The large clear Led is the TX indicator and protrudes through the top of the metal enclosure holding the Arduino Uno board.
The bolt, seen here between the padlock /chain rings…..is the external ON/OFF switch, see below.
February's Transmitter hunt is on the 13th and starts at the Southern starting point at 2pm, staging & mileages will be taken at 1:30pm. Coordination or assistance is on the H2 repeater 449.925 (-) pl 131.8Hz . Robert N7FLR will be hiding the transmitter.
The large clear Led is the TX indicator and protrudes through the top of the metal enclosure holding the Arduino Uno board.
The bolt, seen here between the padlock /chain rings…..is the external ON/OFF switch, see below.