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PID Balance+Ball | full explanation & tuning

A better way to see how PID works. See how to control the position of a pingpong ball with this balance controlled with Arduino, PID and a servo witha distance IR sensor. See more...

433MHz radio module example + test

See how to use this simple 433MHz radio module with the Arduino library. You have the schematic and code here for download. See more...

CC1101 radio module example + test

See how to use this CC1101 radio module with the Arduino. You have the schematic, code, library and all that you need here for download. See more...

LoRa radio module example + test

See how to use this LoRa radio module with the Arduino library. You have the schematic, code and library here for download. See more...

HC12 radio module example + test

See how to use this HC12 radio module with the Arduino. You have the schematic, code and all taht you need here for download. See more...

NRF24 radio module example + test

See how to use this NRF24 module with the Arduino library. You have the schematic, code and library here for download. See more...

DIY 5 in 1: distance, length, RPM, level, angle

In this tutorial we make a muti measurement device. It has a lot of sensor and a 3D printed case. It could measure distance, length, angles, level and RPM. See more...

Arduino 3D filament measure device

I've used a precision caliper to measure the filament diameter. This caliper has an i2c serial communication so we could get the data to the Arduino using just 2 wires. See more...

RC car PCB with NRF24 and BLUETOOTH

We now have the radio controller made with Arduino. We have seen how to receive data and control servos. Now, with this PCB we can control DC motors as well, add sounds and more extra stuff. Also, we have bluetooth control with an Android App. See more...