Useful tips for everyday
How do you find the inverse resistance? To find the total resistance, invert each resistance value, add them up, and then invert that. (The inverse…
How flip-flops are edge triggered? The flip-flop can be triggered by a raising edge (0->1, or positive edge trigger) or falling edge (1->0, or negative…
When should I use a transistor? One of the most common uses for transistors in an electronic circuit is as simple switches. In short, a…
What are the effects of electromagnetic fields? Effects on general health Some members of the public have attributed a diffuse collection of symptoms to low…
What happens if you use a lower voltage fuse? If a fuse is used with a voltage rating lower than the circuit voltage, arc suppression…
What is crc5? HIV/AIDS Glossary A protein on the surface of certain immune system cells, including CD4 T lymphocytes (CD4 cells). CCR5 can act as…
What happens if collector current increases in a collector emitter feedback circuit? The current flowing from the emitter, IE (which is a combination of IC…
How powerful is a sewing machine motor? Typical household sewing machines use motors rated in tenths of an amp, with a shaft speed of 3000…
How are fire alarm systems wired? A common wiring pattern for smoke detectors is to run a 2-conductor cable, such as 14/2, from the breaker…
What does the Z80 PIO do in a ROM chip? Take this diagram, from the Z80 CPU datasheet: This is an example of how to…