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by nickajderian
Wed Jan 23, 2013 9:25 pm
Forum: Networking and servers
Topic: Huawei E3131 on Wheezy
Replies: 44
Views: 183289

Re: Huawei E3131 on Wheezy

Works fine with a new Huawei E3231 Dongle.
Amazing knowledge, thank you very much for taking the time to share it!
by nickajderian
Mon Jan 14, 2013 4:11 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: Voltage limit input from (input-only) serial device
Replies: 2
Views: 708

Voltage limit input from (input-only) serial device

Hi, I'm trying to use pis to read data from RFID readers. This particular reader has a 9600 baud serial output. It uses a non-standard 9D connector with 5V power going in on pin 7, the serial data coming out on pin 2. Pin 5 is ground. I put a scope on pins 2-5 and it looks like a +/- 6v signal. Can ...

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