![]() ![]() However, when you have placed one on a relay for flyback protection and your controller still keeps resetting, you might need to consider other sources of electrical noise. For example, when designing PCBs that have mechanical relays, you can avoid large voltage spikes and provide relay noise suppression by adding a flyback diode to your circuit. In electronics, what might seem like a large problem can sometimes have an easy solution. We were pretty amused to find out that this mayhem was caused by a faulty fuel indicator that let his fuel tank run empty. It turns out that this was all done in vain. For example, my friend’s motorcycle broke down and he spent hours checking on the battery, carburetor and the electrical system. Engineers sometimes have the tendency to over complicate a problem instead of focusing on simple logical solutions.
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