Low cost personal biofeedback devices. Designed to detect REM sleep.
|Frequency Monitor – $128
A headband with an accelerometer that is sensitive enough to pick up the heartbeat and can thus easily detect rapid eye movements. A scholar edition will be made available for $77 once I have enough pre-orders.
Resolution: 3660µg, measurement range: ±5g (49 m/s2)
Pre-order | LSDBase Logs