Material list for Wattmeter:

Used Part Type            Designator Footprint  Description                                     
==== ==================== ========== ========== =============================================== 
2    1K                   R5 R6      AXIAL-0.4  1%,0.125W resistor                                                
1    1N4148               D1         AXIAL-0.4  100mA Diode                                           
2    10K                  R3 R7      AXIAL-0.4  1%,0.125W resistor                                                
2    15P                  C8 C9      RAD-0.1    Ceramic capacitor, 50V                         
2    22U,16V              C6 C7      RB-.2/.4   Electrolytic capacitor
1    78L05                U2         TO-92B     5V,100mA linear regulator                                                
10   100N                 C1 C2 C3   RAD-0.2    Ceramic capacitor, 50V                         
                          C4 C199                                                               
                          C209 C219                                                             
                          C229 C239
                          C10                                                             
1    470U,16V             C5         RB-.2/.4   Electrolytic capacitor
1    CD4070B              U1         DIP-14     CMOS quad XOR gate                          
2    CON2                 J2 J3      SIP-2      Connector                                       
1    CON3                 J4         SIP-3      Connector                                       
1    CRYSTAL 4MHz         U5         RAD-0.2    Crystal                                                
1    DB9                  J49        DB-9RA/M   DEM9P (serial interface) connector                                                
1    ICM7211              S1         DIP-40     LCD 4 digit driver                                                
1    LCD 4 DIGIT          S2         DIP-40W    LCD 4 digit display                                                
2    MC33201              X1 X2      DIP-8      General purpose rail to rail Opamp
1    LTS25NP              U3         LTS25NP    I to V converter                                
1    MAX232CPE            U49        DIP-16     +-15KV ESD-PROTECTED, +5V RS-232 TRANSCEIVERS   
1    OPEN                 R4         AXIAL-0.4  Do not mount                                                
1    PIC16F876            U4         DIP28N     8-Bit CMOS Microcontrollers With A/D Converter  
1    315K                 R1         AXIAL-0.4  1%,0.125W resistor                                                
1    110K                 R2         AXIAL-0.4  1%,0.125W resistor                                                
1    SW-SPST              S3         SIP-2      on/off Switch