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What is Digital Input Pull-Up resistor? In Arduino, a Digital Input Pull-Up Resistor is an internal resistor that you can enable on digital input pins to ensure a known default voltage level (HIGH) when the pin is not actively connected to anything (i.e. it’s ...

What is RFM69HCW Radio Data Module? The RFM69HCW is a high-performance, low-power radio transceiver module designed for long-range wireless communication using sub-GHz frequencies. Unlike simple UART-based modules like the APC220, the RFM69HCW offers SPI commu...

What is a Rotary Encoder Button? A rotary encoder button is an input device that combines: a Rotary encoder — to detect rotational direction (clockwise/counterclockwise) and steps and a Push button — to detect when the knob is pressed down. This component is s...

What is a Flat Vibration Switch? This is a low-sensitivity, directional vibration-induced trigger switch. Inside is a very soft spring coiled around a long metal pin. When the switch is bumped from the side only, the spring attached to the first pin touches th...

What is a DFPlayer? DFPlayer Pro is a mini, simple but powerful MP3 Player. It supports four controlling modes: Arduino, AT command, on-board buttons, and ADKEY. You can directly press the on-board button to play or switch music without using a controller. By ...

If you haven’t already, please complete all the prerequisites outlined in our introduction to the OAK-D Pro camera before starting this tutorial. Refer to the guide to set up the OAK Device CHOP and OAK Select TOP components. In this tutorial, we’ll program t...