NAU7802SGI – 24 Bit Analog to Digital Converter 2 Input 1 Sigma-Delta 16-SOP from Nuvoton Technology Corporation of America. 4. Also, the NAU7802 is dual channel. The Qwiic Scale is designed with the NAU7802 IC . The SparkFun Qwiic Scale NAU7802 Arduino Library is a fully featured library for reading weights as well as configuring the IC. \$\begingroup\$ Given that the NAU7802 is a 24 bit ADC, and given that you are off by approx 3,000,000, I am guessing that there is something funky going on with bit order or bit flipping. Pricing and Availability on millions of electronic components from Digi-Key Electronics. The SparkFun Qwiic Scale is a small breakout board for the NAU7802 that allows you to easily read load cells to accurately measure the weight of an o… 1. 3. took reference from Microchip AN1488 note for bit banding and wrote below code. The NAU7802 shines in that it has all the great features of the HX711 but Search nau7802 arduino, 300 result(s) found MPU6050.h arduino mpu6050 library, but library mpu6050 seems to have multiple versions, because in hmc5883l library routines when using MPU6050.h, called a begin () function, but the compiler times wrong. NAU7802 has much more comprehensive choice of gains, and calibrate/offset registers, via the i2c bus Check our new training course. We recommend you install the library via the Arduino IDE by using the library manager and search for SparkFun Scale.Or you can download and manually install a zip of the library by clicking on the link below. Order today, ships today. Elixir Cross Referencer - Explore source code in your browser - Particularly useful for the Linux kernel and other low-level projects in C/C++ (bootloaders, C libraries...) Boot Linux faster! precision 24-bit sigma-delta (Σ-Δ) analog to digital converter (ADC). By connecting the amplifier to your microcontroller you will be able to read the changes in the resistance of the load cell, and with some calibration you'll be able to get very accurate weight measurements. You can get breakouts from eBay for a few bucks and there is example code in the OBEX. 1956. This 24-bit analog-to-digital-converter is extremely precise and is designed to read the very small changes in voltage that a load cell or scale produce. // myScale.setLDO(NAU7802_LDO_3V3); //The Qwiic Scale operates at 3.3V so we lower the LDO to this value. One thing I dont understand in nau7802_wr_byte() function is sending ack_poll(NAU7802_WR); , what does it do? If you're using the IC in a different setup, 2.4 to 4.5V is available. How to change the output color of echo in Linux. Then in the driver, in order to identify with the VendorID,ProductID structure as in the above example "nuvoton,nau7802", we have to make the following changes :- ... How can I profile C++ code running on Linux? If you're using the IC in a different setup, 2.4 to 4.5V is available. This device provides a complete front-end solution for bridge/sensor measurement such as in weigh scales, strain gauges, and many other high resolution, low sample rate applications. SparkFun has carried a similar product, the HX711 , for years. The SparkFun Qwiic Scale - NAU7802 is a small breakout board for the NAU7802 that allows you to easily read load cells to measure weight. The NAU7802 device is capable of up to 23-bit ENOB (Effective Number Of Bits) performance. Interesting part, broadly similar to the NAU7802, (also both in SO16N), with a quite simple serial interface. ) function is sending ack_poll ( NAU7802_WR ) ; //The Qwiic Scale NAU7802 Arduino Library is a fully featured for... Serial interface, what does it do fully featured Library for reading weights as well as configuring the IC Σ-Δ. 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