🛠️ MAKER GUIDEJun 23, 2026•⏱️ 2 min read•🇳🇵 Tested in Nepal
Gesture-Controlled 4-DOF Robotic Arm with Flex Sensor & NRF24L01
Build a multi-axis robotic manipulator arm controlled via a sensory glove using MPU-6050, NRF24L01 wireless, and SG90 servo motors.
🛠️ BILL OF MATERIALS (BOM)
Required Hardware & Component Checklist
Curated components verified for this project. Check the items you need, adjust quantities, and add straight to cart:
Estimated Total (6/6 items):
NPR 4,300
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NPR 1,500
(NPR 750 ea)
NPR 500
NPR 500
(NPR 250 ea)
NPR 800
(NPR 200 ea)
NPR 200
(NPR 100 ea)
NPR 800
(NPR 200 ea)
Gesture-Controlled 4-DOF Robotic Arm with Flex Sensor & NRF24L01
Replicate human wrist and hand gestures wirelessly using the GY-521 MPU-6050, NRF24L01+ 2.4GHz transceivers, and 4x SG90 Servo Motors.
Hardware Bill of Materials:
- Microcontrollers: 2x Arduino Nano V3.0 Solderless (Transmitter Glove & Receiver Arm)
- Gesture Sensor: GY 521 MPU-6050 Module 3 Axis Gyro & Accelerometer
- Wireless Radios: 2x NRF24L01+ 2.4GHz Wireless Transceiver Module
- Servos: 4x SG90 9g Micro Servo Motor 180 Degree
- Power Supplies: 2x 18650 battery box 2S + 4x 18650 3.7V 3000mAh Battery
Circuit Pinout & Wiring Connections:
| Component / Sensor Pin | Arduino Nano Pin (Glove TX) | Arduino Nano Pin (Arm RX) |
|---|---|---|
| MPU-6050 SDA / SCL | Pin A4 / Pin A5 | — (On TX Glove) |
| NRF24L01 CE / CSN | Pin D9 / Pin D10 | Pin D9 / Pin D10 |
| NRF24L01 SCK / MOSI / MISO | Pin D13, D11, D12 | Pin D13, D11, D12 |
| Base Servo PWM | — | Pin D3 |
| Shoulder Servo PWM | — | Pin D5 |
| Elbow Servo PWM | — | Pin D6 |
| Gripper Servo PWM | — | Pin D11 |
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