SparkFun’s “GPS-RTK pHAT” for the Raspberry Pi features u-blox’s 184-channel ZED-F9R module for ADR of up to 4x concurrent GPS, GLONASS, Galileo, and BeiDou links with 20cm accuracy when linked to an RTK base station. SparkFun has launched a $250 Raspberry Pi add-on board for “highly accurate and continuous position” in automotive, robotic rover, and […] // Read more: original article.
