If you want to put together an inexpensive IoT project, the ESP32 is one of the top choices for microcontroller.With WiFi, Bluetooth, and the option for dual cores, a lot of power is packed into a small chip.Add on an LTE Cat 1 module for long-distance communication, a battery connector and charge management, and USB-C for easy powering and programming, and you’ve got this very nice module from Glow Gun.
An ESP32-S3 packing dual-core Xtensa cores at 240MHz provides the horsepower, and the common ML307R module adds LTE capability for communication with cloud services when out of range of WiFi.Also on board are a microphone and amplifier, with a header to attach a speaker for audio playback, a Neopixel, and a header to attach an OLED display.Whether you want to record and analyze bat sounds, or simply make a home automation panel that hides behind your bathroom mirror, or even control a remotely operated vehicle of some sort, this module is flexible enough to do just about anything.
With wide development environment choices from CircuitPython to Lua to C++ to even the built-in ROM BASIC you’re bound to find a way to complete your project with style!
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