Notes on how to port ESP32 code to ESP32-C3. Based on ESP-ADF ES8388 driver code ported to work with ESP32-C3 audio applications.
Using Winbond W25N01 with ESP32 and STM32 can be tricky given how much it differs from regular NOR flash like W25Qxx.
Here is a tiny, low power and accurate I2C sound level sensor module for Arduino, ESP32, and others. Read sound level in A-weighted decibels.
The new PCB Artists I2C methane sensor module is based on Figaro TGS2611. The sensor is compatible with ESP32, Arduino, Raspberry Pi, etc.
This article contains code and documentation for interfacing the PCB Artists ZMOD4510 module with STM32 MCU to read outdoor air quality index.
Detailed notes on which ESP32 ethernet PHY options are supported by the most recent ESP32 Arduino releases and ESP-IDF.
With example code, this article covers ESP32 SIM7600 4G LTE cellular modem interfacing using Arduino IDE. Hardware used is ESP32 Gateway.
News and Updates on the ESP32 4G Gateway Gen.1 which features a 4G LTE modem, ethernet, RS485 and solar power with a battery charger.
ESP32 PPPoS modem “esp_modem_dte_send_cmd(): process command timeout” error, causes, and some solutions that work with SIM7600 and A7670.
This article lists and compares the cost and performance of various common and low cost methane sensor solutions available in the market.