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SparkFun's Inventor's Kit, v4.0 An accelerometer and magnetic compass board from SparkFun. All products designed and produced by SparkFun are released as open-source hardware (OSHW), [5] with schematics, EAGLE files, and datasheets posted on each product page.
RP2350A on a Raspberry Pi Pico 2 RP2350A on a SparkFun Pro Micro - RP2350. RP2350 is a 32-bit dual ARM Cortex-M33 and Hazard3 RISC-V microcontroller integrated circuit by Raspberry Pi Ltd. [1] In August 2024, it was released as part of the Raspberry Pi Pico 2 board. [2]
This was an early example of a medium-scale integrated circuit. Another popular chip was the SCN2651 from the Signetics 2650 family. An example of an early 1980s UART was the National Semiconductor 8250 used in the original IBM PC's Asynchronous Communications Adapter card. [5] In the 1990s, newer UARTs were developed with on-chip buffers.
IOIO (pronounced yo-yo) is a series of open source PIC microcontroller-based boards that allow Android mobile applications to interact with external electronics. [2] [3] [4] The device was invented by Ytai Ben-Tsvi in 2011, and was first manufactured by SparkFun Electronics.
SparkFun Electronics – microcontroller development boards, breakout boards; The Bus Pirate – universal bus interface and programmer; Turris Omnia – open-source SOHO network router; RISC-V – an open-source hardware instruction set architecture ; MIPS – a reduced instruction set computer (RISC) instruction set architecture
The Bus Pirate was designed for debugging, prototyping, and analysing "new or unknown chips". [1] Using a Bus Pirate, a developer can use a serial terminal to interface with a device, via such hardware protocols as SPI, I 2 C and 1-Wire.
Sparkfun: 36×18 24 4+2 USB-C QWIIC 16 MB 20 4 BOOTSEL + RESET Thing Plus RP2040 [28] Sparkfun 59×23 28 JTAG pins USB-C QWIIC, lipo battery 16 MB 18 4 BOOTSEL + RESET Battery charger MicroMod RP2040 [29] Sparkfun 22×22 0 edge connector: edge connector 16 MB 29 3 none Müsli USB Pmod [30] Lone Dynamics 45×20.32 12 SWD USB Type-A female
The codes given in the chart below usually tell the length and width of the components in tenths of millimeters or hundredths of inches. For example, a metric 2520 component is 2.5 mm by 2.0 mm which corresponds roughly to 0.10 inches by 0.08 inches (hence, imperial size is 1008).