I have a question about the precision/accuracy of my GPS. I use the adafruit ultimate gps breakout. Datasheet sais it has an 1.8m position accuracy. gpsd-class uses some estimated errors. For instance altitude estimated error seems usually to be about 15m. I don't get it... What is now the accuracy?...

paulie wrote:http://www.satsignal.eu/ntp/Raspberry-Pi-NTP.html

Thanks for the quick response.

I've checked the url but there's a hell of a lot information there.

I think there must be a much quicker/easier/obvious explanation to set the time with my rtc/gps?

Hello, there's a lot of discussion about setting the time on your pi but I do not find a satisfying answer. I have the adafruit ultimate GPS breakout connected to my pi. It is RTC battery-compatible. I have a bicycle, attached with a few sensors + the GPS. I use an external battery to power my pi. I...

Hello, I have a bicycle, a rpi and an arduino. The arduino is connected serially with my rpi. There's a speed sensor attached to the arduino. Every time a magnet passes the sensor, the arduino sends the speed to the pi (with timestamp). There's a accelerometer+gyro attached to my pi (mpu6050). Every...

Would it be simply like this, with after the if-statement all my code? import RPi.GPIO as GPIO import time GPIO.setmode(GPIO.BCM) GPIO.setup(18, GPIO.IN, pull_up_down=GPIO.PUD_UP) while True: input_state = GPIO.input(18) if input_state == False: print('Button Pressed') time.sleep(0.2)

Hello, I'm working on a project where I use several sensors. I've written several programs to log the data. Since the Pi is put on a bicycle when it's collecting data, there is no screen or mouse or keyboard. I would like to install a push button. When the button is pushed, the programs have to star...

Hello, I'm turning my bike into a bike rested with several sensors. They are attached onto my rpi(model b+) or arduino uno (serially connected with rpi). The purpose of everything is that I can make a ride with the bike and store all the data i want (like speed, acceleration..) to my rpi sd-card. I ...

joan wrote:Can't see much difference between this and http://www.raspberrypi.org/forums/viewt ... 37&t=92221

This is a summary of what I know thanks to among other you.
I thought it would be useful to summarize it and put it here...

Hello, I'm a last-year engineering student. For my thesis I need to build an electric bike equipped with all kinds of sensors. It is the intention to go for a ride and analyze the desired data (current, speed, acceleration , power,...) afterwards. I will work with a Raspberry Pi and store the data o...

Thank you! The desire to log the data to a smartphone or tablet is rejected. It is enough to check the data after the bicycle tour. I am trying things out with an accelerometer/gyroscope: MPU6050 How does the arduino send the data to the rpi? Will a simple USB connenction between the rpi and arduino...

Thank you.

Do you think I can realise this project without the Arduino?
What is the benefit of the Arduino in this project?

Hello, I'm a last-year engineering student. For my thesis I need to build an (electric) bike equipped with all kinds of sensors. It is the intention to go for a ride and display the desired data (steering angle, power,...) on a tablet / smartphone. After lots of searching on the web, i found a possi...