Current & Voltage Sensors

SKU: AF-6340 | Brand: Adafruit

The Adafruit INA237 is a precision DC power monitor capable of measuring current, voltage, and power on either the high or low side of your circuit. With support for up to +85V DC common-mode voltage and a 16-bit ADC,...

SKU: DF-SEN0098-V2 | Brand: DFRobot

##Introduction This is an updated version. Retired Product: Gravity: Analog 50A Current Sensor (AC/DC) V1Get this low-power current sensor to monitor your project every second for saving energy or protecting the circu...

SKU: AF-6062 | Brand: Adafruit

The Adafruit INA3221 breakout monitors current, voltage, and power on up to three independent power rails simultaneously over I2C. Each channel supports high or low-side measurement up to +26V DC at ±3.2A with ±1% pre...

SKU: EF-EF04016 | Brand: ElecFreaks

Octopus Non-invasive AC current sensor (TA17-03) Brick is Electronic building blocks, a transformer, an ammeter, a current sensor module, compatible with all kinds of Arduino electronic building blocks / sensor shi...

SKU: DF-SEN0288 | Brand: DFRobot

A non-contact AC current sensor with a clamp-on transformer probe, capable of measuring 0–10 A AC. Simply clamp the probe around an AC line and connect the 3.5 mm plug to the signal conversion module — no wire cutting...

SKU: DF-SEN0287 | Brand: DFRobot

When you want to measure the AC current, are you still having trouble cutting the wires, wiring or soldering. Gravity: Analog AC Current Sensor comes to the rescue, eliminating the need to cut wires or reconnect circu...

SKU: AF-3626 | Brand: Adafruit

What do you do when you need a variety of measurements on your current project? (pun intended!) You could buy a slew of test equipment tools OR you could use this very nice panel-mount multi-function power meter!...

SKU: AF-3624 | Brand: Adafruit

This Mini Power Meter with Voltage, Current, Watts, mAh & mWh Display (whew that is a mouth-full) is a lot like the USB In-Line Voltage and Current Meter we carry but can  be used with a wide range of voltages...

SKU: AF-3650 | Brand: Adafruit

The Adafruit INA219 FeatherWing is a high-side current and voltage sensor that stacks onto any Feather development board. Using the INA219B chip over I2C, it measures both DC current draw and bus voltage with 1% preci...

SKU: AF-3989 | Brand: Adafruit

Analog panel meters are arguably not as blingy or flashy as LEDs, but their simplicity adds a touch of elegance and makes them easier to read quickly.This Large 3V Panel Meter is about handheld-size, with one scr...

SKU: SF-SEN-12040 | Brand: SparkFun

The INA169 is a “high-side current monitor,” which means that you place a resistor (a “shunt resistor”) on the positive power rail and the INA169 measures the voltage drop across that resistor. The INA169 outputs a sm...

SKU: AF-460 | Brand: Adafruit

Put a voltage meter anywhere with this very handy display. These are often used by RC hobbyists for keeping track of batteries but we thought it would be great on a breadboard or enclosure. This is the 2-wire versi...

SKU: AF-904 | Brand: Adafruit

This breakout board will solve all your power-monitoring problems. Instead of struggling with two multimeters, you can just use the handy INA219B chip on this breakout to both measure both the high side voltage and DC...

SKU: AF-5832 | Brand: Adafruit

This breakout brings the INA228 power monitoring chip out to an easy-to-use board for measuring DC current, bus voltage and calculated power on either the high side or the low side of a circuit. It combines a wide com...

SKU: SF-SEN-29259 | Brand: SparkFun

Built around the Allegro ACS37800, this Qwiic power meter lets your project monitor voltage and current at the same time over I2C. It is designed for higher-demand loads such as 3D printers, UAVs and solar panels, wit...

SKU: SF-TOL-18374 | Brand: SparkFun

A panel-mount DC current and voltage meter is a handy addition when you need to keep an eye on a system continuously, rather than grabbing a DMM for quick checks. It is useful for battery-backed projects, power suppli...

SKU: SF-SEN-31437 | Brand: SparkFun

Monitor DC current and power over I2C with this Qwiic breakout based on the Texas Instruments INA237 digital power monitor. It measures current, bus voltage, internal temperature and power for an in-line DC input usin...

SKU: SF-SEN-31438 | Brand: SparkFun

This compact Qwiic breakout uses the Texas Instruments INA228 digital power monitor to measure DC current and power with high precision over I2C. The onboard 20-bit delta-sigma ADC supports readings for current, volta...

SKU: PL-2453 | Brand: Pololu

A compact carrier board for the Allegro ACS711EX Hall effect-based linear current sensor with overcurrent fault output. It measures bidirectional current up to ±31 A with a proportional analogue voltage output centred...

SKU: PL-4049 | Brand: Pololu

The ACS724 Current Sensor Carrier provides a compact breakout for Allegro's ±50A ACS724LLCTR-50AB Hall effect-based linear current sensor. It offers a low-resistance (~1.2 mΩ) current path and electrical isolation up ...