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@@ -12,11 +12,11 @@ A great candiate for a soldering workshop becuase it is gratifying with the blin
### Parts ### Parts
Parts required to make the flip-flop circuit are: Parts required to make the flip-flop circuit are:
- 2x LEDs; - 2x LEDs
- 2x 10 μF capacitors; - 2x 10 μF capacitors
- 2x 470 Ohm resitors; - 2x 470 Ohm resitors
- 2x 100 kOhm resistors; - 2x 100 kOhm resistors
- 2x BC547 transistors; - 2x BC547 transistors
### Assembly ### Assembly
@@ -34,9 +34,9 @@ Q1 and Q2 are the BC547 transitor. Alternatilvy the equivalent 2N2222A can be us
The blinking interval is determined by the values of the two 100kOhm resistors and that of the two capacitors as per the formula: T = R x C The blinking interval is determined by the values of the two 100kOhm resistors and that of the two capacitors as per the formula: T = R x C
Example values: Example values:
100 kOhm x 10 μF = 1.0s; - 100 kOhm x 10 μF = 1.0s
10 kOhm x 10 μF = 0.1s; - 10 kOhm x 10 μF = 0.1s
100 kOhm x 1 μF = 0.1s; - 100 kOhm x 1 μF = 0.1s
you can choose LEDs of any color. you can choose LEDs of any color.