IoT Pi HAT
The Waveshare IoT Pi HAT is an incredibly versatile Internet of Things (IoT) development board for Raspberry Pi users. It integrates a wide range of IoT functionalities, including GSM/GPRS/EDGE/LTE-M/NB-IoT connectivity, GPS/Beidou/Glonass positioning and sensing, an array of wireless connection protocols, and wide range of analog and digital I/O. Its compact size makes it ideal for embedded applications and wearable device designs. Additionally, it offers an additional 4MB flash memory and a selectable power module, enabling usage in a wide range of scenarios. This product comes with an LGA packaged ESP32 - Wrover, an 8 Mb Flash memory, a SIM card slot and more.