DIY Low‑Cost Glove Controller & Propeller Car – Build Your Own Arduino Hand Controller

Welcome to this step‑by‑step tutorial for building an affordable glove controller that can drive an Arduino‑based propeller car. The design uses only inexpensive, readily available components, making it ideal for hobbyists and educators who want a quick, low‑budget solution.

Step 1: Gather the Parts

• 10 rotary potentiometers – roughly $3 for five units
• Arduino Nano – $3.50
• Garden glove – under $1
• Rope – <$0.50 or free
• CD/DVD case – free
• Battery (2–5 V recommended) – $1–$2
• 5 V step‑up driver – $1
• NRF24L01 Wi‑Fi module – $1
• Rubber bands – free
• Heat source (e.g., candle or small torch)
• Straws – a few pieces
• Hot glue sticks (or melted glue with a heat source)
• Few jumper wires

Total cost: under $10.

Step 2: Create Mounting Plates from DVD Case

1. Heat the DVD case where you want to cut so the plastic softens. 2. While hot, cut the desired plate shape with scissors. 3. Heat the plate again until it becomes pliable, then shape it to fit over the glove’s hand. 4. Apply hot glue to secure the plate onto the glove. The result is a rigid mounting base for all electronics.

Step 3: Mount Potentiometers, Rope, and Straws

Attach the potentiometers to the mounting plates using hot glue, ensuring the slider’s end is positioned where finger motion will occur. Wrap the rope over the top of each finger, tying one end to the potentiometer’s slider and the other to a rubber band that provides return tension. Straws serve as guides for the rope to keep the system neat and prevent tangling.

Step 4: Add a “C”‑Shaped Catch for Stability (Optional)

To keep the upper part of the glove stable, especially when the battery pack adds weight, shape a thin piece of plastic into a “C” profile. Glue it onto the glove and secure the rubber band to it; this prevents the rubber band from slipping and keeps the battery pack centered.

Step 5: Wiring and Programming

Connect each potentiometer’s wiper to a separate analog input on the Arduino Nano. Wire the NRF24L01 module to the Arduino for wireless communication if you want to control the propeller car from a distance. Upload a simple sketch that reads the potentiometer values and maps them to motor controls on the car.

Step 6: Test the Glove and Car

Power the glove controller with the chosen battery pack. Verify that bending each finger changes the corresponding potentiometer reading. Then, power the propeller car and ensure it responds to the glove’s inputs. Adjust rope lengths or potentiometer positions as needed for smooth operation.

Congratulations – you now have a functional, budget-friendly glove controller driving a propeller car. Feel free to add more sensors to other fingers or expand the system for more complex projects.