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Category | วัดกระแส Current sensor |
Type | New item |
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Type | Pre-owned Items |
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โมดูลวัดกระแส ให้สัญญาณ analog แบบ linear สำหรับ arduino ทำให้สามารถ calibrate ได้ง่าย สามารถวัดกระแสสูงสุดได้ถึง 50A DC/AC
ตัวอย่างวิดีโอการต่อ Arduino กับ MCU-758 ![]() ตัวอย่าง Code
#define senseIn = A0 int miliVoltsPerAmp = 40; //See the diagram for scale factors int acOffset = 2500; //See the diagram for offset value int rawSense = 0; double voltageValue = 0; double amp = 0; void setup(){ while(!Serial){ Serial.begin(9600); //If serial is available } Serial.println("14CORE | ACS758 Test Code"); Serial.println("Initializing ............"); delay(2000); } void loop(){ rawSense = analogRead(senseIn); voltageValue = (rawSense / 1023.0) * 5000; amp = ((voltageValue - acOffset)/miliVoltsPerAmp); Serial.println("RAW VALUE > "); Serial.println("rawSense"); Serial.println("MiliVolts > "); //Print measured voltageValue Serial.println("voltageValue, 3"); //Set display 3 digits after decimal point Serial.println("AMPS > "); Serial.println(amp, 3); delay(2500); } Features: - Industry-leading noise performance through proprietary amplifier and filter design techniques
- Integrated shield greatly reduces capacitive coupling from current conductor to die due to high dV/dt signals, and prevents offset drift in high-side,
high voltage applications
- Total output error improvement through gain and offset trim over temperature
- Small package size, with easy mounting capability
- Monolithic Hall IC for high reliability
- Ultra-low power loss: 100 μΩ internal conductor resistance
- Galvanic isolation allows use in economical, high-side current sensing in high voltage systems
- 3.0 to 5.5 V, single supply operation
- 50A working current, -40℃ ~ +150 ℃ working temperature
- 120 kHz typical bandwidth
- 3 μs output rise time in response to step input current
- Output voltage proportional to AC or DC currents
- Factory-trimmed for accuracy
- Extremely stable output offset voltage
- Nearly zero magnetic hysteresis ![]() ![]() ![]() |
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Every item comes with a 30-day warranty. However, there are certain conditions that apply:
The customer should not be responsible for any self-inflicted damage, such as incorrect power connections (for example, supplying 5V instead of the required 3.3V for a sensor).
The product must be in perfect condition, without any breakage or damage caused by electricity (e.g., short circuits leading to electrical fires).
The store does not accept product exchanges due to customer misunderstandings, such as purchasing the wrong size for their project or buying something without eventually using it. Customers can inquire about the product details and ensure compatibility before making a purchase by contacting us through our Line account @modulemore during business hours. Please note that there may be delays in response between 12:00 PM and 2:00 PM.
Return Policy: To initiate a product return, customers must provide the original receipt or a copy for quick verification. Returns can be sent to our store address by following these guidelines:
Please note that the store reserves the right to make the final decision regarding product replacement or refund.
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Last updated | Sep 7, 2025 |