changes

Honeywell changes magnetic sensor design, forever

Honeywell Sensing and Control has designed a position sensor IC which combines the sensitivity of an anisotropic magnetoresistive (AMR) sensor with the low power operation of a Reed switch. The range of magnetoresistive sensor ICs is called Nanopower reflecting a typical power consumption of 360nA. This is a ten-fold reduction in power consumption on previous …

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Retransmitting Alarm System State Changes with Raspberry Pi and Arduino

I spotted a post by Lior Hass on Hackaday a little while back where he described his Alarmino project where his alarm system now connects with an Arduino and a custom board to simulate the phone line and interpret Contact-ID protocol.  He could then get the system to SMS him in the case of an alarm.  In …

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