USB TTL Decision Matrix

URL

Product

https://www.amazon.ca/DSD-TECH-Adapter-FT232RL-Compatible/dp/B07BBPX8B8/ref=sr_1_7?keywords=usb+ttl&qid=1696283626&sr=8-7

https://bc-robotics.com/shop/usb-to-ttl-serial-cable/

https://www.amazon.ca/DSD-TECH-SH-U09C5-Converter-Support/dp/B07WX2DSVB/ref=sr_1_8?keywords=usb+ttl&qid=1696283626&sr=8-8

https://www.adafruit.com/product/954

https://www.amazon.ca/DTECH-Serial-Adapter-FT232RL-Windows/dp/B08G1JLMGK/ref=sr_1_5?crid=1G784U7WPZOVD&keywords=usb%2Bttl%2B6%2Bpin&qid=1696288083&sprefix=usb%2Bttl%2B6%2Bpin%2Caps%2C91&sr=8-5&th=1

https://www.amazon.ca/DTECH-Serial-Adapter-Prolific-Windows/dp/B08G1JTN4N/ref=sr_1_6?crid=1G784U7WPZOVD&keywords=usb%2Bttl%2B6%2Bpin&qid=1696288083&sprefix=usb%2Bttl%2B6%2Bpin%2Caps%2C91&sr=8-6&th=1

Price (USD)

Lower is better (need to buy 3)

$15.49 (x3 is $46.47)

Amazon Prime available so 1-day free shipping (plus 1 year warranty)

Only 1 left in stock at the time of writing this

$12.95 (x3 is $38.85)

$2 shipping, 2-14 business days

$19.99 (x3 is $59.97)

Amazon Prime available so 1-day free shipping (plus 1 year warranty)

$13.61 CAD (x3 is $40.84)

$31 DHL shipping, 1-3 business days

$20.98 (x3 is $62.94)

Amazon Prime available so 1-day free shipping

$9.99 (x3 is $28.97)

Amazon Prime available so 1-day free shipping

Voltage

Doesn’t matter since we will cut off power wire anyways?

Supports 3.3V and 5V output

3.3V & 5V Logic Compatible

Support 5V 3.3V 2.5V 1.8V

-

5.0 V

3.3V

Dimensions (L x W x H)

-

5.6 x 2 x 0.3 cm

92cm (36”) cable

‎3.81 x 1.02 x 0.38 cm; 5.67 Grams

36” cable

3ft (92cm/36”) cable

3ft (92cm/36”) cable

Additional Specs

-

FTDI FT232RL chip
6PIN DuPont cable
3Mbps

Serial Adapter

4 individual connectors

FTDI chip
4 PIN DuPont cable

Serial Adapter

SiLabs chip

4 individual (separated) connectors

FTDI FT232 chip

6 pin Female Socket Header

Prolific PL2303TA chip

4 pin Female Socket flying leads

OS Compatability

-

Windows (11, 10, 7) and Mac OS

-

Windows (XP, 7,8,10), Ubuntu (11.10), kernel (3.0.0-19), Mac OS (X 10.3 to 10.8), Mac OS X (10.9 and above)

Windows 7/8/10, Mac OS X, Linux

Windows 11 10 8 7 Linux Mac

Windows 10 8 7 XP Vista

Decision

TBD

Decision reason

No cable

Cheaper and has individual connectors

No cable and too expensive

Too expensive including shipping

6-pin connector and longer cable but more epensive

Cheapest and meets criteria

Longer cable option available