Review on π Highly Efficient DIYmall HC SR501 Motion Infrared Arduino for Enhanced Arduino Projects by Josh Graham
Good IR sensor, watch out for input voltage
Good IR sensor and good price for 5. Packaged well, all 5 work. Jumpers in the high/low settings and additional links to documents here would help earn a fifth star. The best documents I've found are by googling "Henrysbench HC-SR501 Arduino Tutorial and Guide" (Revain won't let me post a direct link). Two things worth noting: - Without changing jumper settings, they are set to high (repeating) mode - Running them even A BIT below 5V can result in repeated false alarms (i.e. "blink" on/off on the output signal).
- Impressive
- Nothing
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