SparkFun will be closed for Labor Day (9/3/2018). Same day qualified orders placed after 2:00 pm MT on Friday (8/31/2018) will be processed and shipped Tuesday (9/4/2018). Have a great weekend! Find a Retailer SHOP PRODUCT MENU BLOG find products, tutorials, etc... HOME / P R O D U C T C A T E G O R I E S LEARN 0 SUPPORT Need Help? LOG IN REGISTER EDUCATION FORUM / CURRENT / SPARKFUN CURRENT SENSOR BREAKOUT - ACS723 (LOW CURRENT) SparkFun Current Sensor Breakout - ACS723 (Low Current) SEN-14544 DESCRIPTION DOCUMENTS The low current version of the SparkFun Current Sensor Breakout is a high accuracy board that utilizes the ACS723 for low to moderate AC and DC current sensing applications. The ACS723 sensor uses a Hall effect sensor to output a voltage relative to the current flowing through the IP+ and IP- pins on the board. The advantage of using a Hall effect sensor, specifically, is that the circuit being sensed and the circuit reading the sensor are electrically isolated meaning that, although your Arduino is running on 5V, the sensed circuit can be operating at higher DC or AC voltages! images are CC BY 2.0 SHARE Previous Versions This low current sensor breakout is capable of sensing very small currents down to around 10mA and large currents up to 5A! However, since the output is analog, your usable readings will be limited by noise and the resolution of the ADC reading the output. Additionally, this breakout has full electrical isolation of measured and sensed circuits and (thanks to an on-board amp) can adjust its sensitivity. Although the analog output is adjustable to 80kHz, the bandwidth on the ACS723 Sensor Breakout width filter has been set to 20kHz to reduce noise when using at high gains. The full 80KHz bandwidth that the sensor is capable of can be recovered by closing the JP1 (Bandwidth Select) jumper on the back of the board. Note: Although the chip itself is rated for up to 2.4kV (RMS) of isolation, the board has not been designed for such high voltage applications. GET STARTED WITH THE SPARKFUN ACS723 CURRENT SENSOR BREAKOUT GUIDE Tags ACS723 BREAKOUT CURRENT CURRENT SENSOR LOW CURRENT SENSOR SparkFun Current Sensor Breakout - ACS723 (Low Current) Product Help and Resources TUTORIALS SUPPORT TIPS Current Sensor Breakout (ACS723) Hookup Guide JUNE 21, 2018 Learn how to measure the current consumption of your project using the ACS723 Current Sensor. SKILLS NEEDED x COMMENTS REVIEWS 1 0 Customer Comments Log in or register to post comments. n1ist / about 3 months ago / 1 This board is not suitable for 120v or 240v as the ground pour under the chip is too close to the input side for proper isolation. START SOMETHING. SUBSCRIBE TO NEWSLETTER About Us About SparkFun Press & Media SparkFun Education Feeds Jobs Contact Help Customer Service Shipping Return Policy FAQ Chat With Us Programs Become a Community Partner Community Stories Custom Kit Requests Tell Us About Your Project Sell Your Widget on SparkFun Become a SparkFun Distributor Large Volume Sales Community Forum SparkFun IRC Channel Take the SparkFun Quiz SparkFun Kickstarter Projects Distributors In 2003, CU student Nate Seidle fried a power supply in his dorm room and, in lieu of a way to order easy replacements, decided to start his own company. Since then, SparkFun has been committed to sustainably helping our world achieve electronics literacy from our headquarters in Boulder, Colorado. No matter your vision, SparkFun's products and resources are designed to make the world of electronics more accessible. In addition to over 2,000 open source components and widgets, SparkFun offers curriculum, training and online tutorials designed to help demystify the wonderful world of embedded electronics. We're here to help you start something. SparkFun Electronics (R) / Niwot, Colorado / Customer Service / Site Map / Terms of Service / Privacy Policy Questions? Feedback? powered by Olark live chat software