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 receive… ...

Armed with an Arduino and a RDA5807M FM radio module, T. K. Hareendran shows us how to ... Arduino’s (Uno R3) A4 (SDA) and A5 (SCK/SCL) pins are used for the I2C control, and the module is 3.3 V ...

This device won’t operate in the CB bands (down in 29MHz or so) or on AM. It operates up above 136MHz (136-170MHz, 200-260MHz, 400-520MHz) and transmits FM.

Arduino HamShield Hits Kickstarter To Communicate Using Amateur Radio Bands (video) 9:54 am June 30, ... and works great with any Arduino or Arduino compatible that supports Uno-style shields.

Both of the freestanding modules (NS73MFM transmitter, Arduino UNO) can be mounted to a breadboard and interconnected. Refer to the hardware setup and proceed. The simple code generates digital tones ...

Both the Arduino Nano and Uno can be powered via their integrated USB connectors. This automatically supplies regulated 5V power to the board, allowing you to use any USB-supported power source ...

11:02 am June 27, 2023 By Julian Horsey ... Arduino UNO R4 Minima – €18. Power, compatibility, and flexibility. The Arduino UNO R4 Minima comes equipped with the RA4M1 microprocessor from Renesas.

The Arduino UNO R4 boasts a 3x performance increase over the UNO R3 and , in addition, SRAM has been upgraded from 2kB to 32kB, and flash memory from 32kB to 256kB to support more complex projects.