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.
- COMPATIBILITY: Supports input voltage ranges of 3-5V, 12V, and 24V for versatile integration with various electronic systems
- ISOLATION FUNCTION: Features PC817 optocoupler for effective signal isolation and avoid against electrical interference
- DESIGN: Single-channel configuration on a compact green PCB module for easy installation and space-efficient implementation
- PERFORMANCE: Provides reliable optoelectronic isolation between input and output signals for enhanced circuit protection
- APPLICATION: Ideal for signal conversion, level shifting, and noise reduction in digital communication circuits
- 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.
- 【Powerful ESP32-32E Core】 Powered by the ESP32-D0WD-V3 dual-core 32-bit LX6 processor with a maximum clock speed of 240MHz, this module delivers high performance and stable connectivity with built-in WiFi (2.4GHz, 802.11b/g/n) and Bluetooth...
- 【Vibrant 4.0-Inch Color Display】 Features a crisp 320x480 resolution screen supporting 262K colors (RGB666), offering clear, vivid visuals for all your display needs. Includes a resistive touch screen for intuitive human-computer interaction.
- 【Rich Expansion Interfaces】 Equipped with abundant interfaces including I2C, SPI, UART, and more—making it easy to connect sensors, actuators, and other peripherals. Also includes a Type-C port for fast programming and reliable power delivery.
- 【Multimedia & Storage Ready】 Supports external speaker output for audio playback and includes an RGB indicator light for status feedback. A built-in TF card slot allows for storage expansion—perfect for logging data or storing media files.
- 【Portable & Safe Power Management】 Supports external lithium battery power with onboard charging management to ensure safe and efficient operation. Includes comprehensive sample code and online support for easy learning and development.
- GuuYebe PC817 Optocoupler kit : PC817C PC817 Optocoupler, Optocouplers of Optoelectronic Products
- Model No: PC817 Optocoupler PC817C
- GuuYebe PC817 Optocoupler / PC817C Spec: Photocoupler output type is phototransistor , Number of pins is 4, Needle distance is 2.54mm , Package quantity is 50 pieces.
- GuuYebe PC817 Optocoupler has been widely applied: Replace equipment parts,include as SCR system equipmen etc ...
- 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.
- 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.
- 5V 650nm 5mW Red Dot Diode Laser Head Red Laser Diode 6mm Red Laser Diode Laser Head
- Wave length: 650nm
- Wide range of wroking temperature: -10°C to +40°C
- Application: Level instrument, Ground instrument, Long distance laser listener remote light control, Long distance laser wireless communication
- Product Overview: 100 pcs LED Diodes + 300 pcs Resistors
- Product Features: Tri-Color (Red/Green/Blue) Lights / Common Cathode / 5mm Diffused Round Lens
- Product Parameters: 29mm Long Lead / Red: DC 2.0-2.2V; Blue&Green: DC 3.0-3.2V (IF=20mA) / 0.06 Watts / 2pin / DIP LEDs
- Product Parameters: Luminance Brighter Up To +20% / 120° Viewing Angle / Single LED Diodes Wight: 0.38g
- Accessories: 200pcs 430ohm + 100pcs 470ohm (For DC 6-12V) 1/4 Watt Metal Film Resistors Included / ±1% Tolerance
- TLP281 4-channel optocoupler isolation module
- PCB dimensions: 25x26 mm
- Connects digital systems (such as 5V microcontrollers) to high-voltage or noisy systems.
- The voltage on (3.3V or 5V) microdevices is higher than that of TTL logic circuits.
- A standard optocoupler will invert the signal logic.
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Last update on 2026-08-31 / Affiliate links / Images from Amazon Product Advertising API