GY-291 3 Axis Accelerometer ADXL345
Highlights:
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
Highlights:
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
Highlights:
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
Highlights:
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
Highlights:
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
Highlights:
1. Detection distance: 2 ~ 30cm
2. Detection angle: 35 °
3. Comparator chip: LM393
4. 3mm screw holes for easy mounting
Joystick Module
Highlights:
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
Highlights:
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
Highlights:
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
Highlights:
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
Highlights:
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
Highlights:
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