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R1 | 1 | 100K 1/4W Resistor | |
R2 | 1 | 150K 1/4W Resistor | |
R3 | 1 | 10K 1/4W Resistor | |
R4 | 1 | 1K 1/4W Resistor | |
R5 | 1 | See "Notes" | |
C1 | 1 | 10nF Ceramic Disc Capacitor | |
C2 | 1 | 1uF Electrolytic Capacitor | |
D1, D2, D3 | 3 | High Output IR LED | |
Q1 | 1 | 2N4403 PNP Transistor | |
Q2 | 1 | 2N4401 NPN Transistor | |
S1 | 1 | Normally Open Momentary Push Botton | |
B1 | 1 | 4.5V Battery (Three "AA"'s In Series) | |
MISC | 1 | Wire, Case, Board |
1. Email Carl with questions, comments, etc.
2. You may need to adjust the value of R3 for the right frequency. A pot can be used.
3. You may only need one IR LED.
4. It goes without saying that this circuit should be used with descretion.