Presented here is an Arduino-based "Blue Box". It produces the "traditional" Blue Box 2600Hz tone and MF (multi-frequency) tones, but does much more! It also produces 12 tone signalling systems used ...

Use of MS5611 sensor instead of BMP085 Use of a button to set to sleep/awake the µP Use of the native arduino tone functions (compatibility with ARM Cortex M0 ...

KOHLER backup generators automatically switch on in the event of a power outage. Generators help run electricity to your home for appliances, whole-home circuits, sump pumps, HVAC units and water ...