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ESP32 WIFI+BLE Module (IPEX antenna)
US$10.95
ESP32-WROVER-B is a highly-integrated generic WiFi-BT-BLE-MCU module with steady performance and low power consumption. It features an IPEX antenna, a 4MB external SPI flash and 64-Mbit SPI PSRAM that operates at 3.3V. The module targets a wide variety of applications from low power sensor networks to the most demanding tasks, such as voice encoding, music streaming, and MP3 decoding.
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ESP32 WIFI+BLE Module (PCB antenna)
US$10.95
ESP32-WROVER-B is a highly-integrated generic WiFi-BT-BLE-MCU module with steady performance and low power consumption. It features a PCB antenna, a 4MB SPI flash and 64-Mbit SPI PSRAM that operates at 3.3V. The module targets a wide variety of applications from low power sensor networks to the most demanding tasks, such as voice encoding, music streaming, and MP3 decoding.
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IO Expansion HAT for Pi Zero/Zero W
US$18.75
This DFRobot IO Expansion HAT provides Digital, Analog, I2C, PWM, UART and SPI port to meet all your needs. It is pretty small and perfectly suitable for Raspberry Pi Zero/Zero W. The board leads out the I/O ports on Raspberry Pi including IIC, UART, SPI and digital, among which the digital ports are led out via the GPIO16~GPIO25(BCM) of Raspberry Pi, so these ports can be directly used.
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Math & Automatic Touch Keyboard for micro:bit (V1.0)
US$48.75
This is a Math & Automatic expansion board for micro:bit. Easy to use, and suitable for a wide range of applications. We designed this board for two sorts of application scenarios: math game and automation control. The 16 programmable touch keys and RGB LEDs on the board offers rich function and flexible input and output. Besides, the board has 1 vibration motor, 1 buzzer, 2 motor ports, 2 servo ports and 9 expansion ports, which lays a foundation for using in automation controlling application.
Delivery within 2-3 weeks
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Environment Science Board for micro: bit (V1.0)
US$122.50
Environment Science Board for micro: bit is designed with highly symbolic trees, houses, and snowy mountains. On a wide and easy-to-use PCB, it integrates many sensor modules of nature and science. Including UV sensor, temperature sensor, humidity sensor, air pressure sensor, sound sensor, color sensor, light sensor, water temperature sensor, TDS water quality sensor, buzzer, OLED display, etc. This kit is rich in knowledge, including a wide range of applications.
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SparkFun Qwiic SHIM for Raspberry Pi
US$1.99
The SparkFun Qwiic SHIM for Raspberry Pi is a small, easily removable breakout that easily adds a Qwiic connector to your Raspberry Pi. The SHIM design allows you to plug directly to the Pi's I2C bus with no soldering required and the thin PCB design allows for it to be sandwiched on your Pi GPIO with other HATs!
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Li-polymer Battery HAT, 5V Output, Quick Charge
US$26.95
The Li-polymer Battery HAT integrates SW6106 power bank management chip, allows providing 5V regulated power supply to your Raspberry Pi or other 5V devices, from a high capacity Li-polymer battery. It will charge the battery as well, supports bi-directional quick charge. Compared with the Li-ion Battery HAT, this HAT utilizes Li-polymer battery with higher capacity, which means longer battery life, and allows higher loads. The size of the HAT is more fit for Raspberry Pi B/A+/B+/2B/3B/3B+/4B.
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Argon ONE: A Decent Aluminum Case for Raspberry Pi 4, with Safe Power Button
US$34.95
Argon ONE Aluminum Case [Pi 4 Applicable]. Make A Shiny Mini-Computer By This Decent Aluminium-Alloy Case Customized For Raspberry Pi 4.
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4G / 3G / 2G / GSM / GPRS / GNSS HAT for Raspberry Pi, LTE CAT4, the Global Version
US$109.95
The SIM7600G-H 4G HAT is a 4G/3G/2G communication and GNSS positioning module, which supports LTE CAT4 up to 150Mbps for downlink data transfer. it is pretty low power consumption. You can connect this 4G module with computer to surf the Internet, or attach it onto Raspberry Pi to enable functions like 4G high speed connection, wireless communication, making telephone call, sending SMS, global positioning, etc.
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ICE Tower CPU Cooling Fan for Raspberry Pi 4 & 3, Super Heat Dissipation
US$34.95
This super ICE Tower CPU Cooling Fan for Raspberry Pi is born for solving heat dissipation problem! Tower structure, 5mm copper tube, multi-layer heat sinks, 7 blades powerful fan, all the above combinations make this super radiator for Raspberry Pi. In the case of overclocking, it can reduce the temperature of the Raspberry Pi from 80℃ to 40℃. Best of all, this super cooling fan support both Raspberry Pi 3 and the new Raspberry Pi 4. In our actual use, we found that Raspberry Pi 4 has a large amount of heat. with the help of this super fan, the powerful performance of the Raspberry Pi 4 will be fully released.
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Assembled Adafruit Feather M0 WiFi - ATSAMD21 + ATWINC1500
US$56.95
Feather is the new development board from Adafruit, and like its namesake, it is thin, light, and lets you fly! We designed Feather to be a new standard for portable microcontroller cores. This is the Assembled Adafruit Feather M0 WiFi w/ATWINC1500 - our take on an 'all-in-one' Arduino-compatible + high speed, reliable WiFi with built in USB and battery charging. Its an Adafruit Feather M0 with a WiFi module.
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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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50 - 64
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66 - 80