Sometimes the best way to figure out how something works is to make a model of it. 3D-modeling software makes it possible to do the job in silico, and sometimes that’s enough. But to really... Read more
There’s no doubt that the RTL-SDR project has made radio hacking more accessible than ever, but there’s only so far you can go with a repurposed TV tuner. Obviously the biggest shortcoming i... Read more
Morse code unit for kids. Variable speed and different levels. My son goes to CUBS and has a special event coming up. This event is all about communicating with other Scouts/Cubs from around... Read more
Dear friends welcome to another Instructable! Today we are going to build an Internet Radio device with a big 3.5” display using an inexpensive ESP32 board. Believe it or not, we can now bui... Read more
The Calypso Wi-Fi Module is offered in 19 × 27.5 × 4 mm dimensions and can be operated in -40 to +85°C temperature range. It supports IPv4, IPv6 and common network applications like SNTP, DH... Read more
Building radio receivers from scratch is still a popular project since it can be done largely with off-the-shelf discrete components and a wire long enough for the bands that the radio will... Read more
Hi guys, my name is Pedro Castelani and I’m bringing you my first instructable: building a two way radio with arduino for, well, whatever you need it for. In this project, we will make... Read more
I’ve done some work with Arduino controlled cars, but the ones I’ve worked on have always been slow and methodical. This is great when learning arduino, but I wanted something a... Read more
Avnet a leading global technology solutions provider, today released the UltraZed-EV™ Starter Kit, providing designers with the core tools necessary to shape the future of advanced emb... Read more
Readers of a certain age will no doubt remember the external modems that used to sit next to their computers, with the madly flashing LEDs and cacophony of familiar squeals announcing your i... Read more
This Instructable describes a lower-cost, battery-powered wireless IOT sensor layer for my earlier Instructable: LoRa IOT Home Environmental Monitoring System. If you haven’t alre... Read more