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| electronic:equipment:gadget:lightmask [2026/09/26 10:52] – tony | electronic:equipment:gadget:lightmask [2026/09/26 20:26] (current) – tony |
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| This is the crude modification that hard-wires the battery negative terminal (B-, or Gnd) to the phono socket tip connection, so that the LED mask is powered on immediately when the plug is inserted. There are two disadvantages to this, first there is no longer a timed duration for the exposure, second the LEDs are run at full power which might shorten their life, and give you a stronger exposure than you were expecting. | This is the crude modification that hard-wires the battery negative terminal (B-, or Gnd) to the phono socket tip connection, so that the LED mask is powered on immediately when the plug is inserted. There are two disadvantages to this, first there is no longer a timed duration for the exposure, second the LEDs are run at full power which might shorten their life, and give you a stronger exposure than you were expecting. |
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| ====== References ====== | ====== References and Additional Resources ====== |
| * [[https://deathandthepenguinblog.wordpress.com/2018/01/03/hacking-the-neutrogena-visible-light-therapy-system-to-get-99-lives|Hacking visible light therapy system to get 99 lives]] | * [[https://deathandthepenguinblog.wordpress.com/2018/01/03/hacking-the-neutrogena-visible-light-therapy-system-to-get-99-lives|Hacking visible light therapy system to get 99 lives]] |
| * [[http://p1repair.com/blog/2017/09/30/neutrogena-light-therapy-mask-eeprom-hack/|Light therapy mask EEPROM hack]] | * [[http://p1repair.com/blog/2017/09/30/neutrogena-light-therapy-mask-eeprom-hack/|Light therapy mask EEPROM hack]] |