Reed click mikroBUS™ REED click is a simple MikroBUS click board featuring a standard reed switch. The switch is configured as Single Pole Single Throw Normally Open. A reed switch is activated using a magnet, which when applied, activates the switch. A single mikroBUS pin (CS) connected to the MCU outputting a 1 or 0 depending on the whether the switch is close or open. Designed for use with either a 3.3V or a 5V power supply. Click board size - 28.6 mm x 25.4 mm