SparkFun Power Meter - ACS37800 (Qwiic)
Best price from 1 store
£19.20 GBP
Lowest ever
Best price at The Pi Hut
Priced in GBP — no conversion needed
52-wk Low
£19.20
Average
£19.20
52-wk High
£19.20
Priceino Verdict
A quick read on fit, value and timing.
A reliable, compact power monitor with I2C convenience, ideal for accurate measurements in maker and professional projects.
Good fit for
Makers using Qwiic ecosystem for rapid prototypingEngineers designing power monitoring into embedded systemsStudents learning about energy measurement and power electronics
Avoid if
You need to measure very high currents beyond the ACS37800's capabilityYou expect a standalone display without a microcontroller
Where to buy
Prices verified within 48 hours30-day price prediction
Price likely to remain stable over the next 30 days
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confidence
Price has been relatively stable over the last 30 days
Currently at all-time low — historically tends to rise after
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About this product
The SparkFun Power Meter - ACS37800 (Qwiic) is a compact, I2C-enabled power monitoring solution for makers and engineers. It measures AC/DC current and voltage with onboard calibration, simplifying power analysis in Qwiic ecosystems. Ideal for energy monitoring projects and embedded systems.
Key features
- Based on Allegro ACS37800 power monitoring IC
- Measures both AC and DC current and voltage
- Qwiic I2C interface for seamless connectivity
- Onboard calibration for accurate readings
Pros
- Simplifies power monitoring with I2C no soldering required due to Qwiic
- Suitable for both AC and DC measurements
- Integrated voltage sensing reduces external components
- Small form factor easily integrates into projects
Cons
- Requires microcontroller with I2C for operation
- Limited to voltage and current ranges of the ACS37800; check specs
- May be overkill for simple current-only measurements
Buying advice
Who should consider this product and what to check before buying.
Buy this if you need accurate power monitoring in a Qwiic-based project and value ease of I2C integration. Ensure your operating voltage and current are within the sensor's range, as the ACS37800 has specific limits. It offers good value for those needing a compact, calibrated solution.
Price History
Last updated · 1 store
£19.20
Buy at The Pi Hut
Price Timeline
Key pricing milestones tracked by Priceino.
5 Sep 2026
First tracked
Priceino started monitoring this product
23 Oct 2026
Today — £19.20 · lowest ever
The cheapest we have ever recorded — a great time to buy
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Frequently asked questions
Common questions about buying this product.
Who is this product best for?
This product is ideal for makers, hobbyists, and engineers who work with the Qwiic ecosystem and need to measure power consumption in their circuits. It's particularly useful for projects that require I2C connectivity without soldering.
What should shoppers check before buying?
Shoppers should verify the voltage and current ranges of the ACS37800 to ensure it fits their application, as exceeding these limits can damage the sensor. Also, check compatibility with their microcontroller's I2C interface and logic levels.
What is the best price for SparkFun Power Meter - ACS37800 (Qwiic)?
The best current price for SparkFun Power Meter - ACS37800 (Qwiic) is £19.20 at The Pi Hut. We track prices daily across multiple stores.
Is now a good time to buy SparkFun Power Meter - ACS37800 (Qwiic)?
The price is around the historical average. Check our price history chart for trends.
How often does the price of SparkFun Power Meter - ACS37800 (Qwiic) change?
We update prices daily. Use our price history chart to see how the price has changed over time and set a price alert to be notified when it drops.