Optoelectronic products are crucial for modern computing, enabling high-speed data transfer and precise control. Selecting the right device ensures optimal performance, reliability, and compatibility with your existing setup. This guide will help you navigate the options and make an informed purchase.
- NOYITO 1-Channel PC817 Optocoupler Isolation module adopts 5.0 pitch screw terminals for easy wiring . The module can play the role of isolation when the output level of the single-chip microcomputer drives the inductive devices such as motors and motors...
- The module can be used for high-voltage detection. For example, if the output signal level of a sensor is 12V, and the voltage of the microcontroller is 5V, this module can be used for isolation detection.
- The module can also be used for current amplification. For example, when the output current of the microcontroller is too small to drive certain circuits, this module can be used for amplification.
- Input signal voltage: 3-5V / 12V / 24V (optional).
- Output signal voltage: wide voltage, suitable for DC1.8 - 24V.
- Controller: Adopts ESP32-WROOM-32 module, dual-core MCU, integrated Wi-Fi and Bluetooth, main frequency up to 240MHz, memory of 520KB SRAM and 448KB ROM, 4MB flash memory.
- Touch Screen: 2.8-inch LCD color screen, resolution of 240x320, supports 16-bit RGB 65K color display, rich colors, with resistive touch function.
- Multi-function: Contains LCD display, backlight control circuit, touch screen control circuit, speaker drive circuit, photosensitive circuit and RGB-LED control circuit.
- Rich expansion interface: Equipped with TF card interface, serial port interface, temperature and humidity sensor interface (DHT11 interface) and reserved IO interface.
- Convenient Development: Provides compatible with Arduino library functions and sample programs, supports one-click download of programs, and supports Arduino IDE, ESP IDE, Micropython and Mixly development.
- 4.0-inch color screen,support 65K color display,display rich colors, 480X320 resolution, with touch function.
- Using the SPI serial bus, it only takes a few IOs to illuminate the display.
- 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.
- Provide a rich sample program and underlying driver technical support.
- Dual-Size Versatility: Each color (White/Red/Blue/Green/Yellow) includes 20pcs 5mm LEDs and 40pcs 3mm LEDs, totaling 300pcs. Perfect for projects requiring flexibility in size and brightness.
- Precise Technical Specs: Forward Voltage: Red/Yellow 2.0-2.2V; Blue/Green/White 3.0-3.2V.
- Wide Application: Ideal for DIY electronics, Arduino/Raspberry Pi projects, PCB circuits, car decorations, science experiments and holiday lights.
- Organized Storage: Color-coded and size-separated in a labeled plastic case for easy access and protection against damage.
- Premium Quality: High-conductivity silver-plated pins and durable materials ensure long-lasting performance.
- [9.16-inch IPS display] Full color IPS panel screen accurately reproduces the true and delicate colors, with good viewing angle stability
- [1920x480 resolution] Using TRCC software, freely monitoring system parameters display, supporting multiple static/dynamic image switching, as well as video playback, DIY personalized theme display
- [Product Parameters] The screen size is 9.16 inches, the product size is 251x68x17mm, the resolution is 1920x480, the connector is USB Type-C, and the screen power and data communication are provided by the 9-pin USB interface of the motherboard. Before...
- [TRCC software] You can download the software from the official website, unzip and double-click the installation program to achieve installation. The monitoring/on/off functions of this screen are all controlled by software. After installation, it can be...
- [Compatibility] Supports magnetic chassis to fix the screen panel, or can be attached to a metal wall desktop, allowing for easy movement of the LCD screen position
- [Magnetic screen design] The screen adopts metal frame technology, and the magnetic screen does not require screws, making it easy to install and remove
- Overview: 5mm LED light assortment kit includes 5 colors x 90pcs diodes-handy kit box ready for DIY lighting project. Head Diameter: 5mm Round; Pin Length: 18 mm ( Longer Part: Anode) / 17 mm ( Shorter Part: Cathode).
- Electrical Parameters: Forward Voltage: Red/Yellow 2.0-2.2V; Blue/Green/White 3.0-3.2V; Max. Current: 20mA; Viewing Angle: 30 degree. Note: Due to varying voltages across different LED colors, please calculate in advance to achieve optimal lighting...
- Wide Application: DiCUNO super bright 5mm LED diodes are widely used in DIY LED Projects, School Science Experiments, Signal Indicators, Car Decorations, Electronic and Electrical Experiments, Breadboard, etc.
- Luminous Intensity: Red, 2000-3000mcd; Yellow, 3000-4000mcd; Green, 15000-20000mcd; Blue, 3000-4000mcd; White, 12000-14000mcd. Mini LED lights, yet deliver impressive brightness.
- Wavelength Range: Red, 620-625nm; Yellow, 590-595nm; Green, 520-525nm; Blue, 460-465nm; White, 8000K. 5mm LED 5 Colors-one box offers you multiple and accurate lighting effects.
- 1602 LCD screen can display 2 lines x 16 characters, with i2c serial interface, blue display.
- Built-in independent potentiometer, backlight can be adjusted through the back potentiometer.
- 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.
- 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.
- 5Mm LED Light Combo Kit: Contains 500 pcs LEDs in 10 colors (cool white, red, orange, green, blue, warm white, pink purple, yellow, yellow green, blue purple) and 5M, 1/4 inch double sided conductive copper foil tape self adhesive copper tape; All...
- Product Specifications: Lamp Diameter: 5mm transparent round; Forward Voltage: DC 1.8-2.2V; 3-3.4V; Maximum Current: 30 mA; Polarity: for light emitting diodes, the longer pin is the anode, the shorter pin is the cathode
- Pure Copper Foil Double Sided Conductive Adhesive: Package includes 1 x 5 m copper foil tape, double sided conductive, 1/4 inch width; Pure copper foil double sided conductive adhesive tape is strong adhesive and conductive, applied for EMI shielding...
- Easy to Use Mini Emitting Diode Kit: very bright and colourful, looks beautiful at night; 10 different light colours fully equipped, you can assemble different colours of LED light emitting diodes as needed, the included conductive adhesive eliminates the...
- Widely Applied: these mini LED light emitting diodes are easy to repair and replace for DIY and maintenance of equipment and electrical appliances, circuit units; You can use them to make LED glow sticks, LED lights, ideal for student DIY LED projects...
- PC817 4 channel optocoupler isolation board is independent, can control different voltage at then same time.
- 4-way 817 optocoupler driving port signal voltage:3.6-24V; Output voltage range: 3.6-30V(The output current depends on the specific situation but not over 10MA. When the total power is fixed, the voltage and current are inversely proportional).
- 4 way 817 optocoupler to achieve the control signal and the control signal isolation, you can directly use the microcontroller or other devices IO port to achieve voltage isolation control, you can achieve a small voltage control, the control side can be...
- PC817 module jumper cap can be used to determine whether the output terminal is high potential output or low output.
- If it is a pulse signal, please note that the limit of 817 is below 3KHZ. If the control signal is greater than 3KHZ, please do not use this module, it will not work properly.
- 4-Digit Digital Tube Display Module: The Driver Ic Is Tm1637, Only Two Signal Lines Can Make Mcu Control Four Digit 8-Segment Led. Can Be Used To Display Decimal, Letters And So On
- Working Voltage:3.3V/5V DC
- Working Current:30 / 80MA
- Color: red highlights
- LED brightness adjustable:Digital tube 8-level grayscale adjustable
- Conrol Interface: A Total Of 4 Pins (Gnd, Vcc, Dio, Clk), Gnd To Ground, Vcc For The Power Supply, Dio For The Data Input And Output Pins, Clk For The Clock Signal Pin
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Last update on 2026-07-16 / Affiliate links / Images from Amazon Product Advertising API