Banana Pi

Banana Pi

Essentially, Banana Pi is a souped-up clone of the first-gen Raspberry Pis. It has an ARM Cortex-A7 Dual-core CPU, 1GB of RAM, a 1Gbps Ethernet port, and is compatible with Raspberry Pi add-on hardware.

Espruino

Espruino

The Espruino is a JavaScript-based microcontroller that boasts 44 GPIO pins, a micro USB connector, and an SD card reader. While it doesn’t have any built-in Bluetooth or Wi-Fi, it has pads that allow you to add HC-05 Bluetooth modules.