As a standard feature of the Linux kernel, device tree overlays (DTOs) allow for easy enabling and configuration of features and drivers, such as those contained within the standard firmware of a ...

WiFi 6, Bluetooth 5.x LE, and an 802.15.4 radio for Zigbee, Thread, and Matter, as well as two 9-pin headers offering up to ...

The new Raspberry Pi Zero is generating a lot of discussion, especially along the lines of “why didn’t they include…?” One specific complaint has been that audio is only available through the HDMI ...

Raspberry Pi owners looking to use higher voltages with their mini PC, might be interested in this new opto-isolator board called the Opto-pi which has been specifically designed to be used with the ...

How much can you cram into a 2.6 in x 1.2 in circuit board? You'd presume not much, but the Raspberry Foundation is trying to prove you wrong. First, it added built-in Wi-Fi to its teeny Raspberry Pi ...

This application note presents the CS4201/CS4202 audio codecs, and how to implement headphone jack sensing using the GPIO (general-purpose input/output) pins. It briefly introduced headphone jack ...

This paper provides a complete solution to the GPIO Verification for any SoC. GPIO interface is available in every ASIC. To avoid duplicate efforts and (save) time to verify the GPIO interface, we ...

The 28c16 is an eeprom with 2048 bytes of storage. So, 11 address pins, 8 I/O pins, 3 mode pins and 5V and ground pins. Using just 6 gpio pins, my writer can write all 2048 bytes in just under a ...