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JHD 128x64 Graphic LCD Module - Blue Backlight

Rating:
89%
LCD Displays
₹849.00 ₹ 719.49 + 129.51 GST
In stock
SKU
PRO331

1-3 Days Express Shipping in India Available

Contact us for Higher Quantities

High-resolution 128x64 Graphic LCD from JHD with a crisp blue backlight and white pixels. Perfect for displaying complex graphics, icons, and multi-sized text in professional DIY projects.

The JHD 128x64 Graphic LCD is the ultimate upgrade for your human-machine interface (HMI) projects. Whether you are building a weather station with custom icons or a handheld diagnostic tool, this display provides a high-contrast canvas with a professional blue backlight. Being Probots™ Lab Verified ????, we have tested this specific JHD module to ensure pixel-perfect clarity and consistent backlight luminance across the entire panel, ensuring your interface looks professional and remains highly readable in various lighting conditions.

Unlike generic 12864 displays found in local markets that often use recycled or "B-grade" silicon, our modules benefit from Probots™ Source-Trace . We source directly from verified Tier-1 factory lines to ensure you receive genuine JHD hardware that meets industrial tolerances. This ensures that the contrast ratio remains stable even during long operating hours, and the internal controller handles data commands without the flickering or ghosting common in lower-quality clones. This display is also Probots™ Logic-Safe , providing the reliability needed for integration with both 5V systems like Arduino and 3.3V systems like ESP32 with the correct level shifting.

To ensure your development process is as smooth as possible, this product includes access to Probots™ Tech-Bridge . This means you aren't just buying a component; you are gaining access to a local team of engineers in Bangalore who understand the nuances of the ST7920 controller and can provide verified wiring guides and library recommendations. We prioritize consistent stocking of this specific revision, making it Probots™ LifeCycle Ready, which is essential for institutional buyers or engineers designing products intended for long-term production runs where part consistency is critical.

For final implementation, the module supports both high-speed 8-bit parallel communication and a space-saving 3-wire SPI serial interface. This flexibility allows you to save precious I/O pins on smaller microcontrollers or maximize refresh rates for dynamic graphs on more powerful processors. With a wide operating temperature range of -20°C to +70°C and a robust physical build, the JHD 128x64 Graphic LCD is engineered to move beyond the breadboard and into finished, reliable electronics.

Specifications:

  • Resolution: 128 x 64 Pixels
  • Controller: JHD12864 series
  • Backlight: Blue LED with White Pixels
  • Operating Voltage: 5V DC
  • Interface: Parallel (8-bit) or Serial (SPI) mode support
  • Viewing Area: Approx. 72mm x 40mm
  • Module Dimension: 93mm x 70mm x 13mm
  • Operating Temperature: -20°C to +70°C

Key Applications & Projects

  • Industrial Control Panels: Display real-time sensor graphs and system status.
  • Audio Visualizers: Build a custom music spectrum analyzer.
  • Retro Gaming: Create a handheld console for monochrome classics like Pong or Snake.
  • Weather Stations: Display temperature trends and weather icons simultaneously.

Project Evolution 

  • Past Projects (Prerequisites): If you have mastered the basic 16x2 Character LCD and want more creative freedom, this is your next step.
  • Feature Upgrade: This product unlocks the ability to draw shapes (circles, lines), render custom bitmaps/logos, and use multiple font sizes in a single interface.
  • Effort/Requirements: Intermediate. You will need a basic understanding of SPI or Parallel wiring and the "U8g2" or "U8glib" libraries.

Virtual Technician & Wiring

Safety Warning: Ensure the backlight current-limiting resistor is respected to avoid burnout.

JHD 12864 LCD Pinout Table

Pin  No Symbol Level Description
1 VSS 0V Ground
2 VDD 5V Power Supply for Logic (+5V)
3 VO -- Contrast Adjustment (Via 10K Potentiometer)
4 RS (CS) H/L Parallel: Register Select; SPI: Chip Select
5 R/W (SID) H/L Parallel: Read/Write; SPI: Serial Data Input
6 E (SCLK) H/L Parallel: Enable Signal; SPI: Serial Clock
7-14 DB0-DB7 H/L Data Bus lines (Used in Parallel mode only)
15 PSB H/L Interface Select: H=Parallel, L=Serial (SPI)
16 NC -- No Connection
17 /RST L Reset Signal (Active Low)
18 VOUT -- LCD Negative Voltage Output (For contrast)
19 BLA (LED+) 5V Backlight Anode (+5V)
20 BLK (LED-) 0V Backlight Cathode (GND)

 

Package Includes:
1 X JHD 128x64 Graphic LCD Module - Blue Backlight
 

Frequently Asked Questions (FAQ)

  1. Can I use this with a 3.3V ESP32?
    Yes, but use level shifters for logic pins and power the VCC with 5V.
  2. What library is best for Arduino?
    We highly recommend the U8g2 library.
  3. How do I switch between Serial and Parallel mode?
    This is controlled by the PSB pin (High for Parallel, Low for Serial).
  4. Does it support Chinese or special characters?
    Yes, the ST7920 controller has built-in fonts for multiple languages.
  5. Why is my screen blank?
    Check the 10K potentiometer connected to the VO/VEE pin; contrast is likely too low.
  6. What is the current consumption?
    Approximately 100mA with the backlight at full brightness.
  7. Can I dim the backlight?
    Yes, by using a PWM signal on the LED+ pin.
  8. What is the pixel pitch?
    Typically 0.48mm x 0.48mm.
  9. Is it sunlight readable?
    It is visible in daylight, but best suited for indoor or shaded environments.
  10. Does it come with headers soldered?
    No, standard 2.54mm headers must be soldered manually.
  11. Can it display images?
    Yes, you can convert BMP files to HEX arrays for display.
  12. What is the refresh rate?
    Sufficient for UI menus, though not intended for high-speed video.
  13. Is the backlight replaceable?
    No, the backlight is integrated into the LCD structure.
  14. What is the VEE pin used for?
    It provides negative voltage for contrast adjustment.
  15. Can I use it with Raspberry Pi?
    Yes, via the Python Luma.LCD library.
  16. Is it compatible with 8051 microcontrollers?
    Yes, it is a classic choice for 8051 projects.
  17. What happens if I reverse the polarity?
    Reverse polarity will likely damage the onboard controller instantly.
  18. Does it have a touch screen?
    No, this is a display-only module.
  19. What is the weight?
    Approximately 150 grams.
  20. Is this an original JHD part?
    Yes, we source genuine JHD components for reliability.

     
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How to Order?

Probots sells every Electronics Part for your next Project. You can order 10,000+ Electronic Parts Online - Arduino, Raspberry Pi, NodeMCU Development Boards, Sensors, Motors, Motor Drivers, SMPS, Plastic Enclosures etc in India directly on probots.co.in

  • Place an order online our website probots.co.in for quick and fast delivery
  • You can contact us by phone, Whatsapp or Mail for bulk enquiries, technical queries or order related enquiries before placing the order.
  • If you require a Quotation or PI for your company, send us a request mail and we will help you with it.

Delivery Time?

We delivery electronics components and parts throughout India using standard couriers like Bluedart, Delhivery & India Post.

  • Dispatch Time: 1 Working Day for most orders
  • Guranteed Delivery Time: 1-3 days within India under Express Shipping

How to buy Electronics Components in Bangalore?

  • We offer store pickups for walkin customers in Bangalore. This is the fastest way to get electronic components in Bangalore.
  • Customers can visit our store to buy parts directly
  • Alternatively, you can place orders online and select Select Pickup as the delivery option and have your order picked up by Dunzo, Porter, etc. Please contact us for confirmation before arranging a pickup.

Need Help?

For order related queries contact -

Probots sells every Electronics Part for your next Project. You can order 10,000+ Electronic Parts Online - Arduino, Raspberry Pi, NodeMCU Development Boards, Sensors, Motors, Motor Drivers, SMPS, Plastic Enclosures etc in India directly on probots.co.in

We offer specialized services for Bulk, Wholesale & B2B Customers like discounted prices, additional shipping options, customised products, etc . Customer with large quantity & regular orders qualify for the specialised discounted rates.

We also offer dedicated sales team to assist you with the order process by providing sales quotations, PI, technical support for choosing products, etc.

Note: Business Orders are processed manually and usually take 1-3 days  to process compared to placing the order directly on our website. Please plan your purchases accordingly.

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