Enhance your microcontroller programming capabilities with this versatile Programmer Expansion Board, designed for efficient fuse bit modification and bootloader burning on external chips and development boards. Operating at 5V with a maximum working current of 500mA, this expansion board offers a reliable and user-friendly solution for developers and electronics enthusiasts. Key Features: · Multi-Functional Programming: Enables modification of fuse bits and burning of bootstrap programs to external chips such as Atmega 328P, Atmega 168P, and Atmega 8, as well as other compatible boards. · Onboard Indicators: Equipped with a buzzer and LED indicator lights that provide clear feedback on programming status—successful fuse changes and bootloader burns emit audible beeps, while LED lights display power status, programming progress, and error notifications. · Efficient Batch Programming: Designed to facilitate card designers in batch burning processes, improving productivity and ease of use. · Flexible Interface Support: Utilizes the serial peripheral interface (SPI) pin of the ICSP interface and includes onboard ISP 6-pin and 10-pin interfaces for external board bootloader burning. · Integrated USB to TTL Programmer: Features FT232RL and CH340G USB to TTL interfaces, allowing seamless code uploading to chips mounted on the 28-pin lock seat. · Secure Chip Lock Seat: Includes a 28-pin lock seat specifically for bootloader programming of Atmega series microcontrollers, ensuring stable and reliable connections during programming. · Intuitive Operation: LED breathing lights indicate normal power status, the PROG indicator flashes during programming, and the ERROR indicator lights up red if programming fails, enabling quick and easy monitoring without constant supervision. Specifications: · Item Type: Programmer Expansion Board · Operating Voltage: 5V · Working Current: Up to 500mA Package Includes: · 1 x Programmer Expansion Board This Programmer Expansion Board is an essential tool for developers seeking an efficient and reliable way to program and manage microcontroller fuse bits and bootloaders. Its comprehensive indicator system and versatile interface options make it suitable for both individual projects and batch programming tasks, enhancing your programming workflow with precision and convenience.