Hi, two questions to ask:
1) on the Ports 4 firmware, in the reception part, I find the possibility to put/remove voltage on the F connector for eventual LNB; there is even a command for 18 Vol/horizontal. However, the command is not active. Is there a procedure to do to make it available or is it just a possible next upgrade?
2) is there a possibility to find a point (probably in the Raspberrry) to display (with voltage or other) the PTT status ?
Thanks to all, Luca IK0YY, Rome.
Two question for Ports 4
Re: Two question for Ports 4
Hi Luca,
Pin 40 of the GPIO is PTT indicator on Portsdown, I'm afraid I can't help with the other question as both my Minitiouners are connected to Rydes.
73 Dave.
Pin 40 of the GPIO is PTT indicator on Portsdown, I'm afraid I can't help with the other question as both my Minitiouners are connected to Rydes.
73 Dave.
...are you sure I can't use a pair of 813's?...
Re: Two question for Ports 4
Thanks Dave,
on pin 40 directly on Raspberry I have always 3.3 Volt (RX and TX) !
Thank you for your reply.
Luca
on pin 40 directly on Raspberry I have always 3.3 Volt (RX and TX) !
Thank you for your reply.
Luca
Re: Two question for Ports 4
Hi Luca
Pin 40 on the Raspberry Pi GPIO connector is set high when the Portsdown is set to transmit (after the LimeSDR calibration if using a LimeSDR), and goes low again at the end of the transmission.
Portsdown sends the LNB Voltage command to the LongMynd receive software. However, the MiniTiouner needs add-on hardware to provide the voltage. More details can be found at the bottom of this Wiki page: https://wiki.batc.org.uk/Serit_LNB_DC_supply
Dave
Pin 40 on the Raspberry Pi GPIO connector is set high when the Portsdown is set to transmit (after the LimeSDR calibration if using a LimeSDR), and goes low again at the end of the transmission.
Portsdown sends the LNB Voltage command to the LongMynd receive software. However, the MiniTiouner needs add-on hardware to provide the voltage. More details can be found at the bottom of this Wiki page: https://wiki.batc.org.uk/Serit_LNB_DC_supply
Dave