USB Dial Up Modem for Raspberry Pi | Big Dan the Blogging Man
Amazon.com: XYGStudy SIM7600G-H 4G HAT (B) for Raspberry Pi Zero/Zero W/PC, LTE Cat-4 4G / 3G / 2G Support GNSS Positioning Global Band Supports Wireless Communication Telephone Call SMS GPS Dial-up etc :
LabPi: Using a Raspberry Pi to help keep track of inventory in our chemistry research laboratory [x-post from r/raspberry_pi] : r/chemistry
Raspberry Pi Pico Multifunctional knob #3DThursday #3DPrinting « Adafruit Industries – Makers, hackers, artists, designers and engineers!
Raspberry Pi Pico Powers Hex Color Picker Input Board | Tom's Hardware
GitHub - prcutler/pi-dial: Pi-Dial includes two Python programs that can be used with a Raspberry Pi to control a zone of a Denon audio-visual receiver (AVR) with physical hardware.
4G/3G/2G/GSM/GPRS/GNSS HAT for Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+,Based on SIM7600E-H,support dial-up - AliExpress
Run Your Own Phone To Bring The Dreamcast Back Online | Hackaday
PiTelephone - Raspberry Pi retro rotary dial phone - YouTube