Compatible with SEELab3 & ExpEYES17 devices. Requires an OTG adapter to connect these to your phone.

https://csparkresearch.in/expeyes17
https://csparkresearch.in/seelab3
https://expeyes.in

This is a companion app for a feature packed modular hardware(SEELab3 or ExpEYES17) that contain a host of test and measurement tools ranging from a 4 channel Oscilloscope, RC Meter, and frequency counters, to modular communication buses which read data from a multitude of sensors pertaining to physical parameters such as luminosity , magnetism, motion etc.

It is very handy for designing science and technology experiments and demonstrations, and a fantastic troubleshooting companion for your Arduino/Microcontroller projects.

+ A tool for learning science by exploring and experimenting.
+ 100+ documented experiments and easy to add more.
+ 4 channel Oscilloscope, 1Msps . Programmable voltage ranges [ 2 Channels +/-16V , 1 Channel +/-3.3V , 1 Microphone channel ]
+ Sine/Triangular Wave Generator, 5Hz to 5kHz
+ Programmable voltage sources, +/5V and +/-3.3V
+ Frequency Counter and time measurements. 15nS resolution. Up to 8MHz
+ Resistance (100Ohm to 100K) , Capacitance(5pF to 100uF)
+ Supports I2C and SPI modules/Sensors
+ 12-bit analog resolution.
+ Open Hardware and Free Software.
+ Software in Python programming language for desktop/PC.
+ Visual Programming Interface (Blockly)

Add-On modules with plug and play capability
BMP280:Pressure/Temperature
ADS1115: 4 channel, 16 bit ADC
TCS34725: RGB Colour sensor
MPU6050 : 6-DOF Accelerometer/Gyro
MPU9250: MPU6050+ AK8963 3 axis magnetometer
MS5611: 24 bit atmospheric pressure sensor
BME280: BMP280+ humidity sensor
VL53L0X: distance measurement using light
ML8511: UV light intensity analog sensor
HMC5883L/QMC5883L/ADXL345 : 3 Axis Magnetometer
AD8232: 3 electrode ECG
PCA9685 : 16 Channel PWM generator
SR04 : Distance Echo Module
AHT10: Humidity & Pressure sensor
AD9833: 24 bit DDS waveform generator. up to 2MHz , 0.014Hz step size
MLX90614 : Passive IR Temperature sensor
BH1750: Luminosity sensor
CCS811: Environment monitoring .eCO2 and TVOC sensor
MAX44009 : Visible spectrum intensity sensor
MAX30100 : Heart rate and SPO2 meter[ non-medical use, only for general fitness/wellness purpose. MAX30100 hardware module is required. ]
Analog Multiplexers

Its visual programming interface also allows reading information from the phone's sensors as well as analysis of camera frames for object detection and motion studies.

Some Example Experiments:
- Transistor CE
- EM Induction
- RC,RL,RLC Transient and Steady State response
- Velocity of sound with Phase shift tracking
- Diode IV, clipping, clamping
- opamp summing junction
- Pressure Measurement
- AC generator
- AC-DC separating
- Half wave rectifier
- Full wave rectifier
- Lemon cell, Series lemon cell
- What is DC
- Opamp Inverting, Non Inverting
- 555 timer circuit
- Time of flight due to gravity
- Rod pendulum time measurements
- Simple pendulum digitization
- PID Controller
- Cyclic Voltammetry
- Magnetic Gradiometry