Posts from 2015-01

My own WhatsMyIP Service – Publicly available for everyone!

Today I'm launching my own "What's My IP" service. By accessing the address http://whatsmyip.reliable-ict.de you will get a text-only response containing only your (external) IP. This can be very useful to check if your internet connection works at all, to check IPv4/IPv6 connectivity, or to update your dynamic DNS...

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Netgear AirCard 762S (NETGEAR AirCard 4G LTE Mobile Hotspot)

Login / Web Interface

http://kb.netgear.com/app/answers/detail/a_id/23379/~/how-do-i-log-in-to-my-aircard-mobile-hotspots-web-ui%3F

  • Web UI Address: http://aircard.hotspot/
  • Web UI IP Address: 192.168.1.1
  • Default Admin Password: webadmin
  • Web address for shared microSD card: http://aircard.hotspot/dav//

Short Specs

  • Supports up to 100 Mbps download, up to 50 Mbps upload (LTE Category 3)
  • LTE 800/1800/2100/2600
  • HSPA+/HSPA 900/2100 MHz
  • Dual band 2G
  • WiFi 802.11 b/g/n
  • Dimensions: 97.5 mm x 57 mm x 15.7...

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Measuring and Logging the Outside Temperature (and Humidity) with FHEM

I bought the TFA 30.3155 (9.579 kbps).

JeeLink

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Installing FHEM on Arch Linux (ARM) – On a UDOO in my case

Here are the steps required to install FHEM on Arch Linux:

# We start by updating our system first:
pacman -Syyu
# We install 'make':
pacman -S make
# Now we create the user / group:  fhem / fhem
groupadd fhem
useradd \
  --system \
  --create-home...

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Arduino Due and the Atmel ATSAM3X8E

Pinout

Key parameters for ATSAM3X8E

Parameter Value
Flash (Kbytes): 512 Kbytes
Pin Count: 144
Max. Operating Frequency: 84 MHz
CPU: Cortex-M3
no. of Touch Channels: 32
Hardware QTouch Acquisition: No
Max I/O Pins: 103
Ext Interrupts: 103
Quadrature Decoder Channels: 2
USB Transceiver: 1
USB Speed: Hi-Speed
USB Interface: Host, Device
SPI: 4
TWI (I2C): 2
UART: 5
CAN: 2
LIN: 3
SSC: 1
Ethernet: 1
SD / eMMC: 1
Segment LCD: 0
Graphic LCD: No
Video Decoder: No
Camera Interface: No
ADC channels: 16
ADC Resolution (bits): 12
ADC Speed (ksps): 1000
Analog Comparators: 0
Resistive Touch Screen: No
DAC Channels: 2
DAC Resolution (bits): 12
Temp. Sensor: Yes
Crypto Engine: No
SRAM (Kbytes): 96
EEPROM (Bytes): 0
Self Program...

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