This is another basic circuit using a transistor, you can use this as a noise source for testing an amplifier for example. Schematics Parts List QTY PART-REFS VALUE…
Author
iainhendry
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This is a simple logic probe based around a transistor A Logic low will switch the LED off A logic high will switch the LED on Schematic Parts List…
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Resistors in series Example 1 is 2 resistors in series In this example the total resistance (RT) = R1 + R2. So in the example above its 10k + 10k…
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A bounceless switch example using a 7404 inverter.
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Schematic Parts List QTY PART-REFS VALUE — ——— —– Resistors ——— 1 R1 2M2 3 R2,R3,R5 1K 1 R4 4M7 Capacitors ———- 1 C1 100nf Integrated Circuits ——————- 1 U1…
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A simple audio pre amplifier using some basic components Schematic Parts List QTY PART-REFS VALUE — ——— —– Resistors ——— 1 R1 100k 2 R2,R3 10k Capacitors ———- 2…