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5753-ADA Adafruit PC Joystick to seesaw I2C Adapter - STEMMA QT / Qwiic
US$9.05
This board has a 15 pin D-Sub socket port, that you can plug any classic PC joystick into. Onboard is a ATtiny816 helper chip that acts as a I2C peripheral using our 'seesaw' library. Two STEMMA QT ports mean you can plug this board in using a 4-pin JST SH cable to any microcontroller or microcomputer with I2C support and read the joystick X & Y plus the two buttons, even if your main chip doesn't have analog inputs. There's even a 5V power generator on-board since joysticks are expecting that voltage.
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5786-ADA Adafruit Metro RP2040
US$22.70
The RP2040 is a powerful chip, which has the clock speed of our M4 (SAMD51), and two cores that are equivalent to our M0 (SAMD21). Since it is an M0 chip, it does not have a floating point unit or DSP hardware support - so if you're doing something with heavy floating-point math, it will be done in software and thus not as fast as an M4. For many other computational tasks, you'll get close-to-M4 speeds!
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ESP32-C3-DevKit-RUST-1 4 MB Flash
US$36.35
ESP32-C3-DevKit-RUST-1 is an entry-level RISC V development board equipped with the ESP32-C3-MINI-1, a powerful, generic Wi-Fi + Bluetooth LE MCU module that features a rich set of peripherals, yet an optimized size. It's an ideal choice for a wide variety of application scenarios related to the Internet of Things (IoT), such as embedded systems, smart homes, wearable electronics, etc. This version is equipped with the ESP32-C3-MINI-1 with 4MB SPI Flash and no PSRAM.
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LGT8F328P-LQFP32-3.3V QFP32L Pro Mini 3.3V Microcontroller
US$7.23

The QFP32L “Pro Mini” is a variant of the LGT8F328P-LQFP32 microcontroller that is similar to ATMega328p, but with additional capabilities.

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LGT8F328P-LQFP32-5V QFP32L Pro Mini 5V Microcontroller
US$7.23

The QFP32L “Pro Mini” is a variant of the LGT8F328P-LQFP32 microcontroller that is similar to ATMega328p, but with additional capabilities.

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Introduction to Raspberry Pi Pico Wireless Educational Kit
US$63.65
The Waveshare Raspberry Pi Pico Basic kit contains all the components necessary to complete the exercices in the Official Raspberry Pi Pico Book-Get Started with MicroPython on Raspberry Pi Pico.
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4470-ADA Adafruit MCP4728 Quad DAC with EEPROM - STEMMA QT / Qwiic
US$11.78
The MCP4728 lets you chose between two sources for your reference voltage: the input voltage that you use to power it on the VCC pin, or an internal 2.048V reference voltage. If you use the internal reference voltage (Vref in DAC speak) you can choose between 1X or 2X gain for the output, allowing your voltages to range from 0V to 2.048 or 0V to 4.096V as your application requires.
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4900-ADA Adafruit QT Py RP2040
US$15.42
The star of the QT Py is our favorite connector - the STEMMA QT, a chainable I2C port that can be used with any of our STEMMA QT sensors and accessories. Having this connector means you don't need to do any soldering to get started. What can you pop into the QT port? How about OLEDs! Inertial Measurment Units! Sensors a-plenty. All plug-and-play thanks to the innovative chainable design: SparkFun Qwiic-compatible STEMMA QT connectors for the I2C bus so you don't even need to solder. Just plug in a compatible cable and attach it to your MCU of choice, and you’re ready to load up some software and measure some light.
Delivery within 2-3 weeks
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WEMOS-MINI-D1 LOLIN D1 Mini V4.0.0 WEMOS WIFI Internet of Things Board based- ESP8266 4MB MicroPython Nodemcu Arduino- Compatible
US$9.05
LOLIN D1 Mini V4.0.0 WEMOS WIFI Internet of Things Board based- ESP8266 4MB MicroPython Nodemcu Arduino- Compatible. What's new about V4.0.0:...
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WEMOS-ESP32-CH340, WEMOS Lite V1.0.0 Wifi Bluetooth Development Board Antenna ESP32 CH340G MicroPython 4MB Micro USB
US$9.05
WEMOS Lite V1.0.0 Wifi Bluetooth Development Board Antenna ESP32 CH340G MicroPython 4MB Micro USB
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WAVE-25140 Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits
US$90.77
This product is an industrial 32-ch relay module controlled via RS485 bus, adopts Modbus RTU protocol, built-in protection circuits such as power supply isolation, ADI magnetical isolation, resettable fuse, and TVS diode, etc. It also comes with an ABS case. The Modbus RTU 32-Ch Relay is very easy to use. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipments and/or applications with high communication requirements.
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PI-ZERO-W Raspberry Pi Zero W with built-in WiFi
US$27.25
The Raspberry Pi Zero W extends the Pi Zero family. Launched at the end of February 2017, the Pi Zero W has all the functionality of the original Pi Zero, but comes with added connectivity, consisting of: 802.11 b/g/n wireless LAN. Bluetooth 4.1. Bluetooth Low Energy (BLE).
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WAVE-24594 Waveshare RP2040-Matrix Development Board, Onboard 5×5 RGB LED Matrix, Based On Official RP2040 Dual Core Processor
US$11.60
RP2040 microcontroller chip designed by Raspberry Pi in the United Kingdom. Dual-core Arm Cortex M0+ processor, flexible clock running up to 133 MHz. 264KB of SRAM, and 2MB of on-board Flash memory. Onboard 5 × 5 RGB LED matrix for colorful lighting display. Castellated module allows soldering direct to carrier boards. USB 1.1 with device and host support. Low-power sleep and dormant modes.
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PI-PICO-WH-N, Raspberry Pi Pico W Wireless with pre-soldered Headers
US$13.60

The PI-PICO-W is an RP2040 microcontroller. It is simar to the known and loved Raspberry Pi Pico, but it has built-in wireless capabilities. The CYW43439 supports IEEE 802.11 b/g/n wireless LAN, and Bluetooth® 5.2.

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EF08268, The XGO Micro:bit Dog Robot Programming Kit (without Micro:bit board)
US$532.12
The XGO micro:bit Dog Robot Programming Kit is an educational AI robot dog featuring 12 DOFs, specifically designed to teach teenagers about artificial intelligence. 
 
Delivery within 2-3 weeks
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