Sony Spresense LTE Extension Board with Global SIM Card Raspberry Pi Power Monitoring HAT 3V logic by simply soldering

3V logic by simply soldering a jumper

and tutorial

and supports LVGL library

This board is a super-hero chip in a tiny package

Sony Spresense LTE Extension Board with Global SIM Card Raspberry Pi Power Monitoring HAT 3V logic by simply solderingThe Sony Spresense LTE Extension Board enhances the Spresense main board by adding LTE connectivity with an onboard antenna and a nanoSIM cardholder. This extension board expands the main board's interfaces by providing multiple microphone inputs, a headphone jack, and a microSD card slot. It connects seamlessly to the Spresense main board using a board to board connector. Designed with the Sony ALT1250 chipset, it supports LTE M (LTE Cat M1) and NB