Amazon.com: USB Programmer Module CH341A Series Burner Chip 24 EEPROM BIOS LCD Writer 25 SPI Flash USB to TTL 5V-3.3V : Electronics
Parallel Ports Converter Module, Convertor Board 3.3V/5V Output Voltage USB To UART I2C SPI Interface For Industrial - Walmart.com
USB-I2C/SPI/GPIO/PWM/ADC Interface | $19.10 to $89.40
Total Phase Beagle I2C/SPI/MDIO | Bus Protocol Analyzer
USB to I2C/IIC/SPI/UART/TTL/ISP Adapter Module EPP / MEM Parallel Port Converter For Serial Brush Debugging
Amazon.com: Stemedu USB to ESP8266 ESP-01 Serial Wireless Transceiver 4MB SPI Flash WiFi Module ESP-01S Prog WiFi Programmer Downloader CH340C Chip with Reset Button : Electronics
CSR USB SPI Programmer,USB-to-SPI Converter For Debug Manufacturers and Suppliers - Wholesale Products - FEASYCOM
BusPro-S SPI Exerciser - Bus Analyzers and Exercisers
CSR USB-SPI programmer
Adafruit FT232H Breakout (USB to GPIO, SPI, I²C) | Elektor
Amazon.com: EC Buying FT4232HL 4 Channel USB to Serial Adapter FTDI FT4232 UART SPI I2C JTAG RS485 RS422 RS232 to USB High-Speed Multifunction Serial Adapter Module Support Multi Systems for Windows XP
UTS2210 USB to SPI SPI Master HID device MCP2210 - AliExpress
USB Port Converter Module, USB To UART IIC SPI TTL ISP EPP MEM CH341A Chip USB Serial Port Adapter With Working Status Indicator For Program Debugging - Walmart.com
Embedded Adventures - Products - MOD-1013 MCP2210 USB to SPI module
Amazon.com: USB to JTAG UART Module, USB to Serial Port Module, High Speed USB to JTAG UART/FIFO SPI/I2C, Multifunction USB to FIFO SPI/I2C Module, with 3Pin Header : Electronics
CH341A USB To UART IIC SPI TTL ISP EPP/MEM Parallel Port Converter Module Onboard Operating
USB SPI Slave Breakout Board from Earth People Technology on Tindie
UTS2210 USB to SPI SPI Master HID device MCP2210/ | eBay
Amazon.com: WSDMAVIS 1Pcs CH341A USB to I2C IIC SPI ISP UART TTL Serial Adapter EPP/MEM Parallel Converter Module : Electronics
iConnectivity : USB HOST TO SPI CONVERTER MODULE
Yocto-SPI - USB to SPI adapter (TTL 3.3V or 5V), driver-free