These transducers demand careful installation. Here are tips for mounting one of the most popular transom-mount models, the Airmar P66 dual-frequency ’ducer (available with a speed and temp sensor) on ...

This yielded readings that were proportional to the car’s GPS speed ... sensor, and a BME280 for air pressure, humidity, and temperature. [Jianjia] plans to use the QingStation on an autonomous ...

(JR Kyushu) concealed water leakage into a high-speed ferry connecting ... with the alarm sensor. In light of the major safety concerns raised by the fatal sightseeing boat accident off the ...