TL866 II Plus Universal USB Programmer with ICSP
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Prices updated: 12 Oct 2026
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About this product
A USB universal programmer from XGecu for reading, writing and verifying a wide range of EPROM, flash, EEPROM and microcontroller chips. It includes an ICSP interface for programming supported microcontrollers in-circuit and works with adapters for packages that do not fit the built-in socket.
Specifications
- Brand
- XGecu
- Part number
- TL866II Plus
- Connection
- USB
- Supported devices
- EPROM, flash, EEPROM, microcontrollers
- ICSP
- Yes (in-circuit serial programming)
Frequently asked questions
Can it program a microcontroller while it is still on my circuit?
Yes, for supported devices through the ICSP interface. The board must expose the programming pins, and the circuit must be powered and isolated as the device's programming datasheet requires.
What if my chip does not fit the built-in socket?
Use a matching adapter for the chip's package. Check the chip's pinout and operating voltage in its datasheet first, and select the correct device in the programmer software before writing.
