Development Platforms

PRODUCT ID: 4400

DEV-14281

The NPN Transistor acts as a switch or amplifier. With no current at the base, there will be no current flow from collector to emitter. However, a small amount of current to the base will allow a large current to flow through the collector and emitter.

PRODUCT ID: 4080

Sparkfun Product ID:DEV-13298

Sparkfun SKU: PRT-14299

ESP8266 WiFi SoC breakout and development board Sparkfun Part Number: WRL-13231

DEV-12640

Sparkfun SKU: BOB-13989

Sparkfun PRT-12978

The Blinker module turns a direct current input into a square wave output, allowing you to make LEDs blink and Buzzers beep. It has a green LED flashing in time with the output and a red LED to indicate if power is connected the wrong way. You can change the blinking rate by turning the wheel!

DEV-12587

Sparkfun SKU: KIT-14478 Turn any conductive surface into keyboard and Mouse

WRL-13711

The Buzzer module plays a 4kHz tone. The volume of the buzzer can be adjusted by changing the the amount of power running through it. The plus and minus signs indicate the direction in which it operates.