antennas
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antennas [2015/11/20 21:25] – schneider | antennas [2015/12/31 19:14] (current) – [Temporary] liooo | ||
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=== Temporary | === Temporary | ||
To improve radio reception a little bit you can just press a thumb against the upper right corner and be a human antenna. | To improve radio reception a little bit you can just press a thumb against the upper right corner and be a human antenna. | ||
- | The most simple real external antenna is a single-wire copper cable (others may also work). This can be pressed against an edge of the little black resistor on the top right corner. | + | The most simple real external antenna is a single-wire copper cable (others may also work). This can be pressed against an edge of the little black resistor on the top right corner:\\ |
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The SMA connector should be an edge-launch SMA connector for a PCB thickness of 1.6mm (see [[extension: | The SMA connector should be an edge-launch SMA connector for a PCB thickness of 1.6mm (see [[extension: | ||
- | Resistor turned 90 degrees | + | Resistor turned 90 degrees:\\ |
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- | Alternative: | + | Alternative: |
{{: | {{: | ||
- | Using a soldered copper cable as antenna: | + | Using a soldered copper cable as antenna:\\ |
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- | Adding an SMA connector so that you can connect an external antenna for your specific needs. | + | Adding an SMA connector so that you can connect an external antenna for your specific needs:\\ |
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- | **WARNING: When soldering, don't connect the unpopulated large pads right below the antenna pads to the pads, this may result in blue smoke!** Best to check right after soldering, we did find a few cases of barely visible connection. | + | **WARNING: When soldering, don't connect the unpopulated large pads right below the antenna pads to the pads, this may result in blue smoke!** Best to check right after soldering, we did find a few cases of barely visible connection.\\ |
+ | {{: | ||
== Building an external antenna | == Building an external antenna |
antennas.1448054720.txt.gz · Last modified: by schneider