HC-05 Bluetooth – setup and troubleshooting

Setup and troubleshooting HC-05 Bluetooth module with Arduino, especially the annoying reverse question mark problem.

Setup and troubleshooting HC-05 Bluetooth module with Arduino, especially the annoying reverse question mark problem.
A book from a friend: great stuff, help reach some stretch goal! Arduino™ is the world’s most popular tool, used every day by millions of people, to experiment and learn electronics with hundreds of different components; from the basics like buttons and LEDs, to complex devices like digital interfaces and advanced graphic displays. The nightmare…
The Blooper is an open-source USB looper that brings back the null modem concept for modern USB-C connections, enabling UART serial debugging, device emulation, and network-free file transfers between two hosts.
It’s Christmas time! And what about an hi-tech Christmas? Build your bluetooth-controlled Christmas ornaments! More info Build it yourself Boards, sensors and kits for projects like this one. Browse the shop
The Autonomous Rover travels from one location in my house to another location in my house, with no help from a human. I designed it to experiment in robot autonomy. To perform its task, the AR (short for Autonomous Rover) integrates three major capabilities: Localization — determines its current location in its environment Navigation — determines the…
If you create PCB with SMD components or you are a repairman you surely know how important and convenient a hot air soldering station is. With this project, you will be able to learn how to make a hot air gun controller using Arduino and other common components. This project uses an 858D compatible air…
Rethinking the popular Arduino: compared with the latter, it adds the implementation of the Fishino architecture, along with WiFi connectivity, a battery charger, etc… As we anticipated in the article in which we presented our Fishino MEGA (a board that is compatible with Arduino MEGA, and that is characterized by a great number…
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