Checkpoint· ~5 min
Who Supplies the Wave
The Release 19 tag never makes a wave. Ask the same question of every tag the module shows — RAIN, a phone reader, battery-free Bluetooth: who supplies the wave it answers on?
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The Release 19 tag never makes a wave. Ask the same question of every tag the module shows — RAIN, a phone reader, battery-free Bluetooth: who supplies the wave it answers on?