Author: johnnywmccown
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Used Components Can See New Life
One man’s trash is another man’s treasure. Before throwing away some old parts, books, or magazines ask around to see if any one else would want it.
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DIY Air Variable Capacitor Part 1
Published on Sep 7, 2013 – Today at Think Schematics we are cutting the rotor and stator plates for a Air Variable Capacitor using a CNC router. The plates we designed using CamBam and then transferred to the CNC that is running EMC2 (now known as Linux CNC).
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Printed Circuit Board (PCB) Jig for CNC Router
This is my first project with my new CNC Router (v3.0). This is a jig to hold PCBs as they are being etched. The PCBs will be held down by double face fiberglass carpet tape.
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Screwdriver Antenna Controller
Dell-Ray and I are currently building an Arduino-powered screwdriver antenna controller. Check out our current status on Facebook!
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Electronic Workbench
Every ham radio operator that builds equipment needs a work bench. Here I am throwing some ideas together. I will post more when I start building the bench.
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Computer PS to a Bench-top PS
Buying a Raspberry Pi, I needed a USB power supply. So, I am converting a old computer switching power supply to a bench top power supply that I can use to power my small projects.
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Remote Radio Station
Living in Europe I have had small yards or gardens. This has made me thing more about Remote Radio Stations. Also, it might be best to have your receiver in a location where there is less noise on the bands for local switching power supplies.
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SoftrockSDR Ensemble RXTX using HDSDR
SoftrockSDR Ensemble RXTX using HDSDR – 00:02:51 – Uploaded Jan 29, 2012 Caution the audio is a bit loud…still need to install my video editing software. I just finished the receive section, still need to build the transmit section. Once I get the transmit section completed I will upload another video…don’t worry it will have…
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Electronics of my First CNC
This is an old post of mine about the electronics in my CNC. At first I was having problems getting motors to turn, and then latter I was having problems getting the limit switches to work. Let me know if you have any basic questions about EMC2, I might have the answer.
