sensor

Hello, I'm building my quad from scratch. A friend bought a ready made one or ready to fly one that he uses to follow him in his boat when he fishes. It stays at a given height and distance while under way (offshore fishing). I asked him what sensor, etc... his quad had to do this but he didn't...

I successfully obtained data from my I2C device in Arduino: #include <Wire.h> ... Wire.begin(); ... // read function: Wire.beginTransmission(address); Wire.write(startAddress >> 8); Wire.write(startAddress & 0xFF); uint16_t numberOfBytesToRead = bytesRemaining...

I've read and seen in several videos that many guys put a piece of open-cell foam under their FC like Naze and others for more accurate barometric sensing. I don't know if this assertion is based on any factual information, or just basic tribal knowledge that has been passed down for better...