This development board for the ESP32 is one of the densest boards I’ve seen on the Tindie front page – the number of features packed into such a compact board is awesome! Beyond holding the ESP32-WROOM package and the CH340 to program and communicate with it, you also get a huge number of optional peripherals that can be added as needed.
Some of the attractive features for building IoT devices include the high-efficiency DC/DC converter that can accept from 5-9V to power the whole board; a real-time clock with coin cell battery backup; headers to accept a GSM module which allows remote communication when WiFi or Bluetooth aren’t available; positions to fit a 433MHz radio module for communication on the ISM band (in North America, it’s 902-928MHz); the list just goes on and on!
The board can optionally connect to a user interface board which can have a TFT display and push buttons fitted. At around 8x8cm, the board is small enough to fit just about anywhere you might want to put it!
Note that this product is just the PCBs — though the seller hints that fully populated boards might be available in the future, which would be a great option for getting a fully working ESP32 prototype platform up and running quickly!
