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Electrolytic decoupling capacitors 100uF/25V. These capacitors are great transient/surge suppressors. Attach one between the power and ground of your project to ensure smooth power delivery. High quality radial electrolytic capacitors.

DescriptionSometimes it's nice to have a protoboard that's super long and skinny， super small， or just a bunch of holes. The SparkFun Snappable Protoboard is a large PCB crisscrossed with v-scored lines so that you can choose just how long and wide yo

DescriptionThe A0 in the latest in Macchina's line of OBD-II interfaces. The A0 uses the power of the ESP32 BLE and WiFi module to allow for wireless access to the OBD-II port most modern cars have.The Macchina A0 module plugs directly into the OBD-II port found in most modern cars and receives its power from the port. From there， one can interface with the device through a few different methods. The easiest is with software such as SavvyCAN， Torque Lite on Android. Besides getting all on board diagnostic information， you're able to control certain aspects of the car and create cool projects such as dash-mounted， shift lights. The A0 can also be programmed in the Arduino IDE， so there's plenty of possibilities to customize the device for what you want to do with your car!FeaturesODB-II compatibility with all modern cars(1996 or newer)Pre-loaded with SavvyCAN for plug and play(wireless!)reverse engineeringWiFi and Bluetooth(R)FunctionalityESP32 ProcessorSuper bright RGB LEDCAN Communication FunctionalityProgrammable with the Arduino IDE

DescriptionThe SparkFun Thing Plus - RP2040 is a low-cost， high performance board with flexible digital interfaces featuring the Raspberry Pi Foundation's RP2040 microcontroller. Besides the Thing Plus orFeatherfootprint(with 18 GPIO pins)， the board also includes an SD card slot， 16MB(128Mbit)flash memory， a JST single cell battery connector(with a charging circuit and fuel gauge sensor)， an addressable WS2812 RGB LED， JTAG PTH pins， four(4-40 screw)mounting holes， and our signature Qwiic connector.The RP2040 contains two ARM Cortex-M0+ processors(up to 133MHz)and features：264kB of embedded SRAM in six banks6 dedicated IO for SPI Flash(supporting XIP)30 multifunction GPIO：Dedicated hardware for commonly used peripheralsProgrammable IO for extended peripheral supportFour 12-bit ADC channels with internal temperature sensor(up to 0.5 MSa/s)USB 1.1 Host/Device functionalityThe RP2040 is supported with both C/C++ and MicroPython cross-platform development environments， including easy access to runtime debugging. It has UF2 boot and floating-point routines baked into the chip. While the chip has a large amount of internal RAM， the board includes an additional 16MB of external QSPI flash memory to store program code.The SparkFun Qwiic Connect System is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.Get Started With the Thing Plus RP2040 Hookup GuideFeaturesSparkFun Thing Plus - RP2040 FeaturesRaspberry Pi Foundation's RP2040 microcontroller16MB QSPI Flash MemoryJTAG PTH PinsThing Plus(or Feather)Form-Factor：18[1]x Multifunctional GPIO Pins[2]Four available 12-bit ADC channels with internal temperature sensor(500kSa/s)Up to eight 2-channel PWMUp to two UARTsUp to two I2C busesUp to two SPI busesUSB-C Connector：USB 1.1 Host/Device functionality2-pin JST Connector for a LiPo Battery(not included)500mA charging circuitQwiic ConnectorButtons：BootResetLEDs：PWR- Red 3.3V power indicatorCHG- Yellow battery charging indicator25- Blue status/test LED(GPIO 25)WS2812- Addressable RGB LED(GPIO 08)Four Mounting Holes：4-40 screw compatibleDimensions：2.3"×0.9"RP2040 General FeaturesDual Cortex M0+ processors， up to 133 MHz264 kB of embedded SRAM in 6 banks6 dedicated IO for QSPI flash， supporting execute in place(XIP)30 programmable IO for extended peripheral supportSWD interfaceTimer with 4 alarmsReal time counter(RTC)USB 1.1 Host/Device functionalitySupported programming languagesMicroPythonC/C++1.Note：GPIO 08is not included in this count， as it passes through the WS2812 addressable RGB LED first.GPIO 07andGPIO 23are counted as a single GPIO because they are tied together.2.Note：The GPIO pins are programmable so you can reconfigure the pins! Check out the RP2040 datasheet for more information on the GPIO functionality.