Clock speed? Chipset?

The chipset is in the description, it is the FTDI FT232rl, it is internally clocked so there is no easy way to know what it is set to. If it helps I have personally run this unit at 115Kbps

The ESP8266 Wi-Fi chip uses 3.3 vdc. With switch set to 3.3 volts on the programmer can you directlyTx and Rx to the ESP chip without level shift?

Yes. I've been programming numerous ESP8266 versions with this. No level shifting required

Can it be powered via vcc and via usb at the same time?

While I have never done it, I only use it to program pro minis, it should be fine as long as it is under 500 mah, matches the 3.3/5v and shares the ground. I still think it would be best to program it only under USB power if possible though. At worst the fuse is tripped but that's what it is there for. If you ordered from me and do this, let me know your results. If it damages your board, please get in touch to get a no cost replacement.

Gave up. can anyone get this to work? even tried with term emulator and known=-good mcu.

I found these only sort ot work with usb3.0. You can read, but not write. Don't forget some coms require rx and tx to flip. Rx of ftdi to tx of device... like with uart.

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FT232RL Mini USB to TTL Serial Converter Adapter Module 3.3V/5.5V

Product ID: 5643972

Details

Color
Red
Compatible Devices
Laptop Desktop
Connector Type
Mini USB
Item dimensions L x W x H
6 x 0.5 x 4
Specific Uses For Product
personal

⚡3.3V to 5.5V flexible voltage

💻Mini USB for seamless PC connection

🔌FT232RL chipset power

SAR 38

Duties & taxes included

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Description

⚡ Power your projects with precision and style!

VOLTAGE VERSATILITY - Supports a broad 3.3V to 5.5V range to fit diverse project needs.
BUILT IN SAFETY FUSE - 500mA self-resetting fuse protects your devices from unexpected power surges.
COMPACT LIGHTWEIGHT - Slim 6x0.5x4 inch design fits perfectly in any workspace or on-the-go setup.
PLUG PLAY POWERHOUSE - Effortlessly bridges USB to TTL serial with the reliable FT232RL chipset.
CROSS PLATFORM COMPATIBILITY - Works smoothly with Windows 95 through Windows 7 (32/64-bit) for legacy and modern systems.

The HiLetgo FT232RL Mini USB to TTL Serial Converter is a compact, reliable adapter module designed for seamless USB to serial communication. Featuring the FT232RL chipset, it supports a flexible voltage range of 3.3V to 5.5V and includes a 500mA self-resetting fuse for device protection. Compatible with a wide range of Windows operating systems (up to Windows 7), this mini USB adapter is perfect for professionals and hobbyists needing efficient serial communication in a sleek, portable form factor.

Specifications

ASIN	B00IJXZQ7C
Best Sellers Rank	#41 in Serial Adapters
Brand	HiLetgo
Color	Red
Compatible Devices	Laptop, Desktop
Connector Type	Mini USB
Current Rating	500 milliamps
Customer Reviews	4.4 out of 5 stars 1,228 Reviews
Input Voltage	5.5 volts
Item Dimensions	6 x 0.5 x 4 inches
Item Weight	0.01 kg
Item dimensions L x W x H	6 x 0.5 x 4 inches
Manufacturer	HiLetgo
Mfr Part Number	3-01-0661-1
Model Number	3-01-0661-1
Number of Items	1
Number of Ports	1
Package Quantity	1
Power Plug Type	No Plug
Specific Uses For Product	personal
UPC	509049833148
Unit Count	1 Count

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