and protects your circuit from burning by mistakes
Product ORP Analog Meter V1
but it would be a useful project feature for location tracking purposes
mini View product Pololu Mini Maestro 18-Channel USB Servo Controller lightweight RC and small robotics USB
Teensy 2.0 ATmega32U4 USB Dev Board 3 in 1 and protects your circuit fromCompact AVR USB Board for HID, MIDI, and Small Controller Builds The Teensy 2. 0 ATmega32u4 USB Dev Board is a small USB based microcontroller that is easy to fit into compact projects. It is a strong choice for DIY keyboards, USB MIDI tools, button boxes, compact robots, and custom USB interfaces. Because it uses the ATmega32U4 with native USB support, it can act like a keyboard, mouse, joystick, MIDI device, or serial device without extra USB bridge