The IC with the built-in countdown timer monitors GPIO of Raspberry Pi, and the software on Raspberry Pi sends pulse signals to GPIO at a fixed interval to re-set the timer in the IC.

Multi voltage level converter with the Texas Instruments chip, TXS0108E, that performs bidirectional level shifting from any voltage to any voltage between 1.8V and 5V. It allows 8-bit bidirectional low-voltage conversion for a wide range such as 5V-3.3, V3.3V-1.8V, 5V-1.8V.

These are the stand-offs and screw sets for Raspberry Pi. You can secure the HAT with your Raspberry Pi.

microB USB Breakout

You know we all love mbed. So here it is! The mbed Skill Badge for you. This iron-on patch with mbed logo is our very first original skill badge.

Amp board kit for Super directional ultrasonic speaker which delivers sound only straight ahead by ultrasound.

T-Cobbler breakout kit for Raspberry Pi B+

Eaglet is a tiny breakout board for Intel Edison.

Protoboard for Raspberry Pi

TsuboLink-II for HRM1017 is a CMSIS-DAP debug adaptor used for programming and debugging the HRM1017 breakout.

Using ultrasound, the speaker kit sharply directs and sends audio only straight. It has many wave transmitters. Please note that you need to solder many points for assembling it.

Breakout board for the Hoshiden HRM1017, small Bluetooth Low Energy (BLE) module

LM75B temperature sensor (I2C interface)

The Switch Science mbed LPC1114FN28 enables you to use NXP LPC1114FN28 (ARM Cortex-M0 MCU in DIP28 package) with the mbed online compiler easily. It is bundled with an LPC1114FN28.

This is L-shaped Pin Socket, and can be fit to a GPIO of Raspberry Pi.

16-port I/O expander for Raspberry Pi. MCP23017 by Microchip is mounted on the expander.

Vanilla shield for XBee

This is a universal board which can connect GPIO pins of Raspberry Pi directly,
and it comes with L-shaped Pin Socket 2x13 (26P).

This is a T-cobbler breakout board kit designed for extending the GPIO, Serial, SPI and I2C interface on Raspberry Pi A/B to breadboard.

You can connect this I2C controlled 8×2 LCD Breakout to GPIO of Raspberry Pi directly and use it without soldering!