STM32 “USB device not reognized” and “failed to read USB device descriptors” are very common issues. We list the most common solutions here.
A tutorial on selecting an STM32 audio codec interfacing – selecting an STM32 MCU, assigning I2S peripheral and running audio examples.
Here are some design specifications and guidelines worth keeping in mind when making your own custom RP2040 PCB design.
Article on interfacing a load cell with the ESP32 gateway and industrial controller from PCB Artists. Includes example code snippets.
ESP32 multiple antenna designs can be good in long range applications and where link quality is important, for example, in wireless audio.
An illustrated article on chip antenna PCB layout with focus on 2.4 GHz WiFi and Bluetooth antennas. Applicable to ESP32, ESP8266, nRF52, etc.
A demo of ESP32 MP3 audio playback using the PCB Artists ES8388 module. The MP3 file is fetched from an SD card connected to the ESP32.
Some useful MIPI DSI PCB layout notes, guidelines and tips for MIPI DSI systems. Applicable to MCUs such as STM32 and STM32MP1.
SDRAM swapping rules for bit and byte swapping are not usually described clearly for slow SDR memories. Here are some rules for SDRAM chips.
An ESP32 Bluetooth audio player demo project based on the PCB Artists ES8388 and Espressif ESP-ADF framewor