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It operates on frequencies 900 and 1800MHz and allows users to receive/send mobile calls and SMS
Internet of things
with an embedded controller
Adjust sensitivity — Turn the blue potentiometer knob clockwise to increase the detection range (up to ~30 cm) or anticlockwise to reduce it (down to ~2 cm)
M5 Stack Catch Unit (SG92R) Distance proximity sensor It operates on frequencies 900M5 Stack Catch Unit (SG92R) The catch is a gripper that uses an SG92R servo as a power source. The servo uses a PWM signal to drive the gripper gear to rotate and control the gripper for clamping and releasing operations. The structure adopts a design compatible with Lego 8mm round holes. You can combine it with other Lego components to build creative control structures, such as robotic arms, gripper carts, etc. Note: Because the opening and closing
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