Labels Milestones
BackR15, R17, R19 | 3 | 10k | Resistor | | Tayda | A-1672 | | | S2 | 1 | Conn_01x10 | Pin header, 2.54 mm, 1x10 Pin socket, 2.54 mm, 1x10 | | | | Tayda | A-2939 | | | C1 | 1 | TL071 | Operational amplifier, DIP-8 | | | C7, C12 | 3 | 1k | Resistor | | U1 | 1 | Conn_01x07 | *(optional) SIP socket, 2.54 mm, 1x4 | | Q1, Q2, Q3 | 3 | 2N3904 | 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92"/>