Opto/Illumination

US$1.81
The LED-3W-SMD-YL is a 20mm Aluminum PCB Yellow LED with (6 in.)15cm. Silicone Jacket Wires.
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US$1.81
The LED-3W-SMD-GN is a 20mm Aluminum PCB Green LED with (6 in.)15cm. Silicone Jacket Wires.
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US$1.81
The LED-3W-SMD-BL is a 20mm Aluminum PCB Blue LED with (6 in.)15cm. Silicone Jacket Wires.
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US$1.81
The LED-3W-SMD-RD is a 20mm Aluminum PCB Red LED with (6 in.)15cm. Silicone Jacket Wires.
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US$0.14
 Low Cost 5mm Green Diffused LED . Forward Voltage: 2.2-2.4 volt  Wavelength: 570 nm.
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US$44.75
This is an ESP32-integrated 2.13”e-ink display with built-in WiFi and Bluetooth functions that can connect to Alibaba Cloud to achieve remote display control. It supports controlling other devices via its IO ports, which greatly saves development cost. This e-ink display module can clearly display Chinese characters, pattern, English in black and white.
Delivery within 2-3 weeks
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US$43.75
With 320x240 color pixels, this 2.8” LCD display module adopts the ILI9341 driver chip and integrates XPT2046 that supports resistive touch. The IPS display module adopts SPI(4-line) communication mode, performing excellently in the angle of view(60/60/60/60). It also supports the GDI interface (the GDI interface should be used in conjunction with the main control board with GDI interface).
Delivery within 2-3 weeks
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US$0.63

This is a 5 mm Blue Diffused LED  

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US$108.97

7inch QLED Quantum Dot Display, Capacitive Touch, 1024×600, G+G Toughened Glass Panel, Various Devices & Systems Support.

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US$71.35
4.3inch Capacitive Touch Display For Raspberry Pi, With Protection Case, 800×480, IPS Wide Angle, MIPI DSI Interface.
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US$8.82

The SparkFun LED Array is a set of 56 red LEDs arranged in a nice 8x7 grid.

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US$63.47

Raspberry Pi: Supports Raspbian, 5-points touch, driver free. Supports Ubuntu / Kali / WIN10 IoT, single point touch, driver free
Supports Retropie, driver free.. Supports Pi 4B/3B+/3A+/3B/2B/B+/A+, CM3/3+*. * CM3/3+ requires extra adapter board.

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US$17.70
240×320 resolution, 65K RGB colors, clear and colorful displaying effect. SPI interface, minimizes required IO pins, supports controller boards like Raspberry Pi/Arduino/STM32. Comes with development resources (examples for Raspberry Pi/Arduino/STM32).
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US$13.63
No backlight, keeps displaying last content for a long time even when power down. Ultra low power consumption, basically power is only required for refreshing. Comes with development resources and manual (examples for Raspberry Pi/Jetson Nano/Arduino/STM32).
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US$22.69
No backlight, keeps displaying last content for a long time even when power down. Ultra low power consumption, basically power is only required for refreshing. SPI interface, for connecting with controller boards like Raspberry Pi/Jetson Nano/Arduino/STM32, etc. Onboard voltage translator, compatible with 3.3V / 5V MCUs.
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