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Jack Purdum
You're right! I didn't look at the schematic to see if the Si5351 was using the I2C interface, which it is. My bad... Jack, W8TEE From: K5ESS <k5ess.nothdurft@...> To: [email protected] Sent: Wednesday, March 15, 2017 1:08 PM Subject: Re: [BITX20] Bitx40 another Raduino(?) problem Jack, I believe the A4 and A5 lines are already being used for the I2C to the SI5351.? Am I missing something? Mike K5ESS ? From: [email protected] [mailto:[email protected]] On Behalf Of Jack Purdum via Groups.Io Sent: Wednesday, March 15, 2017 11:32 AM To: [email protected] Subject: Re: [BITX20] Bitx40 another Raduino(?) problem ? Also note that Farhan wisely left A4 and A5 open as these are often used for the clock (SCL) and data (SDA) lines of the I2C interface. That foresight could come in handy later on... ? Jack, W8TEE ? From: matjaz via Groups.Io <matjaz_zejn@...> To: [email protected] Sent: Wednesday, March 15, 2017 12:19 PM Subject: Re: [BITX20] Bitx40 another Raduino(?) problem ? This is how to connect. * Though, this can be assigned anyway, for this application of the Arduino, we will make the following * assignment * A2 will connect to the PTT line, which is the usually a part of the mic connector * A3 is connected to a push button that can momentarily ground this line. This will be used to switch between different modes, etc. * A6 is to implement a keyer, it is reserved and not yet implemented * A7 is connected to a center pin of good quality 100K or 10K linear potentiometer with the two other ends connected to * ground and +5v lines available on the connector. This implments the tuning mechanism 73 Matjaz S56ZVD On Wed, 15 Mar 2017 17:06:39 +0100, "matjaz via Groups.Io" <matjaz_zejn=[email protected]> wrote: > Wednesday, March 15, 2017 3:46 PM? ? Re: [BITX20] Bitx40 another > Raduino(?) problem? ? > > Go to? > > The photo at the end of the section "Step 4: Volume Control" is correct, > follow that example. > > On Wed, Mar 15, 2017 at 04:11 am, matjaz wrote: >? I have a problem how to connect the 10k pot. on arduino board. > In this scheme it is not clear. > >? ? > > Links: > ------ > [1] /g/BITX20/message/23463 > [2] > mailto:[email protected]?subject=Re:%20Re%3A%20%5BBITX20%5D%20Bitx40%20another%20Raduino%28%3F%29%20problem > [3] > mailto:matjaz_zejn@...?subject=Re:%20Re%3A%20%5BBITX20%5D%20Bitx40%20another%20Raduino%28%3F%29%20problem > [4] /mt/4526026?uid=180494 > [5] /g/BITX20/post > [6] /g/BITX20/editsub?uid=180494 > [7] /g/BITX20 > [8] mailto:BITX20+[email protected] > [9] /static/tos > [10] /g/BITX20/leave/defanged ? |
