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4pcs Heatsink Kit for Raspberry Pi 4 Model B
US$1.99

This Heat Sink Cooler Kit For Cooling your Raspberry Pi includes 4 aluminum heat sinks with adhesive backing.

Delivery within 2-3 weeks
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8 Channel 24V to 5V PLC Signal Converter
US$12.09
This 8 channel opto-coupled module converts PLC 24 volt signals to 5 volt logic levels.
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RC Models Signal Loss Alarm Module
US$5.49
A simple device that plugs into any servo/Rx port, will detect the loss of Tx signal and emit a loud 85dB alarm.
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SparkFun RedBoard Turbo - SAMD21 Development Board
US$38.57
If you’re ready to step up your Arduino game from older 8-bit/16MHz microcontrollers, the SparkFun RedBoard Turbo is a formidable alternative. At its heart, the RedBoard Turbo uses the ATSAMD21G18, which is an ARM Cortex M0+, 32-bit microcontroller that can run at up to 48MHz. With an impressive 4MB of external flash memory and a UF2 (USB Flashing Format) bootloader, the RedBoard Turbo provides you with an economical and easy to use development platform if you're needing more power than the classic RedBoard.
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SparkFun Qwiic Pro Kit
US$120.30
The Qwiic Pro kit provides you with a RedBoard Turbo, two sensors, two accessory boards, and all the cables you need to start utilizing Qwiic and I2C easily. This kit was designed to allow users to get started with Arduino without the need for soldering or breadboarding. Hooking up a handful of inputs and outputs to a RedBoard has never been so easy. Use the joystick, accelerometer, or proximity sensor, and one small display for outputting text, graphics, or even a microPong game!
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EPZ2019 USB-High Speed EEPROM Programmer
US$24.99

This is a highspeed EEPROM programmer designed to flash and rewrite EEPROMs. The EZP2019 is the upgraded version of our EZP2010 programmer. Unit comes with the programmer, USB Cable and Protoboard for SMD types. The manual, driver and software is found in the CD included in the box.

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2.1-CH 60W Digital Audio Amplifier Board
US$17.55
Its a fully assembled 2.1 channel 60W Amplifier board.
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2-Channel Isolated RS485 Expansion HAT for Raspberry Pi
US$26.99
This is a 2-channel isolated RS485 expansion HAT designed for Raspberry Pi, adopts the SC16IS752+SP3485 solution, with embedded protection circuits such as power supply isolation, ADI magnetical isolation, and TVS diode, etc. It is easy to control the 2-channel RS485 for auto transceiving via SPI interface. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for fields like industrial automation.
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e-Paper IoT Driver HAT for Raspberry Pi, Supports NB-IoT/eMTC/GPRS
US$49.99
This is a Raspberry Pi IoT driver board for e-Paper raw panels. It allows getting text/image data from IoT clouds through NB-IoT/eMTC/EDGE/GPRS network connection, and then display them on the e-Paper.
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Raspberry Pi 4 USB-C Power Supply, 5V / 3A
US$12.49
Connector: USB Type-C. Cable Length: 1.2m. Input: AC 100~240V 0.8A. Output: DC 5V 3A. Protection: Short circuit / Over voltage / Over current. Lifetime: ~60,000 hours. Safety Certifications: UL / FCC / CE / GS / SAA / RCM. Environmental: ROHS / REACH Compliant.
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XH-M577 TPA3116D2 Dual Channel Audio Amplifier - 12-24VDC - 2x80W
US$15.99
XH-M577 is a dual channel 2 x 80W audio amplifier. It requires a 12-24VDC input to operate. It can handle up to 5A of current. This board has knobs for treble, middle, bass and total volume adjustment.
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XH-A233 TF Card/Bluetooth 4.2 Dual Channel Audio Amplifier - 12-24VDC - 2x15W
US$12.09
XH-A233 is a dual channel 2 x 15W audio amplifier that uses TF card and Bluetooth as its audio input methods.
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Waveshare CAN Board SN65HVD230
US$8.14

The Waveshare CAN Board SN65HVD230 features an accessory onboard CAN transceiver, which is pinout compatible with PCA82C250. It is powered from 3.3 V and features ESD protection. The SN65HVD230 CAN Board is ideal to connect microcontrollers to the CAN network. Designed for operation in especially-harsh environments, it features cross-wire protection, loss-of-ground and overvoltage protection, overtemperature protection, as well as wide common-mode range.

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Raspberry Pi 4 Model B Aluminum Case with Dual Cooling Fans
US$24.95
This aluminum alloy case with dual cooling fans is specifically designed for your Raspberry Pi 4 model B.
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TOF10120 I2C and UART Laser Range Finder - Distance Sensor - 10-180cm
US$17.95
Just like the most popular range sensors like the HC-SR04 ultrasonic sensor, the ToF (Time-of-Flight) 10120 laser range sensor has also become popular due to its reliability and simplicity.
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54 - 68
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70 - 84