We are planning an Antenna design and build course on Saturday 12 March 2016 at House4Hack. During the course we will cover basic antenna theory and then build and test a high gain 5.8 GHz antenna suitable for FPV analog video. The course will start at 9:00 and we aim to finish at 14:00.
In this course, you will
- Receive a presentation on basic antenna theory (radio frequency propagation, impedance matching, coupler, filters, radiation patterns, gain etc)
- Build your own high gain dish mountable 5.8 GHz antenna (ideal for long range analog video) – complete with SMA connector and coax, ready to use (all material supplied as part of the course)
- Test the performance of your antenna by measuring the reflection and end-to-end transfer using a transmitter/receiver circuit
- Compare the performance of your antenna with other designs, like a patch and clover leaf antenna
This class is for anyone who understands the basics of the Arduino Single Board Microcontroller and wants to take their projects to the next level. You will learn to write sketches that fully take advantage of the capabilities of the Arduino. You will also learn new ways make your Arduino communicate with other devices.
As part of the course, you will build an Arduino weather station with temperature, humidity and pressure readings. Data get saved to a SD card and will also be displayed in real time on a LCD screen. A RTC will keep track of date and time.
Please note that this is an intermediate course and those attending are expected to understand the basics of the Arduino, i.e. the basic hardware, pin layout, basic programming with the Arduino IDE and connecting LED’s, switches and potentiometers.
Last time we went out to Golden Gate, Toby took his telescope with and it was lots of fun to look at constellations and planets and so on. One issue is that it is quite tricky to setup the telescope pointing at something interesting and then get someone else to also see it. So Toby suggested PiScope:
What is PiScope?
PiScope is a project we are busy with to do basic astrophotography using a RaspberryPi, PiCam and telescope. When it is done we hope to have autotracking via OpenCV working and at the moment can jog, take photos etc. It also has a neat little screen where everyone can see the object in question.
Lots of people pitched in to make this happen and was quite a fun project to work on – some woodwork, 3d design, printing, electronics, software all mixed together to make this work.
Want to build your own?
The 3d printed parts, code and so on is all on Github: https://github.com/tobykurien/pi-tracking-telescope
Here is the finished product:
We gave a talk at ScopeX 2015 and here is the presentation: http://www.house4hack.co.za/presentation/scopex/presentation/index.html