Previously all my work on OpenPlotter was done on an RPi3B+ installed in a PI-TOP3 development Laptop that featured a screen, keyboard, and proto board connected to the GPIO (Ref.1-Ref.10). I started with the basic installation, OpenCPN with GPS, OpenCPN with GPS & AIS, Marine Weather on GQRX, Sensors for Temp/Pres/Pitch/Heel/Compass Bearing and GRIB weather… Continue reading OpenPlotter – RPi4 – USBpwr
Category: Electronics
Electronics: Hardware, Simulation Software, Microcontrollers
RTL-SDR – V1/2/3 – USBpwr
Introduction In many applications, where ac power is not available, equipment must be operated off battery/solar systems. In these case, knowing your power requirements are critical. Recently, small inline USB power meters have become available and they can give you an immediate answer to this question (Ref.1). RTL-SDR – V1/2/3 Power Measurements I did a… Continue reading RTL-SDR – V1/2/3 – USBpwr
OpenPlotter – RPi4 Headless_a
Introduction Previously all my work on OpenPlotter was done on an RPi3B+ installed in a PI-TOP3 development Laptop that featured a screen, keyboard, and proto board connected to the GPIO (Ref.2-Ref.9). I started with the basic installation, OpenCPN with GPS, OpenCPN with GPS & AIS, Marine Weather on GQRX, Sensors for Temp/Pres/Pitch/Heel/Compass Bearing and GRIB… Continue reading OpenPlotter – RPi4 Headless_a
OpenPlotter – Sensors_b
Introduction In a previous post (Ref.1) we examined how to connect and detect a sensor module such as the GY-91 which is referenced in OpenPlotter documentation. This module has two ICs: an MPU-9250 motion detector IC and a BMP280 pressure/temperature IC. This gives us 11 variables: 3 x accelerometer, 3 x gyroscope, 3 x Magnetometer,… Continue reading OpenPlotter – Sensors_b
OpenPlotter – Sensors_a
Introduction In previous posts we examined how to install OpenPlotter (Ref.1), how to connect a GPS receiver (Ref.2), how to connect AIS (Ref.3), and how to receive VHF (Ref.4). In this post we will examine how to connect & detect a sensor module such as the GY-91 which is referenced in OpenPlotter documentation. This module… Continue reading OpenPlotter – Sensors_a