Transparent Acrylic Case Shell Enclosure Gloss Box For Arduino Uno R3 is of high-grade acrylic, which provides excellent protection. This is a unique design and provides easy connection to other components. The dimension of enclosure box is the same as original Arduino Uno R3.

The DRV8825 stepper motor driver carrier is a breakout board for TI’s DRV8825 micro-stepping bipolar stepper motor driver. The Stepper Driver module has a pinout and interface that are nearly identical to those of our A4988 stepper motor driver board, so it can be used as a higher-performance drop-in replacement for those boards in many applications. The DRV8825 Arduino stepper motor controller features adjustable current limiting, over-current, and over-temperature protection, and six micro-step resolutions (down to 1/32-step). It operates from 8.2 – 45 V and can deliver up to approximately 1.5 A per phase without a heat sink or forced air flow (rated for up to 2.2 A per coil with sufficient additional cooling).

This is improved Arduino Uno R3 is one of the latest versions of Arduino Uno with an onboard CH340 USB - serial converter chip. ArduinoUNoR3 provides you with a cheaper opportunity to get started with Arduino boards. The microcontroller model of this board is the same as the original one (Atmega328). The only difference between microcontrollers is the package. The original one has a DIP package but the clone one has an SMD package microcontroller. Arduino Uno r3 kit is more powerful as compared to the dip version.