Waveshare GSM/GPRS/GNSS/Bluetooth HAT for Raspberry Pi CD4504 - Hex Voltage Level Shifter IC and Zero models

and Zero models

11 GPIO Pins: Versatile I/O supporting digital read/write

2V different from others after balancing

8V to 20V to match your exact requirement

2V (wet) to ~2

Waveshare GSM/GPRS/GNSS/Bluetooth HAT for Raspberry Pi CD4504 - Hex Voltage Level Shifter IC and Zero modelsWaveshare GSM GPRS GNSS Bluetooth HAT for Raspberry Pi Waveshare GSM GPRS GNSS Bluetooth HAT for Raspberry Pi This is a Waveshare GSM GPRS GNSS Bluetooth HAT for Raspberry Pi. This is a handy, low power Raspberry Pi HAT that features multi communication functionalities: GSM, GPRS, GNSS, and Bluetooth. It allows your Pi to easily make a telephone call, send messages, connect to wireless Internet, global position, transfer data via Bluetooth, and so on.