Neoprogrammer 2.1: 0.19 Ch341a !free!
These features make NeoProgrammer 2.1.0.19 a powerhouse, yet the learning curve remains gentle enough for a hobbyist to master in an afternoon. It strikes a rare balance: professional‑grade functionality without intimidation.
It supports an extensive list of 24-series EEPROMs, 25-series SPI Flash, 26-series, and even 93-series MicroWire chips.
| Version | Key Changes | Supported Chips | | ------- | ----------- | :--------------: | | 2.1.0.13 | Base version, forked from AsProgrammer | ~1600 | | 2.1.0.18 | Fixed 93C46 8‑bit detection | ~1800+ | | | Changed 93Cxx detection algorithm; disabled 50h opcode before register writes | ~1970 | | 2.2.0.10 | I²C detection fix; new Chinese language pack; many new chip families | 2033+ | | 2026.2.20 | Latest major update; many NAND/NOR fixes; reach ~2109 chips | 2109 | neoprogrammer 2.1 0.19 ch341a
Always read and backup a chip before writing to it.
It handles 1.8V, 2.5V, 3.3V, and 5V chips seamlessly when paired with the right hardware adapters. These features make NeoProgrammer 2
If you work with electronics, repair motherboards, or modify router firmware, you have likely encountered the cheap, ubiquitous CH341A USB programmer. While the hardware is highly capable for its price, the official manufacturer software is often buggy, outdated, or poorly translated.
Click the button to confirm the software sees the chip. | Version | Key Changes | Supported Chips
Before launching the software, you must configure your hardware correctly. The CH341A black or green edition PCB usually requires specific orientation. 1. Jumper Configuration
Go to and select your new firmware file ( .bin , .rom , or .fd ).
Enter , a lightweight, highly optimized, and feature-rich alternative developed by community experts. This guide explores everything you need to know about setting up and using NeoProgrammer 2.1.0.19 with your CH341A programmer. Why Choose NeoProgrammer 2.1.0.19?
✅ – From a random 24C02 on a monitor mainboard to a Winbond 25Q128JV on a gaming laptop BIOS, NeoProgrammer 2.1.0.19 usually says “Yes, I know that chip.”