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ACS712 30 A Current Sensor
0104110000000576
New product
ACS712 30 A Current Sensor
See description for more details about the product.
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Specifications
1. Current sensor chip: ACS712ELC-30 A
2, pin 5 V power supply, on-board power indicator
3, the module can measure positive and negative 30 amp current, corresponding to the analog output 66 mV / A
4. When no detection current is passed, the output voltage is VCC/2
5. PCB board size: 31 (mm) x 13 (mm)
Note: ACS712 is based on the principle of Hall detection, please try to avoid the influence of the magnetic field when using!
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Reviews
@Marian A
Da prietene stiu ca este bidirectional, dar Vout al modululi este Vin/2, recte 5V tensiunea de referinta Arduino/2 care reprezinta 2.5V sau tensiune de offset. Cum ADC-ul Arduino are tensiunea de offset sau de pornire, ideala 0V, pentru a converti tensiunea in valori numerice, este normal ca tensiunea Vout de 2.5V a senzorului sa reprezinte un nou offset. Am testat senzorul pe semnal AC, iar daca-l pui pe osciloscop si iti configurezi placa de achizitie de date ADC ai sa intelegi ce vorbesc eu aici.
- 2 out of 3 people found this review useful.
@Viorel A
Acel 2.5 V nu este un offset, este faptul ca este un senzor bidirectional. Cand curentul are sens contrar voltajul de iesire scade pana la 0 in functie de cat curent ai prin circuit
- 4 out of 4 people found this review useful.
F. bun
Un senzor de curent foarte precis de la allegro si destul de ieftin care are si offset la 2.5V pentru Arduino.
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