Amateur Radio: FTDI USB to TTL Serial Adapter - 3.3V and 5V
Micro USB to 5V to 3.3V AMS1117 3.3V regulated power supply module USB to 3.3V module|module ams1117|module 5vmodule usb - AliExpress
Amazon.com: USB to TTL Serial 3.3V UART Converter Cable with FTDI Chip Terminated by 6 Way Header, Works with Galileo Gen2 Boards/BeagleBone Black/Minnowboard Max and More : Electronics
5 Pack) JacobsParts DC Boost Module 3V 3.3V 3.7V 4.2V Input 5V 2A USB Output 10W DIY Power Bank : Electronics
USB-TTL Module with 5V or 3.3V - ELECHOUSE
/TTL-232R-3V3.jpg "TTL-232R-3V3 FTDI, Future Technology Devices International Ltd | Cable Assemblies | DigiKey")
TTL-232R-3V3 FTDI, Future Technology Devices International Ltd | Cable Assemblies | DigiKey
SparkFun Breadboard Power Supply USB - 5V/3.3V - Pimoroni
USB To UART 5V/3.3V
Amazon.com: FTDI chip USB to 3.3v TTL UART Serial Cable, Wire end, 6ft, TTL-232R-3V3-WE Compatible : Electronics
Step-Down Module, CE009 5V to 3.3V DC-DC USB Power Supply Module Step-Down Buck Converter Module : Electronics
/i/691481/products/2019-11-26T15%3A59%3A01.155Z-usb-uart-single.jpg?1606306133 "FTDI FT230XS USB UART 5V / 3.3V from IndoPaLTa on Tindie")
FTDI FT230XS USB UART 5V / 3.3V from IndoPaLTa on Tindie
When 3.3v isn't actually 3.3v: USB to Serial adapters - YouTube
Gearmo USB to 3.3V / 5V TTL Auto sensing adapter : Electronics
DC-DC 5V to 3V 3.3V 4.2V 12V USB Buck Boost Power Supply Voltage Regulator Modul Sale - Banggood USA
USB to 3.3V TTL Converter
power supply - 5v and 3.3v from 2xAA and/or USB - Electrical Engineering Stack Exchange
Buy USB to TTL CH340 Module CH340G 3.3V 5V switch with STC Microcontroller Download Cable USB to Serial at affordable prices — free shipping, real reviews with photos — Joom
/i/6183/products/2017-01-10T18%3A25%3A43.838Z-microUSB1.JPG?1606306133 "5V/3.3V USB Breadboard Power Adapter from Bot Thoughts LLC on Tindie")
5V/3.3V USB Breadboard Power Adapter from Bot Thoughts LLC on Tindie
Breadboard Power Supply 5V / 3.3V Dual Voltage
USB To RS232 TTL CH340G Converter Module Upg 5v 3.3v Serial Port Module PL2303 | eBay
AK-USBSUPPLY – 3.3V and 5V Power Supply From USB | Artekit Labs
Portable Supply Derives +5V and +3.3V Power from USB Port
USB to 3.3V 5V TTL Adapter RS232 to TTL Converter
![Adafruit Trinket - Mini Microcontroller - 3.3V Logic [MicroUSB] : ID 1500 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/1500-06.jpg "Adafruit Trinket - Mini Microcontroller - 3.3V Logic [MicroUSB] : ID 1500 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits")
Adafruit Trinket - Mini Microcontroller - 3.3V Logic [MicroUSB] : ID 1500 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits
