{"product_id":"voltage-dc-current-power-measurement-module-battery-power-monitoring-detection-motor-stall-2mω","title":"Voltage DC Current Power Measurement Module Battery Power Monitoring Detection Motor Stall 2mΩ","description":"\u003cp\u003e\u003cb\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003eSpecifications:\u003c\/span\u003e\u003c\/b\u003e\u003cbr\u003e- Item Name:High Precision Voltage DC Current Power Measurement Module \u003cbr\u003e- Power Supply: 5V\u003cbr\u003e- Size: 59 x 28mm \u003cbr\u003e- Command Type: AT Command \u003cbr\u003e- Control Ways: Voltage, current or power threshold control relay \u003cbr\u003e- Output Way: Serial Output (PC reads voltage, DC current, power via USB to TTL.)\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003cb\u003eSampling Resistor 2mΩ Version: \u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e- 2mΩ sampling resistance, high-precision large current version \u003cbr\u003e- Detected Voltage Range: 0-36V\u003cbr\u003e- Detected Current Range: DC 0-40A (The measurement error for above 30A is large due to non-linearity)\u003cbr\u003e- Detected Power Range: 0-1080W \u003cbr\u003e- Error: 0.33% @66W\u003cbr\u003e\u003cb\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003eNote: Due to the line loss of the test line, the measured voltage and power are greatly affected. The error is a value selected based on the measured current accuracy.\u003c\/span\u003e\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003cb\u003eAttention: \u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003eIf users want to replace the resistor, please set the resistance of the sampling resistor with AT command, and then set the maximum operating current to work normally. \u003cbr\u003e\u003cbr\u003eFor example, what you purchased is the 10mΩ version which can detect 6A dc current. Now you want to change the sampling resistor with a 2mΩ resistor. First input command AT+R+2, then input AT+MAXC+40. Now the module is changed to 2mΩ version, which can measure 30A DC current.\u003cbr\u003e\u003cbr\u003eIn theory, the smaller the sampling resistance, the lower the accuracy of the measured range.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003cb\u003ePackage Included: \u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e- 1 x Voltage DC Current Power Measurement Module \u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cbr\u003e\u003cb\u003eNote: Please contact us for schematic diagram + AT commands + serial port assistant software after purchasing. Thank you! \u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003e\u003cb\u003ePart of AT Commands:\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eAlarm Polarity: \u003c\/b\u003e\u003cbr\u003e- AT+POLAR+0: After the alarm condition is reached, the alarm light is on and the NC end of the relay is connected.  \u003cbr\u003e- AT+POLAR+1: After the alarm condition is reached, the alarm light is on and the NO end of the relay is connected. \u003cbr\u003e\u003cbr\u003e\u003cb\u003eAlarm Mode Settings: \u003c\/b\u003e\u003cbr\u003e- AT+MODE+OVERC: Over-Current Alarm \u003cbr\u003e- AT+MODE+UNDERC: Under-Current Alarm \u003cbr\u003e- AT+MODE+OVERV: Over-Voltage Alarm \u003cbr\u003e- AT+MODE+UNDERV: Under-Voltage Alarm \u003cbr\u003e- AT+MODE+OVERP: Over-Power Alarm \u003cbr\u003e\u003cimg src=\"https:\/\/www.byimg.com\/catalog\/201909\/62974\/62974-01.jpg\" style=\"width: 750px;\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/www.byimg.com\/catalog\/201909\/62974\/62974-02.jpg\" style=\"width: 750px;\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Thanksbuyer","offers":[{"title":"Default Title","offer_id":40824615665713,"sku":"62974","price":19.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/4790\/6353\/files\/7076830478385_watermarked_0.jpg_0.png?v=1768027949","url":"https:\/\/www.thanksbuyer.com\/products\/voltage-dc-current-power-measurement-module-battery-power-monitoring-detection-motor-stall-2m%cf%89","provider":"Thanksbuyer Online,SDR Radio, Testers and Measurement devices, Astronomy products,  Audio Amplifer and Decoders","version":"1.0","type":"link"}