Affordable USB Programmer Options for AT89C51 8051 Microcontroller Programming

The discussion focuses on affordable USB programmer options for programming the AT89C51 8051 microcontroller. Keil software is mentioned as a suitable programmer for Atmel ATxx series microcontrollers, including the 89C51. Users are advised on DIY programmer construction with links to detailed tutorials and schematics. Alternative low-cost USB 8051/AVR programmers are recommended, with references to online resources providing free IDEs, compiler tools, and hardware diagrams for building custom programmers. The conversation also touches on the availability of commercial programmers, noting that many appear bulky and industrial. Additionally, there is a brief inquiry about interfacing the MLX 90 247 infrared sensor with the AT89S51 microcontroller, with suggestions to explore free software and hardware resources to reduce costs.
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