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Component (9)
Qty
Description
![](https://upverter.com/static/renders/components/b01/b012c364fbca30ca_48x48.png)
Resistor
R22, R32, R12
3
Generic Resistor (220)
![](https://upverter.com/static/renders/components/81d/81d7537914870c1c_48x48.png)
Resistor
R31, R11, R21
3
Generic Resistor (1k)
![](https://upverter.com/static/renders/components/841/841645b7c47bd64b_48x48.png)
BD137
BJT1, BJT2, BJT3
3
BD137 NPN Transistor
![](https://upverter.com/static/renders/components/c0b/c0b3e19bad655b0d_48x48.png)
Variable Resistor
R_variable
1
Generic Variable Resistor