6 Websites You Need To Know If You're Into Arduino Projects
It lets you use not just one or three Arduino boards but seven — Micro, Pro Mini 3.3V, Pro Mini 5V, Leonardo, Uno R3, Nano R3 ...
Hackaday11mon
Tiny Arduino Drone Even Has An FPV Camera
Even if you have a small hand! The drone is based around an Arduino Pro Mini, and uses an MPU6050 IMU for motion sensing and flight control. Communication with the drone is via an NRF24L01.
Hackaday8y
The $2 32-Bit Arduino (with Debugging)
I have a bit of a love/hate relationship with the Arduino ... this a 3.3 V part. You can find a lot more information on this wiki. The board is a clone–more or less–of a Maple Mini.