Mains Supply Failure Backup Light In the event of a sudden blackout at night, this circuit switches on automatically to provide sufficient light for around 30 seconds (extendible), which is enough to switch on an emergency lamp or light up candle. The circuit is simple, low-cost and maintenance-free as it uses no battery, bulky transformer Read more about Mains Supply Failure Backup Light[…]
PARAMETERS BeagleBone Black Raspberry Pi 2 Model B ETHERNET 10/100 10/100 POWER Mini USB, DC jack Micro USB BLUETOOTH No No WIFI No No ANALOG PINS 12-bit ADC,7-Pin No GPIO 66 29 HDMI Micro HDMI HDMI TOUCH SCREEN Yes Yes CAMERA No Yes AUDIO JACK No Yes OS LINUX, ANDROID, BSD LINUX, WINDOWS 10 FLASH Read more about Difference Between Beaglebone Black and Raspberry pi 2 model B[…]
List of sensors Acoustic, sound, vibration: Geophone Hydrophone Lace Sensor a guitar pickup Microphone Seismometer Automotive, transportation: Air & fuel ratio meter Blind spot monitor Crankshaft position sensor Curb feeler, used to warn driver of curbs Defect detector, used on railroads to detect axle and signal problems in passing trains Engine coolant temperature sensor, Read more about List of sensors[…]