Instructions Circuit Diagram

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14.9. Parts list YETI Ultrasonic set
PCB-UTS Ultrasonic PCB
R1 10K (Brn, blk, or, gld)
R2 10K (Brn, blk, or, gld)
R3 1K (Brn, blk, red, gld)
R4 10K (Brn, blk, or, gld)
R5 100R (Brn, blk, brn, gld)
R6 470K (Ylw, vio, ylw, gld)
R7 10K (Brn, blk, or, gld)
R8 1K (Brn, blk, red, gld)
R9 47K (Ylw, vio, or, gld)
R10 TRIMMER 1M potentiometer
R11 4K7 (Ylw, vio, red, gld)
R12 10K (Brn, blk, or, gld)
R13 10K (Brn, blk, or, gld)
R14 22K (Red, red, or, gld)
C1 220uF (polarity!)
C2 100nF (104)
C3 100nF (104)
C4 100nF (104)
C5 100nF (104)
C6 100nF (104)
C7 100nF (104)
IC1 TS924IN (Quad Opamp) (polarity!)
S1 IC-socket, 14-pins (polarity!)
TX 400ST100 (Ultrasonic transmitter) small
RX 400SR100 (Ultrasonic receiver) small
T1 BC547B/C or BC547B/C (polarity!)
D1 1N4148 (polarity!)
CON1-PCB PCB connector, male, 20 pins,
    foratcable
CON1-FC (2 pcs.) Flat cable connector, 20-pins, female
F1 Flat cable, 20-wires, 10cm