![]() kevinmccalcin wrote a comment on Novena Laptop.Ken Yap wrote a reply on Feedback - Hackaday.io.Michael liked Multispectral imaging smartphone camera.def0def0 liked An open-source fermenter.danjovic liked Freeform Astronomical Clock.dpomparau liked LZRTag - Flexible DIY Lasertag.Niklas Hauber liked DIY Optical spectrometer / spectrograph.Creative World has added a new project titled Simple LED Blinking LED Light Circuit.Creative World has added details to Simple LED Blinking LED Light Circuit.Sumo on Flashing Booby-Trapped Cisco AP With OpenWRT, The Hard Way.JohnU on Flashing Booby-Trapped Cisco AP With OpenWRT, The Hard Way.Eric Chapin on Skull Lamp Illuminates The Cyberpunk Future.In the example below, we have mapped range into numbers 0-3. #Arduino switch case code#It will then select the matching case, and run the code listed under it before returning to the top and looping through the code again. Joshua on Cat9 And LASH Want To Change Your Linux Command Line When using a switch case, the program will take a variable, in the example below it is range, and compare it to several cases.Gregg Eshelman on Flashing Booby-Trapped Cisco AP With OpenWRT, The Hard Way.CRJEEA on Bare-Metal STM32: Setting Up And Using SPI.electrobob on Less Is More When It Comes To Sensor Power.Foxhood on The 2022 Supercon Badge Is A Handheld Trip Through Computing History.R1 is a 10k resistor that pulls Arduino pin 2 to GND. SparkyGSX on Bare-Metal STM32: Setting Up And Using SPI The following image is a circuit diagram of the previous two breadboard circuits.Posted in Arduino Hacks, Radio Hacks Tagged amplifier, arduino, diy, fm, LM4811, oled, PAM8403, radio, receiver, sh1106, TEA5767, tuner Post navigation We’ve shown some other radio projects using Arduinos and the TEA5767 IC in the past, such as this one on a tidy custom PCB, and this one built into an old radio case. There are so many resources available to us these days and standing on the shoulders of giants has always been a great way to see farther. It’s easier than ever before to quickly put together projects like this by connecting pre-built modules and downloading code from the Internet, but that doesn’t mean it’s not a worthwhile way to improve your skills and make some useful devices like this one. The enclosure is made from PVC panels, and accented with colored adhesive tape for style. The sound signal is passed through an LM4811 headphone amplifier for private listening, and a PAM8403 Class D audio amplifier for the built-in loudspeaker. An Arduino Due forms the heart of the project, controlling a TEA5767 module, an SH1106 128×64 pixel OLED display and a rotary encoder. The design is fairly straightforward, based as it is on another project that found on another site, but the build looks very slick and would take pride of place on any hacker’s workbench. has brought the idea right up to date by building an FM radio with an OLED display, controlled with a rotary encoder. Times have changed, but there’s still something magical about gathering invisible signals from the air and listening to the radio on a homemade receiver. Older hackers will remember that a crystal set radio receiver was often one of the first projects attempted. ![]()
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