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    DIY Parts & Components

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    Picture of 12V to 5V DC-DC 15w Step Down Power Converter Module

    12V to 5V DC-DC 15w Step Down Power Converter Module

    • Voltage: DC8-20V
    • Output:5V3A
    • Power:15W
    • Convert efficiency: up to 96%
    • Working temperature:-40C-80C
    $11.74 $13.85
    Picture of LDTR - PJ0003 9V Battery Snap Connector to DC Male Dedicated Power Adapter Cable for Arduino Boards - Black

    LDTR - PJ0003 9V Battery Snap Connector to DC Male Dedicated Power Adapter Cable for Arduino Boards - Black

    • Works with official Arduino boards
    • Hard plastic T-type connector
    • Material: ABS
    • Length: 15cm
    $3.75 $4.54
    Picture of WXD3 - 13 - 2W 4.7K Ohm Multiturn Precision Potentiometer -Black

    WXD3 - 13 - 2W 4.7K Ohm Multiturn Precision Potentiometer -Black

    • Dielectric strength: withstand 750 V (50 Hz AC RMS) for 1 minute, without breaking, flying fox phenomenon
    • Rated power: 2W
    • Small size, easy to carry
    $6.38 $7.53
    Picture of LDTR-WG0267 DC 12V 24V 36V 48V PWM DC 10A High Power Motor Speed Controller with Housing (White)

    LDTR-WG0267 DC 12V 24V 36V 48V PWM DC 10A High Power Motor Speed Controller with Housing (White)

    • Technical Parameters
    • Model: LDTR-WG0267
    • Potentiometer: Resistance B100K; opening 8mm
    • Input voltage: DC10-60V
    • Output voltage: 0-100% of input voltage
    $7.86 $9.27
    Picture of Waveshare RPi Relay Board

    Waveshare RPi Relay Board

    • Overview
    • The RPi Relay Board gives your Pi the ability to control high voltage/high current devices, easily makes normal home appliances become intelligent.
    • RPi Relay Board Features
    • Supports Raspberry Pi A+/B+/2B/3B/3B+
    • High quality relays, loads up to 5A 250V AC or 5A 30V DC
    $17.34 $20.63
    Picture of Waveshare Solar Power Management Module for 6V~24V Solar Panel

    Waveshare Solar Power Management Module for 6V~24V Solar Panel

    • Overview
    • This solar power management module is designed for 6V~24V solar panel. It can charge the 3.7V Li battery through solar panel or USB connection, and provides 5V/1A regulated output.
    • The module features MPPT (Maximum Power Point Tracking) function and multi protection circuits, therefore, it is able to keep working with high-efficiency, stability, and safety. It is suited for solar powered, low-power IoT, and other environmental protection projects.
    • Features
    • Supports MPPT (Maximum Power Point Tracking) function, maximizing the efficiency of the solar panel
    $11.88 $14.49
    Picture of Waveshare Photo Interrupter Sensor, Speed Measuring

    Waveshare Photo Interrupter Sensor, Speed Measuring

    • Overview
    • Infrared detection, eliminating the interferences of external stray light
    • Schmitt trigger, stable wave form and signals
    • Signal output indicator (while breaking the beam, outputs low level, the indicator lights up)
    • Specifications
    $7.29 $8.60
    Picture of Waveshare Industrial RS232/RS485 to Ethernet Converter, US Plug

    Waveshare Industrial RS232/RS485 to Ethernet Converter, US Plug

    • Industrial RS232/RS485 to Ethernet Converter, Dual Serial Ports, Easy-to-use, High-speed, Low-power, High-stability, Upgradable
    • Overview
    • The RS232/485 TO ETH is an industrial RS232/RS485 to Ethernet converter, which allows bi-directional transparent data transmission between RS232/RS485 and RJ45 port Ethernet, even at the same time, it can be configured via webpage.
    • Features
    • M4 series 32-bit ARM processor with up to 120MHz frequency, fast speed, stable and reliable
    $42.89 $50.18
    Picture of WAVESHARE 128x128 General 1.5inch RGB OLED Display Module 16-bit High Color with SPI Interface

    WAVESHARE 128x128 General 1.5inch RGB OLED Display Module 16-bit High Color with SPI Interface

    • 128x128 high resolution, 65K colors, clearly displays colorful images
    • Supports 4-wire SPI OR 3-wire SPI interface, configured via onboard resistor
    • Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32)
    • Driver: SSD1351
    • Interface: 4-wire SPI, 3-wire SPI
    $20.52 $23.60
    Picture of WAVESHARE 128x128 General 1.5inch OLED Display Module 16 Gray Scale with SPI/I2C Interface

    WAVESHARE 128x128 General 1.5inch OLED Display Module 16 Gray Scale with SPI/I2C Interface

    • 128x128 high resolution
    • 16 gray scale, better display effect
    • Supports SPI or I2C interface, configured via onboard resistor
    • Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32)
    • Driver: SSD1327
    $17.03 $20.10
    Picture of Waveshare USB 3.2 Gen1 to Gigabit Ethernet Converter Module, Driver-Free

    Waveshare USB 3.2 Gen1 to Gigabit Ethernet Converter Module, Driver-Free

    • This USB 3.2 Gen1 to Gigabit Ethernet wired Internet module incorporates Realtek original high performance controller RTL8153, with features including multi systems compatibility, driver-free, plug-and-play, supports systems like Win7/8/8.1/10, Mac, Linux, Android, and so on.
    • Easily providing wired Gigabit Ethernet connection for devices which has no Ethernet port or broken NIC, fast data rate, low latency, stable performance, smooth experience for gaming or HD movies.
    • Controller: RTL8153
    • ETH port: RJ45 Gigabit Ethernet
    $18.62 $22.53
    Picture of GA01P Mini Smart Power-off GSM SMS Phone Alarm Module

    GA01P Mini Smart Power-off GSM SMS Phone Alarm Module

    • The input is a switch signal. When the input port is short-circuited to the ground (GND), an alarm message will be sent to the preset alarm phone, or call the set alarm number. The content of the alarm message can be set by yourself
    • It is simple and convenient to use, can be well embedded in other equipment, and act as a remote alarm working system
    • The alarm content of 1 alarm input and the alarm content when it is restored to normal can be defined by yourself
    • Built-in rechargeable lithium battery, usually in a charging state, when the main power is off, it will provide power and send an alarm message to the preset number
    • Power supply: DC 5V-15V
    $30.00 $35.10