Current Consumption ~20 mA per segment
Digit Height 0.56 inch
Package DIP 12-pin
Dimensions 50 × 20 × 12 mm

Applications

  • Digital clocks and timers

  • Counters and frequency displays

  • DIY voltmeters and amperemeters

  • Arduino, ESP32, and Raspberry Pi projects

  • Small IoT numeric indicators

Compatible Boards / Circuits

  • Arduino Uno, Mega, Nano

  • ESP32 / ESP8266

  • Raspberry Pi (via GPIO with driver circuit)

  • Any microcontroller with digital I/O

]]> https://hamtechtechnologies.com/product/5641as-4-digit/feed/ 0 MAX7219 Matrix https://hamtechtechnologies.com/product/max7219-matrix/ https://hamtechtechnologies.com/product/max7219-matrix/#respond Thu, 20 Nov 2025 19:51:52 +0000 https://hamtechtechnologies.com/index.php/product/max7219-matrix/ MAX7219 8×8 LED Matrix Module is a compact and chainable display module that allows you to control an 8×8 LED matrix using just a few microcontroller pins, ideal for scrolling text, animations, and numeric displays.]]> The MAX7219 8×8 LED Matrix Module uses the MAX7219 driver IC, which enables easy control of multiple LEDs with minimal wiring. It supports chaining multiple modules together, allowing for larger displays. The module communicates using SPI protocol and is widely used in Arduino, ESP32, and Raspberry Pi projects for scrolling text, animations, numeric counters, and digital signs. Its onboard IC simplifies multiplexing and brightness control, making it perfect for DIY electronics and IoT display projects.

Key Features

  • 8×8 LED matrix display controlled by MAX7219 IC

  • Supports SPI communication (DIN, CLK, CS)

  • Adjustable brightness levels

  • Chainable modules for larger displays

  • Compact, easy-to-use for Arduino, ESP32, and Raspberry Pi

  • Ideal for scrolling text, counters, and animations

Variants

  • Single MAX7219 8×8 Module

  • Chainable multiple-module packs

Specifications

Feature Details
Display Type 8×8 LED Matrix
Driver IC MAX7219
Interface SPI (DIN, CLK, CS)
Operating Voltage 5V DC
Max Current ~320 mA
Dimensions 32 × 32 × 10 mm

Applications

  • Scrolling text displays

  • Digital clocks and counters

  • Numeric and alphanumeric displays

  • Arduino, ESP32, and Raspberry Pi display projects

  • DIY signage and electronic badges

Compatible Boards / Circuits

  • Arduino Uno, Mega, Nano

  • ESP32 / ESP8266

  • Raspberry Pi (via SPI)

  • Any microcontroller supporting SPI communication

]]> https://hamtechtechnologies.com/product/max7219-matrix/feed/ 0 20×4 LCD https://hamtechtechnologies.com/product/20x4-lcd/ https://hamtechtechnologies.com/product/20x4-lcd/#respond Thu, 20 Nov 2025 19:51:51 +0000 https://hamtechtechnologies.com/index.php/product/20x4-lcd/ 20×4 LCD Module is a character display capable of showing 20 characters per line across 4 lines, ideal for Arduino, ESP32, Raspberry Pi, and other microcontroller projects.]]> The 20×4 LCD Module is a popular alphanumeric display module based on the HD44780 controller, capable of displaying 20 characters per line on 4 lines. It supports 4-bit or 8-bit parallel communication and can be interfaced directly with microcontrollers using digital I/O pins or via I2C with an adapter. It is widely used in DIY electronics, IoT, robotics, and embedded systems for displaying text, sensor readings, system status, and menus. Its backlight provides clear visibility in low-light conditions, and it’s compact enough for integration into custom enclosures.

Key Features

  • 20 characters × 4 lines display

  • HD44780 or compatible controller

  • Backlight for better visibility

  • Supports 4-bit and 8-bit parallel interface

  • Compatible with Arduino, ESP32, and Raspberry Pi

  • I2C interface available with adapter for simplified wiring

Variants

  • Standard 20×4 LCD (parallel interface)

  • 20×4 LCD with I2C adapter (simpler connection)

Specifications

Feature Details
Display Type 20×4 Alphanumeric
Controller HD44780 / Compatible
Interface 4-bit / 8-bit parallel (I2C optional)
Operating Voltage 5V DC
Backlight Yes (LED)
Character Size 5 × 8 dots
Dimensions 85 × 50 × 12 mm

Applications

  • Arduino, ESP32, and Raspberry Pi projects

  • Sensor data display (temperature, humidity, etc.)

  • Menu-driven interfaces for embedded systems

  • Robotics and automation feedback screens

  • DIY IoT dashboards and monitoring systems

Compatible Boards / Circuits

  • Arduino Uno, Mega, Nano

  • ESP32 / ESP8266

  • Raspberry Pi (GPIO or I2C)

  • Any microcontroller supporting 4-bit/8-bit or I2C LCD communication

]]> https://hamtechtechnologies.com/product/20x4-lcd/feed/ 0 ASD-230CI-0.56′ 7 Segment Display https://hamtechtechnologies.com/product/asd-230ci-2-3-7-segment-display/ https://hamtechtechnologies.com/product/asd-230ci-2-3-7-segment-display/#respond Thu, 20 Nov 2025 19:51:51 +0000 https://hamtechtechnologies.com/index.php/product/7-segment-display/ The ASD-230CI 0.56” Seven Segment Display is a bold, high-brightness numerical display module designed for projects requiring large and easily readable digits. With a character height of 0.56 inches, it is suitable for viewing at long distances, making it perfect for scoreboard displays, timers, measurement equipment, and industrial instrumentation.

Each segment is built using high-efficiency LEDs, providing excellent clarity and long operational life. The display is easy to interface using common cathode or common anode configurations (depending on variant). It can be driven using transistor arrays like ULN2803, current-limiting resistors, or display driver ICs such as MAX7219, TM1637, or CD4511.

The ASD-230CI is ideal for both hobbyist and professional applications requiring a robust and readable numeric display.

Key Features

  • Large 0.56” digit height for long-distance visibility

  • High-brightness LED segments

  • Long-life, energy-efficient LED technology

  • Easy to interface with microcontrollers (Arduino, ESP32, STM32, etc.)

  • Available in common anode or common cathode configurations

  • Works with display driver ICs (MAX7219, ULN2803, CD4511)

  • Suitable for indoor display panels and control systems

Specifications

Feature Details
Model ASD-230CI
Display Type Seven Segment LED
Digit Height 0.56 inches
Colors Available Red (standard), others depending on stock
Configuration Common Anode / Common Cathode
Operating Voltage Typically 1.8–2.2V per segment (depends on color)
Current per Segment 10–20mA
Number of Segments 7 segments + decimal point
Viewing Distance Up to 10 meters
Operating Temperature −20°C to +70°C
Dimensions Approx. 55mm × 35mm × 10mm

Applications

  • Digital clocks and timers

  • Scoreboards

  • Voltage/current display panels

  • Industrial counters

  • Measurement and calibration devices

  • Weight scale displays

  • Public information boards

  • DIY electronics projects

]]> https://hamtechtechnologies.com/product/asd-230ci-2-3-7-segment-display/feed/ 0 16×2 LCD https://hamtechtechnologies.com/product/16x2-lcd/ https://hamtechtechnologies.com/product/16x2-lcd/#respond Thu, 20 Nov 2025 19:51:50 +0000 https://hamtechtechnologies.com/index.php/product/16x2-lcd/ 16×2 LCD is a classic alphanumeric display module capable of showing 16 characters per line across 2 lines, widely used in Arduino, Raspberry Pi, and microcontroller projects for text and simple interface outputs.]]> The 16×2 LCD module uses the HD44780 driver (or compatible) and provides a simple way to display text and basic symbols. It supports both 4-bit and 8-bit parallel communication and can be interfaced with microcontrollers via direct GPIO or using an I2C backpack for simplified wiring. Ideal for menus, sensor readings, and status messages, it’s a staple in embedded systems and IoT projects.

Key Features

  • Displays 16 characters per line, 2 lines

  • HD44780 or compatible driver

  • Supports 4-bit and 8-bit modes

  • Backlight LED (usually adjustable)

  • Easy integration with Arduino, ESP32, Raspberry Pi

Variants

  • Standard 16×2 LCD (parallel interface)

  • 16×2 LCD with I2C Backpack (reduces wiring)

Specifications

Feature Details
Display Size 16×2 characters
Driver IC HD44780 / compatible
Interface 4-bit / 8-bit parallel, optional I2C
Operating Voltage 5V
Backlight LED
Dimensions 80 × 36 × 12 mm (typical)

Applications

  • Text-based user interfaces

  • IoT dashboards

  • Sensor data display

  • Robotics status panels

  • Home automation displays

Compatible Boards

  • Arduino Uno, Mega, Nano

  • ESP32 / ESP8266

  • Raspberry Pi (via I2C or GPIO)

]]> https://hamtechtechnologies.com/product/16x2-lcd/feed/ 0 2.4 TFT Touch https://hamtechtechnologies.com/product/2-4-tft-touch/ https://hamtechtechnologies.com/product/2-4-tft-touch/#respond Thu, 20 Nov 2025 19:51:49 +0000 https://hamtechtechnologies.com/index.php/product/2-4-tft-touch/ The 2.4” TFT Touch Screen Display is a compact and vibrant LCD module designed for Arduino and similar microcontroller platforms. It is built around the ILI9341 driver, providing 240×320 resolution with bright colors and smooth graphics rendering.

The integrated 4-wire resistive touch panel allows creation of interactive user interfaces such as buttons, sliders, menus, and control panels. It communicates through SPI or 8-bit parallel interface, making it highly compatible with many Arduino boards including UNO, Mega, Leonardo, and Due.

This display is widely used in handheld devices, dashboards, control panels, IoT systems, and learning projects due to its stability, clarity, and strong community library support (Adafruit GFX, TFT_eSPI, MCUFRIEND, etc.).

Key Features

  • 2.4-inch TFT LCD with resistive touch

  • 240×320 high-resolution color display

  • ILI9341 driver for stable and fast refresh performance

  • Supports SPI and 8-bit interface

  • Full graphical support (text, images, shapes)

  • Backlight included

  • Ideal for interactive Arduino projects

Specifications

Feature Details
Display Size 2.4 inch
Driver IC ILI9341
Resolution 240 × 320 pixels
Display Type TFT LCD
Touch Screen 4-wire resistive
Interface SPI / 8-bit parallel
Operating Voltage 3.3V (logic)
Backlight LED
Dimensions ~85 × 55 mm
Supported Libraries Adafruit GFX, MCUFRIEND, TFT_eSPI

Applications

  • Arduino GUIs and HMIs

  • DIY control panels

  • Smart home interfaces

  • IoT dashboards

  • Sensor data visualization

  • Custom handheld devices

  • Robotics displays

  • Touch-based menu systems

]]> https://hamtechtechnologies.com/product/2-4-tft-touch/feed/ 0 2.8 ILI9341 Display https://hamtechtechnologies.com/product/2-8-ili9341-display/ https://hamtechtechnologies.com/product/2-8-ili9341-display/#respond Thu, 20 Nov 2025 19:51:49 +0000 https://hamtechtechnologies.com/index.php/product/2-8-ili9341-display/ The 2.4-inch TFT Touch Screen Display is a compact, full-color LCD module designed for microcontroller projects requiring rich user interfaces. It features a 320×240 (QVGA) resolution, driven by the ILI9341 display controller, delivering vibrant colors and sharp graphics.
This module also includes a resistive touch panel handled by the XPT2046 touch controller, making it a complete solution for dashboards, GUIs, menus, and interactive embedded systems.

Compatible with Arduino Mega, Arduino UNO (SPI mode), ESP32, STM32, and more. It supports text rendering, bitmap graphics, UI buttons, and real-time data visualization.

Key Features

  • 2.4-inch TFT LCD display

  • 320×240 resolution (QVGA)

  • ILI9341 display driver (SPI / parallel)

  • XPT2046 resistive touch controller

  • 65K full-color support

  • Control via SPI for microcontrollers

  • Wide support for GUI libraries (TFT_eSPI, Adafruit GFX)

Specifications

Feature Details
Size 2.4 inches
Resolution 320×240
Display Driver ILI9341
Touch Controller XPT2046
Interface SPI / Parallel
Colors 65K
Operating Voltage 3.3V
Module Dimensions 71 × 52 × 8 mm

Applications

  • Touchscreen dashboards

  • IoT user interfaces

  • Embedded menu screens

  • Industrial controls

  • DIY consoles

  • ESP32 GUIs

]]> https://hamtechtechnologies.com/product/2-8-ili9341-display/feed/ 0 1.8 TFT ST7735 https://hamtechtechnologies.com/product/1-8-tft-st7735/ https://hamtechtechnologies.com/product/1-8-tft-st7735/#respond Thu, 20 Nov 2025 19:51:48 +0000 https://hamtechtechnologies.com/index.php/product/1-8-tft-st7735/ 1.8” TFT ST7735 is a compact, colorful TFT display module with SPI interface, ideal for Arduino, ESP32, Raspberry Pi, and other microcontroller projects requiring graphical output.]]> The 1.8” TFT ST7735 is a vibrant TFT display module with 128×160 resolution, capable of displaying full-color graphics. It uses the ST7735 driver IC and communicates via SPI, making it suitable for embedded devices, IoT dashboards, sensor data visualization, and small graphical interfaces. Its compact size makes it perfect for handheld and portable projects.

Key Features

  • 128 × 160 resolution

  • 18-bit color support (262K colors)

  • SPI interface for fast communication

  • Backlight control

  • Compact 1.8-inch size

Variants

  • ST7735 Standard Module (with backlight)

  • ST7735 Mini Module (for breadboard prototyping)

Specifications

Feature Details
Display Size 1.8 inches
Resolution 128 × 160 pixels
Driver IC ST7735
Interface SPI
Color Depth 18-bit (262K colors)
Operating Voltage 3.3–5V
Backlight LED

Applications

  • IoT dashboards

  • Embedded GUI interfaces

  • Sensor data visualization

  • Portable gaming and handheld devices

  • Robotics and control panels

Compatible Boards

  • Arduino (Uno, Mega, Nano)

  • ESP32 / ESP8266

  • Raspberry Pi (via SPI)

]]> https://hamtechtechnologies.com/product/1-8-tft-st7735/feed/ 0 0.96 OLED 128×32- Blue https://hamtechtechnologies.com/product/0-96-oled-128x32-blue/ https://hamtechtechnologies.com/product/0-96-oled-128x32-blue/#respond Thu, 20 Nov 2025 19:51:47 +0000 https://hamtechtechnologies.com/index.php/product/0-96-oled/ The 128×32 Blue OLED Display offers sharp contrast, low power consumption, and excellent readability. With I²C communication, it connects easily to Arduino, ESP32, Raspberry Pi, and STM32.
This mini display is perfect for small dashboards, sensor readouts, battery monitors, and compact electronics.

Key Features

  • 128×32 pixel resolution

  • Blue OLED for high contrast

  • I²C interface

  • Low power consumption

  • Wide viewing angle

  • Supports Arduino, ESP32, Raspberry Pi

Specifications

Feature Details
Resolution 128×32
Color Blue
Interface I²C
Voltage 3.3V–5V
Size 0.91 inch (typical)
Technology OLED

Applications

  • Sensor data display

  • IoT devices

  • Battery monitors

  • Compact UIs

  • Wearable electronics

]]> https://hamtechtechnologies.com/product/0-96-oled-128x32-blue/feed/ 0 1.3″ OLED Display Module – 128×64 Resolution (I2C/SPI Interface) https://hamtechtechnologies.com/product/1-3-oled-display-module/ https://hamtechtechnologies.com/product/1-3-oled-display-module/#respond Thu, 20 Nov 2025 19:51:47 +0000 https://hamtechtechnologies.com/index.php/product/1-3-oled/ The 1.3-inch OLED Display Module (128×64 resolution) is a crisp, bright, and power-efficient screen designed for microcontroller projects that require clear graphical output in a compact footprint. Unlike LCDs, OLEDs offer deep contrast, wide visibility angles, and require no backlight — giving you excellent clarity even in low-light environments.

This module supports both I2C and SPI, making it extremely flexible when integrating with ESP32, Arduino, Raspberry Pi, STM32, or any other microcontroller. Its SSD1306 or SH1106 driver (depending on version) is widely supported by popular libraries, letting you draw text, icons, animations, sensor readings, gauges, and UI elements with ease.

Ideal for smart meters, IoT dashboards, portable devices, wearables, and menu-driven interfaces.

Key Features

  • 1.3″ active OLED screen

  • 128×64 pixel resolution

  • Ultra-high contrast & wide viewing angle

  • I2C & SPI communication support

  • Very low power consumption

  • Compatible with Arduino, Raspberry Pi, ESP8266, ESP32, STM32

  • No backlight required

  • Long display lifespan

Applications

  • IoT dashboards

  • Sensor readout screens

  • Portable handheld devices

  • Battery-powered wearables

  • Smart meters and instrumentation

  • Mini user interface systems

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