```
 3v3            GPIO0_B7               GND
  |                |                    |
  |                \                    |
  |                / 1k                 |
  |                \                    |
  |      10k       |        22k         |
  |-----/\/\/\-----+-------/\/\/\-------|
  |                |                    |
  |                |     NPN            |
  |                +-----\_/------------|
  |                       |             |
  |                       |     LED     |
  |                       +-----|>|-----+
```