| Bulk Pricing | ||
|---|---|---|
| QTY | Unit Price(Inlc. GST) | |
| 25+ | ₹2,449.02 ₹ 2075.44 + 373.58 GST | |
| 50+ | ₹2,424.03 ₹ 2054.26 + 369.77 GST | |
| 75+ | ₹2,399.04 ₹ 2033.08 + 365.95 GST | |
| 100+ | ₹2,349.06 ₹ 1990.73 + 358.33 GST | |
The ultimate all-in-one IoT interface! This yellow development board integrates a powerful ESP32-WROOM Wi-Fi/Bluetooth chip with a vibrant 3.2-inch IPS capacitive touchscreen. Includes USB-C and an SD card slot.
TTGO ESP32 WiFi and Bluetooth Development Board with 1.14″ LCD Display ₹1,799.00 
ESP-Prog Development Board JTAG Debug Programmer for ESP32 ₹2,999.00 
2.8" LCD Touch Display with ESP32 Development Board - WiFi/BT IoT HMI Module ₹2,349.00 
ESP32-C3 with 0.42 Inch OLED Development Board ₹899.00 
TTGO ESP32-S3 WiFi and Bluetooth Development Board 1.9 inch ST7789 LCD Touch Display Touch ₹3,399.00 The All-In-One IoT Dashboard Traditionally, building a wireless touchscreen controller required buying an ESP32, buying a separate TFT screen, and spending hours deciphering complex wiring diagrams to connect them via SPI. This board (officially stamped ESP32-2432S032, but known in the community as the "Cheap Yellow Display") completely eliminates the wiring. The ESP32-WROOM-32 module is permanently soldered to the back of the PCB, with its high-speed SPI traces routed internally directly to the display controller. You simply plug in a USB-C cable, write your code, and you instantly have a fully functional, Wi-Fi-enabled smart screen.
Capacitive Touch & IPS Brilliance This is the premium variant of the CYD ecosystem. It features an IPS (In-Plane Switching) LCD panel, ensuring your custom graphics, Home Assistant dashboards, and text look vibrant and do not wash out when viewed from extreme angles. Furthermore, it abandons cheap, pressure-sensitive resistive touch technology in favor of a modern Capacitive Touch digitizer. This means the screen responds instantly to the lightest tap of a bare finger, providing the same fluid, premium user experience as a modern smartphone.
Integrated Peripherals The back of the yellow PCB is packed with utility. It features an integrated MicroSD card reader, essential for storing large background images and custom fonts that exceed the ESP32's internal flash memory. It also includes multiple JST-style expansion ports (often breaking out UART, I2C, or specific GPIO pins), allowing you to easily plug in external temperature sensors, addressable LED strips, or relay modules without needing a bulky external breadboard.
Specifications
Core Microcontroller: ESP32-WROOM-32 (Dual-Core 240MHz, Wi-Fi & Bluetooth)
PCB Model Designation: ESP32-2432S032
Display Technology: IPS TFT LCD
Screen Size: 3.2 Inches (Diagonal)
Resolution: 240 x 320 Pixels
Touch Technology: Capacitive (Multi-Touch Capable)
Display Controller: ILI9341 (or equivalent ST7789V depending on batch)
Touch Controller: GT911 / CST820
Storage: Integrated MicroSD Card Slot
Programming Interface: USB-C (CH340 Serial Chip)
Expansion: JST 1.25mm / 4-Pin Connectors
Downloads:
Key Applications and Projects
Home Assistant Control Panel: Flashing the board with ESPHome or OpenHASP to create a wall-mounted touch interface to control smart lights, thermostats, and garage doors.
Universal Wi-Fi Remote: Building an interactive touch remote that sends HTTP requests to control your PC media player, smart TV, or Roku.
Crypto/Stock Ticker: Writing a script that pulls live API data and renders beautiful, real-time candlestick charts and price alerts directly on your desk.
Unlock New Capabilities (Project Evolution) The LVGL Modern UI Interface: Writing basic text and drawing crude squares with standard display libraries looks amateurish. Evolve your interface! This specific ESP32 board is powerful enough to run LVGL (Light and Versatile Graphics Library). By integrating LVGL, you can build stunning, professional-grade user interfaces with smooth animations, anti-aliased fonts, drop shadows, and sliding menus. You can even use drag-and-drop tools like SquareLine Studio on your PC to visually design the UI, generate the C++ code, and upload it directly to this 3.2" display for a true commercial-product feel!
1 x ESP32 3.2" 240x320 IPS Smart Display (Capacitive Touch)
1 x 4-Pin JST Expansion Cable
This video describes the functionality of 3.2 Inch LCD Capacitive Touch Display with ESP32 Development Board
1. What is the "Cheap Yellow Display" (CYD)? "CYD" is a community-given nickname for a highly popular family of generic ESP32 development boards that feature a yellow PCB and an integrated touchscreen. This specific model is a premium 3.2" variant.
2. What microcontroller is running this board? It is powered by the industry-standard ESP32-WROOM-32 module, featuring a 240MHz dual-core processor, built-in 2.4GHz Wi-Fi, and Bluetooth (Classic & BLE).
3. What is the difference between Capacitive and Resistive touch? Resistive touch (older tech) requires physical pressure (pushing down) to register a touch, often needing a stylus. Capacitive touch (what this board uses) detects the electrical properties of your bare finger, responding to the lightest tap, exactly like an iPhone.
4. What does IPS mean for the display? IPS (In-Plane Switching) provides much wider viewing angles and deeper, more accurate colors compared to standard TFT screens, which tend to look "washed out" if you look at them from the side.
5. How do I program this board? You program it just like any standard ESP32 development board. You plug a USB-C data cable into the port, open the Arduino IDE (or PlatformIO), select "ESP32 Dev Module", and hit upload.
6. Do I need to hold a "BOOT" button to upload code? Usually, no. This board features the standard auto-reset circuitry (via the CH340 serial chip), meaning the Arduino IDE will automatically force the ESP32 into bootloader mode when you hit upload.
7. What are the two small buttons on the back of the board? One is the EN (Enable/Reset) button used to manually reboot the ESP32. The other is the BOOT button, used to manually force the chip into flashing mode if the auto-reset circuitry ever fails.
8. What display library should I use in Arduino? The TFT_eSPI library by Bodmer is universally recommended for the CYD ecosystem due to its incredible speed and excellent support for the ESP32 hardware SPI.
9. What are the white plastic connectors on the edges? These are JST-style expansion ports. They break out specific ESP32 GPIO pins (like TX/RX for UART, or standard digital pins) so you can easily plug in external sensors without soldering.
10. What is the MicroSD card slot for? The ESP32 only has a few megabytes of internal storage. The SD card allows you to store large, full-screen background images, audio files, and large custom font files to be loaded onto the screen by your code.
11. Can I run ESPHome or Home Assistant on this? Yes! The 3.2" CYD is incredibly popular in the home automation community. You can easily flash it with ESPHome or OpenHASP to create a dedicated smart-home touch panel.
12. What voltage does this board require? It is powered via the 5V USB-C port. The board has an internal regulator to drop that to 3.3V for the ESP32 and the screen logic.
13. Can I power it from a battery? Yes, but there is no dedicated JST battery port or internal LiPo charging circuit on this specific base model. You would need to wire a 5V powerbank to the USB-C port, or wire a 5V source to the 5V/GND pins on the expansion ports.
14. Are the display pins accessible for other uses? No. The GPIO pins used for the LCD (SPI MOSI, SCK, CS, DC, etc.) and the touch controller are permanently routed internally on the PCB and cannot be used for other external components.
15. Does it have an onboard speaker or buzzer? This specific PCB layout does not typically feature a built-in speaker.
16. Why is my screen completely white when I power it on? A white screen means the backlight has power, but the ESP32 has not initialized the display controller. You must upload a valid Arduino sketch that initializes the TFT_eSPI library with the correct pin definitions for the CYD board.
17. Where can I find the correct pinout definitions? Because this is a generic board, pinouts can occasionally shift. However, there is a massive community repository on GitHub (search for "Cheap Yellow Display GitHub" or "ESP32-2432S028") that provides the exact User_Setup.h files required for TFT_eSPI.
18. Can it play video? You cannot play standard MP4 or HD video. However, the ESP32 is fast enough to decode and display small MJPEG streams or animated GIFs at around 15-20 frames per second.
19. Is the USB-C port for power only, or also for data? It is fully wired for both power and serial data transfer (via the CH340 chip), allowing you to flash code directly over USB. Ensure you are using a "Data Sync" USB-C cable, not just a cheap charging cable.
20. Does it come with a plastic case? No, this listing is for the bare PCB assembly only. However, because it is so popular, there are dozens of free, high-quality 3D-printable enclosure designs available on sites like Printables and Thingiverse.
| Display Technology | TFT / IPS LCD (Full Color) |
|---|---|
| Touch Capability | Capacitive Touch (Multi-touch, Glass) |
| Communication Interface | I2C / SPI |
| Smart / Integrated Ecosystem | ESP32 Built-in (IoT Display) |
| Screen Size (Diagonal) | Small (1.5 - 3.4 Inch) |
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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
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Buyed them. But no bargain. Helpful staff.
Available all children school project spears parts like electronics
It was good experience
Staff is very patient and helpful
One of the best place for electronics you will get everything you want! With the best and orginal quality
Very helpful staff and the best place to buy components for projects
Wonderful store with expert service and technically strong people.
Prompt delivery, excellent technical support
Large inventory of electronic components and parts. Well trained service personnel and technicians who can quickly identify and rectify product defect if any. They are a reliable and trustworthy online stores.
A very great place for electronics Such a well maintained shop... Felt good shopping here
Nice
For new developments kit available and they will support till working, and I suggest this place strongly
This place has all the electronic parts students will ever need, staff is friendly and the place is organised.
It was a really nice experience! I was happy to find such a wide range of robotics kits for kids, suitable for different age groups and learning levels.
Excellent experience
Good stuff
Buyed them. But no bargain. Helpful staff.
Available all children school project spears parts like electronics
It was good experience
Staff is very patient and helpful
One of the best place for electronics you will get everything you want! With the best and orginal quality
Very helpful staff and the best place to buy components for projects
Wonderful store with expert service and technically strong people.
Prompt delivery, excellent technical support
Large inventory of electronic components and parts. Well trained service personnel and technicians who can quickly identify and rectify product defect if any. They are a reliable and trustworthy online stores.
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