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Home / Computer Hardware, Monitors & Peripherals / Yahboom Smart Voltage Transformer Module AC Detection Sensor for TI Cup College Student Electronic Design Competition

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Input Voltage Range 100V - 240V AC
Output Signal Type 0-3.3V DC Linear
Measurement Accuracy ±0.5%
Electrical Isolation 2500V RMS
Frequency Support 50Hz / 60Hz
Operating Temperature -20°C to 70°C
PCB Dimensions 45mm x 30mm x 15mm
Net Weight 12 grams
Contest Compliance TI Cup University Electronic Design Contest
Connection Interface 3-Pin PH2.0 Header

5 reviews

A

Anonymous

Mar 30, 2026

Rating: 3/5

Decent module

Works well but the pinout diagram in the manual was a bit confusing at first.

A

Anonymous

Mar 01, 2026

Rating: 5/5

Reliable Sensing

Clean output signal, minimal noise. Great for precision tasks.

A

Anonymous

Feb 18, 2026

Rating: 5/5

Contest Ready

Specifically bought for the TI Cup. Meets all isolation requirements.

A

Anonymous

Feb 15, 2026

Rating: 5/5

Perfect for Senior Project

Used this for our university capstone. Worked flawlessly with the STM32 board.

A

Anonymous

Feb 01, 2026

Rating: 4/5

Good accuracy

Measurements are stable. Gets slightly warm after long use but nothing concerning.

5 FAQ

Q: Does it come with calibration data?

A: Each module is factory calibrated, but we recommend verifying with a multimeter.

Q: What is the response time?

A: The module has a response time of less than 100ms for stable readings.

Q: Can I use this with Arduino?

A: Absolutely, the 0-3.3V output is compatible with most 3.3V logic microcontrollers.

Q: Is it officially approved for the TI Cup?

A: Yes, it is listed as compliant for the University Electronic Design Contest category.

Q: Is this safe for 220V mains?

A: Yes, it features 2500V isolation, but please follow standard high-voltage safety protocols.

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