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keerthan shetty
Apr 25, 2025
If your gesture-controlled music player project is designed to control music playback on a mobile device or laptop via Bluetooth, and you want to use the APDS-9960 gesture sensor to send commands wirelessly, hereโs how you can set up the circuit and code accordingly.
### Components Needed:
1. *Arduino Nano*
2. *APDS-9960 Gesture Sensor*
3. *HC-05 Bluetooth Module*
4. *Breadboard and Jumper Wires*
5. *Power Supply (USB or Battery)*
### Circuit Connections:
#### 1. *APDS-9960 Gesture Sensor Connections:*
- *VCC* (APDS-9960) to *5V* (Arduino Nano)
- *GND* (APDS-9960) to *GND* (Arduino Nano)
- *SDA* (APDS-9960) to *A4* (Arduino Nano)
- *SCL* (APDS-9960) to *A5* (Arduino Nano)
- *INT* (APDS-9960) can be connected to a digital pin (optional, e.g., D2) for interrupt handling.
#### 2. *HC-05 Bluetooth Module Connections:*
- *VCC* (HC-05) to *5V* (Arduino Nano)
- *GND* (HC-05) to *GND* (Arduino Nano)
- *TXD* (HC-05) to *RX* (D0) (Arduino Nano)
- *RXD* (HC-05) to *TX* (D1) (Arduino Nano) (use a voltage divider if necessary)
### Power Supply Connection:
- Power the Arduino Nano via USB or a battery connected to the *Vin* pin.
### Complete Circuit Diagram:
Arduino Nano APDS-9960 HC-05
------------ ----------- --------
5V ---------------- VCC (APDS) VCC ---------------- 5V
GND ---------------- GND (APDS) GND ---------------- GND
A4 ---------------- SDA (APDS) TXD ---------------- RXD
A5 ---------------- SCL (APDS) RXD ---------------- TXD
D2 ---------------- INT (APDS) (optional)
D0 ---------------- RXD (HC-05)
D1 ---------------- TXD (HC-05)
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i am a complete beginner and i want to make a device to which we will connect three temperature sensors, the device needs to measure the temperature and then generate current on the output (4mA to 20mA) according to the temperature, i already have the code for the microcontroller we will be using that will perform the necessary function, i am using stm8s003k3 microcontroller. help me make the circuit
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