Activity for ericâ€
Type | On... | Excerpt | Status | Date |
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Question | — |
Driving LED with NPN transistor from I/O pin I'm trying to understand a circuit for driving a LED found on a board I purchased. Below is the circuit driven by an I/O pin (HS2) of a small 3.3V processor. led driver schematic The HS2 pin is driven by the I/O with these specs: V(high) = 0.8 · Vsupply = 2.64 V V... (more) |
— | almost 4 years ago |