kopia lustrzana https://github.com/SP8EBC/ParaTNC
rodzic
2640158799
commit
b6c9c5de06
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@ -23,6 +23,7 @@ long experience with many different stations
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-> Separate watchdog IC.
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-> Optional Radiometrix BiM1H 500mW VHF transceiver tuned on 144.800MHz.
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-> The PCB mechanical design which fits into standard Mikrotik RB411 case.
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-> Supplied from single +12V...14V5 DC source using standard DC barrel jack.
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The main problem observed during long experience with meteo stations is RF
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feedback. Most sensors (like temperature, wind and humidity) needs to be
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@ -86,7 +87,16 @@ The connector itself repeats the Tapr (Muel) TNC-2 pinout which goes as below:
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Pin 5 - AF from TNC to Radio
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Pin 7 - AGND
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7. JUMPERS (Sketch not to scale!)
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7. Adjusting audio levels
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The ParaTNC controller has two trimpots mounted on PCB which may be used to
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tune the level of audio coming from/to the radio.
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The trimpot located close to the microcontroller is used to set the output signal
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level. The another one which is near right isolation transformer changes the
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input level and it is hooked up between the primary winding and DC-blocking
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electrolytic
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8. JUMPERS (Sketch not to scale!)
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-------------------------------------------------------------------------------
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| JP1 MS5611 sensor |
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@ -132,7 +142,7 @@ DHT22 - .1' connector for DHT22 humidity sensor
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==========
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8. CHOOSING BETWEEN RS485 AND RS232
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9. CHOOSING BETWEEN RS485 AND RS232
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ParaTNC controller has connectors for both 485 and 232 variant of RS standard.
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This doesn't automatically means that ParaTNC has two separate serial ports,
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this is still the same serial port from the microcontroller which just may
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