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In the last post (Internet Threats) I covered some real threats at a high level. Now lets talk about what you can do to reduce the threat. Internet Browsing Regardless of the browser you use, IE, Chrome, Safari, or something else, you should NEVER use the browser’s “remember my password” feature or save any personally…
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Have you ever had your Facebook page hijacked? Ever gotten replies or bounced messages for an email you know you never sent? What about losing access to your email because someone changed the password without you knowing? The last thing most of us want to think about is the risks we face when browsing the…
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Pandemics, viruses, quarantines, and vaccines have become part of everyday conservations for many. However, it was only after having discussions with our grandkids about being out of school because of COVID-19 that I realize that these same terms had become embedded in their vocabulary as well. Because of their interests, I made a series of…
Read More Covid-19 – Grandpa’s ScienceSix words I’ve heard a lot these past several days are “No Grandpa, let me show you.” And here I thought that as Baby Boomers we knew more than a four-year-old. Unspecting Baby Boomers Julie and I are watching our ‘almost two’ and ‘almost five’-year-old grandkids while their parents take a well-earned vacation. Amongst the…
Read More Technology… huh?So I had a challenge that required me to keep running up and downstairs as I was troubleshooting a new project. I’m having a problem with a temperamental water heater and decided to monitor it remotely. I have a photo-resistor taped to the water heater’s status LED and I use an Arduino Nano to capture…
Read More PlatformIO for Arduino on Linux Command LineOn Raspberry PI I use the WiringPi library for both C and Python development. Below is an example of cycling through three GPIO pins to light up a set of LEDs. GPIO 17 – Pin 6 maps to the WiringPi logical pin 0 GPIO 22 – Pin 7 maps to the WiringPi logical pin 2…
Read More Raspberry PI GPIOGateway Node The weekend is here and another chance to start poking around with my new RFM69HWs. Here’s my plan. I initially want to get the gateway node connected to a Raspberry PI in my basement via I2C. (I know, there’s probably an easier way, but, hey – I’m doing this for fun and to…
Read More Wireless RFM69HW – Part IIA week ago I got a set of HopeRF Anarduino Mini RFM69HW boards in the mail. These boards are similar to an Arduino Pro Mini but have a RFM69HW wireless module mounted on them. They’re reportedly 100% Arduino IDE compatible and run at 8Mhz. The 6-pin header interconnect is an unpopulated set of six IO…
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