USB to UART serial bridges
Communicating with an ATmega168 8-Bit AVR Microcontroller with UART | Custom | Maker Pro
CH9121 UART Serial Port to Ethernet Network Module TTL Transmission Module Industrial Microcontroller STM32 TCP / IP 51 3.3V 5V Gaodpz: Amazon.de: Business, Industry & Science
WiFi 8 Click | Mikroe
USB to UART serial bridges
SAM C21 Xplained Pro Guide Datasheet by Microchip Technology | Digi-Key Electronics
Amazon.com: Waveshare Serial UART TTL to Ethernet Converter Module Upgradable High-Speed Low-Power High-Stability UART to ETH Kit (3.3V DC or 5V DC) : Electronics
Amazon.com: USB to TTL Adapter, USB to Serial Converter for Development Projects - Featuring Genuine FTDI USB UART IC 'FT232RL' : Electronics
2pcs Yx5300 Uart Control Serial Mp3 Music Player Module Voice Serial Port Uart Control Module With Tf Card Slot For Avr/arm/pic - Integrated Circuits - AliExpress
Converting my 65C816 computer project to 3.3 V – Mike's Software Blog
Usb Ttl Serial Converter Adapter Module 5v 3.3v | Ft232 Module Usb Ttl Serial Uart - Pc Hardware Cables & Adapters - Aliexpress
Optically isolated USB to serial port 5V3.3V2.5V1.8V optically isolated USB to TTL serial port CH340 UART - AliExpress
USB Serial Port Adapter, Transmission 3.3V 5V USB to UART IIC SPI TTL ISP EPP MEM CH341A USB Port Converter Module Bus Communication for Data Acquisition : Amazon.com.be: Electronics
Amazon.com: YIOVVOM USB to TTL Serial Adapter, USB to Serial Converter for Development Projects - Featuring Genuine FTDI USB UART IC ¡®FT232BL¡¯ Chip Compatible with Windows 10 : Electronics
ATMEL ATMEGA8 VIA USB CONTROL CIRCUIT
Amazon.com : WiLoader: The Wireless (WiFi) Programmer for AVR & Arduino - 5V/3.3V AVR ISP + WiFi-UART Port ! : Electronics
1PCS Optically isolated USB to serial port 5V 3.3V optically isolated USB to TTL serial port CH340 UART - AliExpress
UART to RS232 Converter - RobotShop
Adafruit PCB design board Trinket 6-Pack - 3 x 3.3V and 3 x 5V Trinkets AVR® ATtiny ATtiny85 | Conrad.com
Nerd Ralph: AVR half-duplex software UART supporting single pin operation
UART to RS-485 converter - RobotShop
USB Key AVR Programmer | fabiobaltieri
