The heart rate sensor: a thumb-sized heart rate monitor designed for...
This is a basic breakout board for the FTDI FT232RL USB to serial IC....
The Bluno Beetle Shield expands the Beetle's single analog and digital...
Beetle BLE is another milestone in wearable electronics device area...
Beetle is a extremely the smallest Arduino leonardo board with Atmel...
This little PCB sits on top of the Pro Trinket and allows a LiPoly/LiIon battery to plug in. When the Pro Trinket USB port is powered, the battery is recharged automatically. Adafruit 2124
PRT-00114 - Breadboard Power Supply 5V/3.3V
A small DC - DC boost module that converts a 0.9..5V power source to standard 5V, making it capable of supplying power to an Arduino microcontroller and other small electronic devices that use a 5v input. It integrates a PFM DC-DC boost control chip. FIT0471
3.3V Power Supply Module Board with Red Indicators, AMS1117-3.3V, RoHS
PRT-10967 - NCP1402-3.3V Step-Up Breakout
PRT-10968 - NCP1402-5V Step-Up Breakout
The compact (0.4″ × 0.5″) D24V5F15 synchronous buck voltage regulator takes an input voltage of up to 36 V and efficiently reduces it to 15 V while allowing for a maximum output current of 500 mA. Pololu 2847
Pololu 3.3V, 300mA Step-Down Voltage Regulator D24V3F3
Pololu 9V, 300mA Step-Down Voltage Regulator D24V3F9
Pololu 12V, 300mA Step-Down Voltage Regulator D24V3F12
Pololu Step-Down Voltage Regulator D24V3ALV
Pololu Step-Down Voltage Regulator D24V3AHV
Pololu Step-Down Voltage Regulator D24V6ALV