153
edits
User talk:Daveb: Difference between revisions
From London Hackspace Wiki
→rough design
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* (three of)DC->LED strings->logic level 20V mosfets->GND | * (three of)DC->LED strings->logic level 20V mosfets->GND | ||
* DC->2.5V reg->Vcc->MCU->GND (requires DC >= 2.8V) | * DC->2.5V reg->Vcc->MCU->GND (requires DC >= 2.8V) | ||
* AC->diode-> 100k resister-(MCU int0 pin)->2.5V zener diode->GND | * AC->diode-> 100k resister->(MCU int0 pin)->2.5V zener diode->GND | ||
* MCU_reset->Reset_debugWire->100k resistor->Vcc | * MCU_reset->Reset_debugWire->100k resistor->Vcc | ||
* MCU_[3*gpios]->MOSFET Gates | * MCU_[3*gpios]->MOSFET Gates | ||
* MCU_[ADC]-> | * Vcc->LightDependentResistor->MCU_[ADC]->10k resistor->GND | ||
(Micro-controller programming) | |||
* DC->prog supply pin | * DC->prog supply pin | ||
* Vcc->Vref_debugWire | * Vcc->Vref_debugWire | ||
