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| hardware:autopoweron 2009/12/17 18:24 | hardware:autopoweron 2017/09/06 18:38 current | ||
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| Here's a circuit using a NE556N dual timer IC that automatically turns the DNS-323 on whenever power is first applied or re-applied after power failure. This circuit is applicable to the DNS-323 hardware version B1: | Here's a circuit using a NE556N dual timer IC that automatically turns the DNS-323 on whenever power is first applied or re-applied after power failure. This circuit is applicable to the DNS-323 hardware version B1: | ||
| {{ hardware:delayed_on_pulse.png |Delayed turn-on circuit}} | {{ hardware:delayed_on_pulse.png |Delayed turn-on circuit}} | ||
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| ==== For older DNS-323 hardware versions ==== | ==== For older DNS-323 hardware versions ==== | ||
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| ~~CLEARFLOAT~~ | ~~CLEARFLOAT~~ | ||
| **Assembly pictures**\\ | **Assembly pictures**\\ | ||
| - | I stole an electrolytic capacitor from a unused electronic circuit. The leads weren't long enough, so I had to use wire. The electrolytic capacitor you'll buy will likely have leads long enough so you won't need to go through this hassle. | + | I stole an electrolytic capacitor from a unused electronic circuit. The leads weren't long enough, so I had to use wire. The electrolytic capacitor you'll buy will likely have leads long enough so you won't need to go through this hassle. (But make sure that non-isolated leads don't touch front panel after assembly. The panel is actually made of (anodized) aluminum and there can easily be a short-circuit, leading to router powering down soon after start up - or worse.) |
| \\ {{hardware:power_on_capacitor.jpg?300|}} {{hardware:power_on_final_result.jpg?500|}} | \\ {{hardware:power_on_capacitor.jpg?300|}} {{hardware:power_on_final_result.jpg?500|}} | ||
| ~~CLEARFLOAT~~ | ~~CLEARFLOAT~~ | ||
