GY-291 3 Axis Accelerometer ADXL345
1. Supply Voltage: 3.3 V/ 5V.
2. Interface Type: I²C, SPI.
3. Sensing Range: ±2g, ±4g, ±8g, ±16g.
4. Sensitivity:
o X: 28.6 LSB/g.
o Y: 31.2 LSB/g.
o Z: 34.5 LSB/g.
5. Ultra Low Power: 40µA in measurement mode, 0.1µA in standby@ 2.5V.
6. Free-Fall Detection.
7. Tap/Double Tap Detection.
HC-05 TTL Bluetooth Module
1. Bluetooth protocol: Bluetooth Specification v2.0+EDR.
2. Frequency: 2.4GHz ISM band.
3. Modulation: GFSK(Gaussian Frequency Shift Keying).
4. Emission power: =4dBm, Class 2.
5. Sensitivity: =-84dBm at 0.1% BER.
HM-10 TTL BLE Bluetooth Module
1. Bluetooth Protocol: Bluetooth Specification V4.0 BLE
2. USB Protocol: USB V2.0
3. Operating Frequency: 2.4GHz ISM band
4. Modulation Mode: GFSK (Gaussian Frequency Shift Keying)
5. Transmitting Power: ≤4dBm
6. Sensitivity: ≤-84dBm at 0.1% BER
7. It’s easy to use and completely encapsulated.
8. You can set it as slave or master.
9. You can use AT command set the baud
IIC/I2C Serial Interface Adapter Module
1. 5V power supply.
2. Serial I2C control of LCD display using PCF8574.
3. Backlight can be enabled or disabled via a jumper on the board.
4. Contrast control via a potentiometer.
5. Can have 8 modules on a single I2C bus (change address via solder jumpers)address, allowing.
Infrared Obstacle Avoidance Sensor Module
1. Detection distance: 2-40cm
2. IO Interface: 4-wire interfaces (- / + / S / EN)
3. Output signal: TTL level
4. Adjustment: adjust multi-turn resistance
5. Effective angle: 35 °
IR Sensor Module with Pot
1. Detection distance: 2 ~ 30cm
2. Detection angle: 35 °
3. Comparator chip: LM393
4. 3mm screw holes for easy mounting
Joystick Module
1. Dimensions: 34 x 34 x 15 (LxWxH) mm.
2. Weight: 10gm (without Hat).
3. 2.54mm pin interface leads.
4. Operating Voltage: 5V.
5. Long service life and stable performance.
6. Standard interface and electronic building blocks.
7. Widely use in Arduino DIY projects.
JoyStick Shield Module
1. 2-Axis joystick
2. Bluetooth / Serial interface
3. I2C interface
4. nRF24L01 interface
5. Nokia 5110 LCD interface
6. Interface connector
7. Power switch to switch between 3.3 and 5V
Keypad 4*3 Membrane
1. Ultra-thin design & adhesive backing provides easy integration to any project
2. Excellent price-performance ratio
3. Easy communication with any microcontroller
4. 5 pins 2.54mm pitch connector, 4×3 type – 12 keys.
5. Sticker can peel off for adhesive mounting.
6. Operating Voltage (V): 12 DC
Keypad 4*4 Membrane
1. Ultra-thin design & adhesive backing provides easy integration to any project
2. Excellent price-performance ratio
3. Easy communication with any microcontroller
4. 5 pins 2.54mm pitch connector, 4×4 type – 16 keys.
5. Sticker can peel off for adhesive mounting.
6. Operating Voltage (V): 12 DC
KY-039 Finger Detection Heartbeat Measuring Sensor Module
1. Use IR LED and an optical transistor to detect pulsation in fingers
2. Small and Compact module
3. Easy to use.
L298P Motor Driver Shield
1. L298P based Arduino motor driver shield
2. Onboard Buzzer (D4).
3. Onboard Bluetooth interface, you can directly plug, no wiring required.
4. Six Analog interface.
5. Forward, Backward steering indicators