M5Stack Core2 Review
Intro MakerFocus was kind of enough to send me a M5Stack Core2 to review. This is the latest ESP32 based 'core' product in their ever growing lineup. I'm not a big fan of unboxing videos, so I'm not going to spend time on this subject except to say that the packaging of the Core2 is well made. After cutting a small piece of adhesive, you can slide the plastic sleeve off of the box. Inside is the Core2 along with a short USB-A to USB-C cable. The box you'll want to keep because it's perfect to protect the Core2 when not in use. For those not familiar with Espressif System's ESP32, it's a line of highly capable MCUs based on a pair of Tensilica LX6 CPUs along with various amount of RAM, optional PSRAM and FLASH memory. The ESP32 has found its way into a large number of products mainly due to its WiFi and Bluetooth support. Many products use it as a subordinate processor just for its wireless support, but with 2 240Mhz CPUs, and 520K of RAM it's very