Our dryer has an annoying buzzer that frightens anyone who isn’t used to its piercing report. One of the first things I did when we moved in was to disconnect it. But there was a downside. The sound was a not so gentle reminder that the load was dry. Using…
Category: DIY
Beyond the horrors of interrogation and torture, lack of information about what’s happening on the outside is was a huge challenge for prisoners of war during World War II. Here’s how POW’s kept informed by making their own radios while in captivity.
Here’s something fun. Play around with circuit design using your favorite browser. Works best with basic circuitry. A good parallel to software solutions like Multisim & PSpice
For those without a D-STAR repeater in the neighborhood, the Raspberry Pi is a highly serviceable solution. With a number of SD Card images available and the ease of interface to the ubiquitous DVAP Dongle, talking digital is a breeze. Now comes the Raspberry Pi Zero, a $5.00 iteration that’s…
Here’s a useful link for those who may be wiring microphone cables.
Just launched on Kickstarter, NextThing’s CHIP is a $9 Linux PC with a 1-GHz R8 processor, 512 MB of RAM and 4GB of flash storage. It goes a step beyond the $35 Raspberry Pi with Wi-Fi and Bluetooth built in. NextThing also touts $49 Pocket CHIP, a handheld device for the CHIP with a470 x 272…
A cool technological topping to the Raspbery Pi. From the TNC-X.com website: “TNC-Pi is a special version of TNC-X designed to interface directly with the Raspberry Pi computer. It can connect to the Pi either via the Pi’s serial port, or via the I2C protocol. In the latter case, a…
Here’s proof that hams can figure out a way to use just about anything to get on the air. It’s not the most durable of antennae, but in a pinch, this accidental invention can work well. Want to know how and why it works? Here’s the answer.
Once upon a time, we built Heathkits and Knightkits and got our resistors, capacitors and solder from places like Allied, Radio Shack and Lafayette Radio Electronics. Allied has had a renaissance as a mail order parts retailer, but brick and mortar stores are fading into the sunset. Elecraft remains the…