the most obvious things to remove are a number of the interfacing components like the USB to UART chip and the JTAG interface. The ESP32 has USB capabilities built in, so the data lines from a USB ...

Adafruit has announced the availability of the ESP32-S2 WROOM Module with PCB Antenna equipped ... that require USB connectivity, such as data logging, USB-to-serial converters, and more.

He’s written a nice Instructable on a Temperature Data Logger that he has built and thankfully ... accurate timing as well as an SD Card Module which is used to store the data collected.

RAKwireless RAK11160 is a new low-cost, low-power LoRaWAN, WiFi 4, and Bluetooth LE module based on ESP32-C2 (ESP8684) and ...

The latest module is even more powerful than the WROOM-32 and is equipped with a 8MB PSRAM chip when you need extra data buffering although the core processing chip (ESP32) and SPI Flash (4MB ...