- S3F94C4EZZ-DK94 Microcontroller (U7) 
```
                       ____  ____
                       |   \/   |
                   VSS | 1    20| VDD
              XIN/P1.0 | 2    19| P0.0/ADC0/INT0 (SCLK)
             XOUT/P1.1 | 3    18| P0.1/ADC1/INT1 (SDAT)
     (VPP) nRESET/P1.2 | 4    17| P0.2/ADC2
               T0/P2.0 | 5    16| P0.3/ADC3
                  P2.1 | 6    15| P0.4/ADC4
                  P2.2 | 7    14| P0.5/ADC5
                  P2.3 | 8    13| P0.6/ADC6/PWM
                  P2.4 | 9    12| P0.7/ADC7
                  P2.5 |10    11| P2.6/ADC8/CLO
                       ----------
```
- LM358N Operational Amplifier (U3)
- AT24C0B2 EEPROM 256 Byte (U4)
- MOC3041 Zero-Crossing Optoisolators Triac Driver Output (U2)
- BTA16 Triac (U1)
- TIP122 NPN Darlington-Transistor (Q2)
- 2N 3904 NPN Transistor (Q1, Q3, Q4)