Quantity   Component name
1 × 4 pole audio jack
1 × Transformer 1:20 (Coilcraft) LPR 6235-253
1 × Bridge Rectifier Diode (Infineon) BAS4002
1 × Temperature Sensors (Maxim) MAX6577
1 × Fixed LDO Voltage Regulator MCP1702T-3002E/MB