USB Programmer CH341A Series Burner Chip 24 EEPROM BIOS Writer 25 SPI Flash
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Adafruit FT232H Breakout - General Purpose USB to GPIO, SPI, I2C [USB C & Stemma QT] : ID 2264 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
UTS2210 USB to SPI SPI Master HID device MCP2210/ 573852473068 | eBay
PC-I2C/SPI/GPIO/ADC/PWM Adapter with USB interface
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Adafruit FT232H Breakout - General Purpose USB to GPIO+SPI+I2C
Parallel Ports Converter Module, Convertor Board 3.3V/5V Output Voltage USB To UART I2C SPI Interface For Industrial - Walmart.com
DLN-4S Multiprotocol Master & Slave Adapter
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BusPro-S SPI Exerciser - Bus Analyzers and Exercisers