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This is a small but very effective Linear current sensor module, This module is designed around ACS712 hall effect based current sensor chip. This module is good for max 5A current measurement. ACS712 chip takes AC or DC voltage at its input and its output varies linearly with sensed current, its output is analog voltage.
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Reading Sensing and Controlling current flow is a requirements in a wide variety of application including, over-current protection circuits, switching mode, battery chargers, power supplies, digital watt meter and programmable current source, etc.. The ACS721 current reading module is based on ACS712 Sensor which can detect AC, DC current signal accurately. The maximum AC / DC can be detected using ACS712 will reach 30 amp and present current signal can read via analog IO port of Arduino, Product available for this module are 30A, 20A, 5A. for this demonstration we will used the ACS712 30A.
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This is a breakout board for the fully integrated Hall Effect based linear ACS712 current sensor. The sensor gives precise current measurement for both AC and DC signals. Thick copper conductor and signal traces allows for survival of the device up to 5 times overcurrent conditions. The ACS712 outputs an analog voltage output signal that varies linearly with sensed current. The device requires 5VDC for VCC and a couple of filter capacitors. Please keep in mind that though the ACS712 is rated for 2.1kV isolation, the PCB it is on is not designed for that type of voltage. Please keep that in mind if you are using this breakout in high voltage applications.
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Input voltage- AC 0-220V 50/60 Hz / Output voltage- AC 10-220V adjustable (output voltage is less th Maximum power- 4000W (220V) / Adjustable voltage range- AC 0-220V Promise adjustable (with load cond starting 20V or so / Rated current- 9A / Maximum current- 18A
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Operating temperature -30 to 80 Operating Voltage 3.3V-4.2V Power Voltage 3.4V Standby average current 3ma the following Stand by GSM / GPRS Four bands, including 850,900,1800,1900MHZ GPRS Class 10 Sensitivity -105 Support voice calls Stand by SMS SMS Stand by GPRS Data services, the maximum data rate, downloads 85.6Kbps, Upload 42.8Kbps Supports standard GSM07.07,07.05 AT Command and Ai Thinker Extended Command Stand by 2 A serial port, a serial port to download, a AT Command port AT Command supports standard AT and TCP / IP Command interface It supports digital audio and analog audio support HR , FR , EFR , AMR Speech coding Stand by ROHS , FCC , CE , CTA Certification SMT 42PIN Packaging
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The board has in built Programmer capable of programming both AVR & 8051 family ICs.A 40 pin ZIF socket is used as Target to hold the 8051 IC. Additional 40 pin ZIF socket with modified connection is provided to host AVR ICs.This additional ZIF socket should be placed over the on- board ZIF socket to use AVR ICs.