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flash cards and modes are 3
so it is ready to plug in and heat up
uFL connector for external antenna setups
The NRF24L01+ module may often be used in its stead because it is backward compatible with the NRF24L01 module
Photoelectric Counter IR LM393 Module microusb flash cards and modes areAdd Infrared Detection to Your Next Project The Photoelectric Counter IR LM393 is an infrared proximity sensor designed for light logging, optical switching, line tracking, and brightness aware projects. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds. Key details include Working voltage: DC 5 V . Important: Water quality sensors usually need calibration solutions and regular probe care. Probe
