5 Wed Sep 3 2014 Brett Walach <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN" "http://www.w3.org/TR/REC-html40/strict.dtd"> <html><head><meta name="qrichtext" content="1" /><style type="text/css"> p, li { white-space: pre-wrap; } </style></head><body style=" font-family:'MS Shell Dlg 2'; font-size:7.8pt; font-weight:400; font-style:normal;"> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">The Spark Core is a tiny Wi-Fi development board that makes it easy to create internet-connected hardware. The Core is all you need to get started; power it over USB and in minutes you'll be controlling LEDs, switches and motors and collecting data from sensors over the internet!</p> <p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;"><br /></p> <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;">It has 8 digital I/O pins, 8 analog I/O pins, 8 PWM pins; UART (Serial), SPI, I2C, and JTAG peripherals available. Programmed wirelessly (through Spark Cloud), via USB or JTAG. 3.3VDC supply voltage (on board power regulator); can be powered by USB Micro 100mA typical current consumption; 300mA peak consumption (during transmit events). 2MB of external flash; EEPROM supplied by CC3000. STM32F103 microcontroller, ARM Cortex M3 architecture, 32-bit 72Mhz processor, 128KB of Flash, 20KB of RAM.</p></body></html> Spark Core (v1.0) http://spark.io Arduino Compatible Spark Core Wifi STM32F103 Development Platform CC3000 //obsolete//microcontroller board (arduino compatible) variant 2 v1.0 Spark Labs, Inc. Spark Core Analog Input 0 / PWM1

Analog Input 1 / PWM2

Analog Input 2 / SS (SPI)

Analog Input 3 / SCK (SPI)

Analog Input 4 / PWM3 / MISO (SPI)

Analog Input 5 / PWM4 / MOSI (SPI)

Analog Input 6 / PWM5

Analog Input 7 / PWM6

Serial1 UART Transmit

Serial1 UART Receive

Ground

Diode drop below USB V+ / Input to 3.3V Regulator (3.6 - 6V max input)

Digital Input/Output 0 / SDA (ISC) / PWM7

Digital Input/Output 1 / SCL (I2C) / PWM8

Digital Input/Output 2

Digital Input/Output 3

Digital Input/Output 4

Digital Input/Output 5

Digital Input/Output 6

Digital Input/Output 7

Ground

Filtered 3.3V Output (Aref input)

Reset Input (Active Low)

Regulated 3.3V Output