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improved keylamp schematic

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Ondřej Hruška 10 years ago
parent d1c76a31e0
commit 34103b7065
1 changed files with 19 additions and 19 deletions
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      keyboard-lamp/README.md

36
keyboard-lamp/README.md
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@ -7,24 +7,24 @@ I've made it as a replacement for my broken ThinkLight.
It uses ATtiny13, and the schematic is something like this: It uses ATtiny13, and the schematic is something like this:
Vcc Vcc
| |
+-------------+ ,---------------+
| | | |
| +---u---+ | | +----u----+ |
+--| |--+ Buttons '--| |--'
| | | ATMEL | Buttons
+--[180R]-|<|---| |--BRT----o/ o---+ ,--[180R]-|<|---| |--BRT----o/ o---,
| LED2 | | | | LED2 | ATtiny | |
| --| t13 |--DIM----o/ o---+--- GND | -| 13 |--DIM----o/ o---+--- GND
GND | | GND | |
+--| |----+ ,--| |----,
| +-------+ | LED1 | +---------+ | LED1
| | +-|<|--[47R]-- Vcc | | ,-|<|--[47R]-- Vcc
GND | | GND | |
+-[10k]-|< Transistor NPN '-[10k]-|< Transistor NPN
| |
GND GND
LED1 is the bright white LED, LED2 is an indicator that the brightness has been saved. You can leave LED2 out if you want. LED1 is the bright white LED, LED2 is an indicator that the brightness has been saved. You can leave LED2 out if you want.

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