Amazon.com: WITMOTION USB-UART 6-in-1 USB to Serial Converter, Multifunctional (USB to TTL/RS485/232, TTL-RS232/485, 232 to 485), Universal Adapter Module with CP2102 Compatible with Windows 7/8/10,Linux, Arduino : Electronics
Amazon.com: DTech USB to TTL Serial 3.3V Adapter Cable TX RX Signal 4 Pin 0.1 inch Pitch Female Socket PL2303 Prolific Chip Windows 10 8 7 XP Vista (6ft, Black) : Electronics
Amazon.com : Fully Dedicated Automatic TTL Flash for Canon DSLR Cameras Including EOS Rebel T3, T3i, T4i, T5, T5i, T6, T7, T6i, T6s, T7i, SL1, SL2, EOS 60D, 70D, 77D, 80D, 5D
Amazon.com : MEKE MK-14EXT-N I-TTL Macro Ring Flash Compatible with Nikon D7100 D7000 D5200 D5100 D5000 D3500 D3200 D3100 D90 D300S D600 with LED AF Assist Lamp : Electronics
Amazon.com : Godox TT350F 2.4G HSS 1/8000s TTL GN36 Camera Flash Speedlite for Fuji Cameras X-Pro2 X-T20 X-T2 X-T1 X-Pro1 X-T10 X-E1 X-A3 X100F X100T with Color Filters and Cleaning Cloth :
Amazon.com : YONGNUO YN622C-KIT Wireless E-TTL Flash Trigger Kit, with LED Screen for Canon, Including 1X YN622C-TX Controller and 1X YN622C II Transceiver : Electronics
Amazon.com : Voking VK750II TTL Camera Speedlite Flash Compatible with Nikon D3500 D3400 D3300 D3200 D3100 D5600 D7100 D7200 D5300 D5500 D500 D850 D750 and Other DSLR Cameras : Electronics
Amazon.com : Profoto Air Remote TTL-N : Electronics
Amazon.com: Songhe TTL to RS485 Module 485 to Serial UART Level Mutual Conversion Hardware Automatic Flow Control Module TTL Turn to RS485 Module 3.3V-5.5V (5pcs) : Electronics
Amazon.com : Profoto Air Remote TTL-C : Electronics
Amazon.com : PHOLSY I-TTL-Off-Camera Flash Sync Cord for Nikon DSLR - 6.5' (2 m) Replaces Nikon SC-28 : Electronics
Amazon.com : Godox X2T-C TTL Wireless Flash Trigger for Canon, Bluetooth Connection, 1/8000s HSS,5 Separate Group Buttons, Relocated Control-Wheel, New Hotshoe Locking, New AF Assist Light : Electronics