| Feature | SkyPro | CH341A | TL866II Plus | |--------|--------|--------|--------------| | Voltage levels | 1.8V–5V | 3.3V/5V | 1.8V–5V | | ZIF socket | Yes (16-pin) | No (uses SOP adapter) | Yes (40-pin) | | I²C support | Yes | Limited | Yes | | MCU programming | Limited | No | Extensive | | Software | Good + 3rd party | Basic | Excellent (minipro) | | Price | $20–35 | $8–15 | $70–100 |
: Automatically handles control bytes (e.g., for Candy Invensys modules) to ensure correct module operation and avoid common errors like "E15". Supported Hardware & Brands sky prog programmer