Is it support at89c51

No it's doesn't support AT89C51. it's support AT89S51which is easily available in market.

104 = 100nf = 0.1uf; 103 = 10nf = 0.01uf. circuit diagram shows 104 as 0.01uf. so which am i to use? 104 = 0.1uf or 103 = 0.01uf

You can use both. 103 is preferable if not 104.

The progisp software keeps showing the verify flash at 0h error. How do i fix it?

Hi, Thank you very much for contact us. Please disconnect the programmer from development board and close software after that reconnect the programmer to development board and reopen the software and erase flash, try load flash it will solved your problem. Best Regards, Silicon TechnoLabs

Does this support Attiny 2313 chip?

Hi, Thank you very much for contact us. Yes this support ATTiny2313. Best regards, Silicon TechnoLabs

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⚙️ Empower your microcontroller projects with Silicon TechnoLabs’ all-in-one USB ISP programmer!

PLUG PLAY USB POWER - No external power needed—just connect and program instantly.
CROSS PLATFORM MASTERY - Works flawlessly on Windows, Mac OS X, and Linux for ultimate flexibility.
LOW SPEED CLOCK SUPPORT - SCK option ensures reliable programming even below 1.5MHz clock speeds.
COMPLETE KIT WITH FREE USB CABLE - Includes 1.5m USB cable and 6-pin polarized ISP interface for hassle-free setup.
UNIVERSAL MICROCONTROLLER COMPATIBILITY - Seamlessly programs AT89S51, AT89S52, ATmega, ATtiny & more.

The Silicon TechnoLabs ATMEL 8051 AVR USB ISP Programmer is a versatile, USB-powered device designed for programming a wide range of Atmel microcontrollers including AT89S51, AT89S52, ATmega, and ATtiny series. It supports Windows, Mac OS X, and Linux, features a 6-pin polarized ISP interface, and includes a free 1.5m USB cable. With low clock speed support and no need for external power, it’s the perfect tool for professional developers and hobbyists aiming for efficient, reliable microcontroller programming.

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Brand	Silicon TechnoLabs
Manufacturer	Silicon TechnoLabs
Colour	Green
Standing screen display size	3 Millimetres
Package Dimensions	19.2 x 10.3 x 4.2 cm; 100 g
Item model number	STL11V2.0
Processor Brand	Atmel
Voltage	5 Volts
Power Source	USB Power
Operating System	Linux, Support Windows XP, 7,8,10
Are Batteries Included	No
Included Components	(1).8051 AVR USB ISP Programmer, (2).1.5 m USB A to USB B cable, (3).6 Pin Polarized cable
Manufacturer	Silicon TechnoLabs
Country of Origin	India
Item Weight	100 g

Silicon TechnoLabs ATMEL 8051 AVR USB ISP Programmer Support AT89S51,AT89S52,AT89Sxx,ATMEL ATmega,ATtiny Microcontrollers

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