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by martinm
Sat Jan 19, 2013 12:57 pm
Forum: Beginners
Topic: Using PIN17 as UART RTS / alternative GPIO functions
Replies: 12
Views: 14143

Re: Using PIN17 as UART RTS / alternative GPIO functions

I am using the TX/RX pins The picture shows how I connected the PI to the UART / RS485 converter TX --- DI RX --- RO GPIO 17 (ALT 3 funktion RTS) --- RTS I ran bcm2835_gpio_fsel(17, BCM2835_GPIO_FSEL_ALT3); using the bcm2835 C library and afterwards tried doing the communication with Python and pyse...
by martinm
Sat Jan 12, 2013 12:35 pm
Forum: Beginners
Topic: Using PIN17 as UART RTS / alternative GPIO functions
Replies: 12
Views: 14143

Using PIN17 as UART RTS / alternative GPIO functions

Hi, I'm trying to get my PI to talk to some solar inverters via RS485. At first I was using USB to RS232 cable + RS232 / 485 converter which was basically working but resulted in crashes of the raspberry (I guess because of the well-known FTDI bugs). Because of that what I want to do is to directly ...
by martinm
Sun Dec 30, 2012 7:49 pm
Forum: General discussion
Topic: Which WiFi adapter
Replies: 6
Views: 1796

Which WiFi adapter

Hi guys, for my current project I need the Raspberry to be running 24/7 connected to my network via WiFi. I used 2 different adapters, but none of them worked for more than ~12 hrs before spamming the syslog with strange errors.. (One of them I even bought at modmypi). Is there anybody successfully ...
by martinm
Sun Dec 16, 2012 6:40 pm
Forum: Troubleshooting
Topic: Wifi disconnects after a random amount of time
Replies: 10
Views: 25107

Wifi disconnects after a random amount of time

Hi guys, I'm using the raspberry pi (256 MB Version) with this Wifi adapter Bus 001 Device 005: ID 148f:5370 Ralink Technology, Corp. RT5370 Wireless Adapter https://www.modmypi.com/shop/raspberry-pi-accessories/wireless-USB%20-1N-nano-adaptor-802.11N-(WiFi-dongle) and this USB hub as a power supply...

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