Optoelectronic Products of 2025
- Best Choice
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SLL HUTSuperlightingLED 4000K Natural White Soft Thin LED light Panel Sheet with Lenses, DC24V 30W 19.7”X9.8” CRI 90+ Wide Light Spread LED Sheets for Backlighting Wall and Glow Letters (4000K Natural White)
Main highlights- 【Thin as Paper & Flexible】This flex LED sheet panel is very light and paper-thin, easily bendable by hand to fit curved surfaces or table corners. Whether it's a circular or wavy shape, the LED backlight panel sheet perfectly adapts to your needs. This LED flexible display sheet is widely used for backlighting marble wall, countertop and stained glass.
- 【Peel-and-Stick Installation】Panel LED flexible sheet allows for quick and easy setup by simply peeling off the backing and sticking the LED sheet to the desired surface. This method provides a secure, hassle-free installation without the need for additional tools or hardware. If you're concerned about stability, the LED lighting sheet has mounting holes and comes with nails for dual installation.
- 【Effortless Seamless Connection】The sheet LED panels can be easily connected to form large-area backlighting. It has 8 onboard connectors (0.27” high) and comes with an accessory kit that includes connection pieces and impact-resistant silicone pads, making it easy to seamlessly link these wall light panels together.
- 【Easy to Cut】This LED backlight board can be easily trimmed into various shapes or sizes, making it ideal for creative lighting designs. Every LED chip can be cut. The minimum cuttable area is 6.25 cm². Whether for illuminated letters or artistic signage, simply cut along the marked horizontal, vertical, or diagonal lines with scissors to customize.
- 【Broader & Brighter BackLighting】The lens-type LED sheet light measures 19.7 inches in length, 9.8 inches in width, and has a total of 98 LEDs. Each LED is covered with a PMMA lens for diffuse reflection, ensuring a wider beam angle and greater white light coverage. Fewer LEDs but same backlighting effects. 30W Low power, Energy-efficient.
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- Value for Money
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HosyondHosyond 4.0 Inches 480x320 TFT Touch Screen LCD Display Module SPI ST7796S Driver for Arduino R3/Mega2560
Main highlights- Using the SPI serial bus, it only takes a few IOs to illuminate the display.
- Provide a rich sample program and underlying driver technical support.
- Eeasy to expand the experiment with SD card slot and touch pen.
- Compatible with Arduino R3/Nano/Mega controller boards, which will improve your project operation.
- 4.0-inch color screen,support 65K color display,display rich colors, 480X320 resolution, with touch function.
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JESSINIEJESSINIE 3Pcs 1.28 Inch TFT LCD Display Module Round GC9A01 Driver IPS LCD Screen Module Circular 4 Wire SPI Interface for Arduino
Main highlights- Screen type: IPS; Working voltage: 3.3V/5V; Communication interface: 4-wire SPI
- Positioning method: M3 screw (fixed to the copper column); Module size: 36 * 38.8 * 9.4mm
- Communicate using SPI interface with a resolution of 240x240, Pixel size: 0.135x0.135mm
- 65K color display for a clear display of color images on the arduino screen
- 1.28-inch circular TFT display module with built-in GC9A01 driver chip
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HiLetgoHiLetgo ILI9341 2.8" SPI TFT LCD Display Touch Panel 240X320 with PCB 5V/3.3V STM32
Main highlights- With PCB plate (including power supply IC, SD), compatible with 5110 interface
- Viewing Direction: 6 o’clock
- Resolution (dots): 240RGB*320Dots
- Pixel arrangement: RGB vertical stripe
- Driver element: a-Si TFT active matrix
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DiCUNODiCUNO 120Pcs 12V Pre Wired 5MM Light Emitting Diodes, 9.4 Inch Ultra Bright LED Diodes (6 Colors×20Pcs) Assorted Color Kit Box for Circuit Science Experiment, DIY Lighting Projects
Main highlights- Warranty: 3-month refund and 1-year warranty and immediate customer service. Any problem please feel free to contact us.
- These diodes (120 pieces, discrepancy: ±1%) are placed neatly in a box with compartments and parameters labeled. Used most commonly for DIY lighting projects (illuminant keyboard, luminous toy and cards), science circuit experiments, signal indicator, etc.
- Made up of 7 pure copper wires. Firm, low voltage loss and little heat generation. Resistance: 500Ω; Current: 20mA
- Long wire of 9.4 Inch/24CM. The length of wire is adjustable to fit multiple usage needs. No need of troubling soldering.
- DiCUNO prewired 12V 5MM transparent LED light diodes, 6 light colors: Red/Green/Blue/White/UV/Warm White (Positive wire: The one without resistor. Please refer to the 2rd image.)
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OptronicsOptronics MCL0030ABB Led 2x4 M/c;amb;rflx;blckbase;hardw
Main highlights- Optronics
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MakerFocusMakerFocus TFT LCD Screen Display 1.3inch TFT LCD Module, 240x240 IPS 65K Full Color 3.3V with SPI Interface ST7789 IC Driver, 51 STM32 Ar duino Routines for DIY
Main highlights- Working Voltage:3.3V; Working temperature: -20-70℃
- Viewing direction: IPS; Display area Size: 23.4*23.4mm; TFT Module Size: 27.78* 39.22mm
- Interface: SPI Interface; IC Driver: ST7789
- Dot Size: 240*240 (There are two display way: horizontal display and vertical display, you can adjust the display direction.)
- 1.3inch TFT LCD Screen Display Module:The TFT display provides a semiconductor switch for each pixel and each pixel is directly controlled by pulse. Therefore, each node is relatively independent and can be continuously controlled, which not only improves the response speed of the display, but also can be accurately controlled
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NOYITONOYITO 8-Channel Relay Module High Low Level Trigger with OPTO-Isolated Load DC 30V AC 250V 10A for PLC Automation Equipment Control Industrial Control (8 Channel 24V)
Main highlights- SMD optocoupler isolation, strong driving capability, stable performance; trigger current 5mA;
- Module uses high-quality relay, normally open interface maximum load: AC 250V / 10A, DC 30V / 10A;
- Module Power Supply : DC 5V / 12V / 24V(Module supply voltage must be DC, and the voltage to be consistent with the relay voltage.). Power indicator (green), 8 channels relay status indicator (red)
- Manufacturer's one-year after-sale warranty
- Each channel of the module can be set by jumper cap high or low level trigger;
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Brand: Master Publishing, Inc.Timer, Op Amp, and Optoelectronic Circuits & Projects
Main highlights- Used Book in Good Condition
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HosyondHosyond 3pcs I2C IIC 1602 LCD Display Module 16x02 LCD Screen Module for Arduino Raspberry Pi
Main highlights- Widely used in: Internet of Things, school electronics projects, smart buildings, maker DIY projects, etc., can display letters, characters, numbers, real-time clock or temperature.
- Power supply: 5v; I2C address: 0x27; wiring method: GND—GND, VCC—VCC, SDA—A4, SCL—A5.
- Compatible with most development boards, such as Arduino, Raspberry pi, Tinkerboard, Nano pi, Banana pi, stm32, etc.
- Built-in independent potentiometer, backlight can be adjusted through the back potentiometer.
- 1602 LCD screen can display 2 lines x 16 characters, with i2c serial interface, blue display.