Integrated Sensors and Connectivity Beyond its core capabilities, the AtomS3R integrates a nine-axis sensor system, allowing for accurate motion and direction sensing. Its infrared control functionality adds another layer of versatility, enabling interaction with various external devices. The expansion ports and pins provide ample opportunities for customization, making it easy to adapt the device for specific project requirements. Compact and Powerful Design The compact form factor of the AtomS3R ensures it can be seamlessly integrated into any project without sacrificing functionality. Its advanced features and robust performance make it an ideal tool for prototyping, smart device control, and more. Whether for educational purposes or practical applications, the AtomS3R stands out as a powerful solution for modern development needs. Download Mode press and hold the reset button (about 2 seconds) until the internal green LED lights up, then release the firmware. At this time, the device has entered download mode, waiting for burning. When controlling the LCD backlight, the PWM frequency is recommended to use 500Hz. Color: As Shown Material: plastic Package Contents: 1 x Programmable Controller with Echo Base Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.