A pictorial walkthrough of the KuttyPy Layout, CAD Render, Graphical Application design, and Coding Interface

Circuits these days are automatically assembled by robots which can lift components from their rolls/tubes/trays, and place them with micron level precision on circuit boards at an incredible pace.

The SEELab3 device has the ability to take up to 8000 readings from sensors connected via the I2C bus with microsecond accuracy similar to the oscilloscope. This enables high speed readings with no OS delays causing timestamp errors. Fourier transform enables vibration analysis of mechanical devices.

Science demonstrations at the University of Calicut delved into the innovative use of Expeyes17. This post showcases a myriad of captivating experiments conducted at the school level, highlighting the diverse applications and educational potential of Expeyes17 in enhancing the learning experience. This expo was a journey through hands-on demonstrations that brought science to life in order to inspire the next generation of curious minds.

A student submitted Project that uses python code to apply various input frequencies to oscillators, and measure the output waveform and extract parameters such as frequency, amplitude and phase. Coupled and uncoupled oscillators have been studied

instructions on translating the eyes17 GUI

ExpEYES allows you to plug and play a range of I2C sensors, and the VL53L0X is one such supported sensor. It measures the distance to any reflective object by using light pulses and measuring the round trip time.

PV2 is connected to the GATE. PV1 is connected to source via a 1K resistor. And DS current is measured as a function of the voltage .

A square wave is used to drive a piezo buzzer, and we attempt to identify which harmonic of the input frequency is used. The results also confirm that only F,3F, 5F... frequencies are available in a square wave.

The advanced logger allows users to sweep one output parameter(WG,SQR2,PV1...) in a specified range, and measure a parameter for each output value. Inputs can be simple voltages, I2C sensors, derived parameters from the oscilloscope etc.

The ExpEYES-17 is a powerful science kit, which can be used to learn and teach Science from high school to graduation level.

Four channel Oscilloscope Window with traces for A1, A2, A3, and MICrophone input. Also includes configuration tools for WG, SQ1, SQ2, PV1, PV2...

This experiment lets you study the output characteristics of PNP and NPN transistors in common emitter configuration. The dependence of saturation current on base current is studied

This experiment is aimed at understanding the physics behind sound, namely, the movement of sound through air as a series of compressions and rarefactions.

Sound is digitized by a microphone, and the signal is compared with the oscillating voltage source fed to a buzzer which created the sound. A study of phase shifts using mathematical analysis is used to calculate the velocity of sound in air.

When two sound waves with frequencies near each other overlap, constructive and destructive interference causes a third frequency to be observed with a frequency equal to the difference between the two.

A square wave is given to the clock input of the 74LS74 flipflop. The Q-bar output is connected to the D input. Clear and Preset inputs should be held HIGH. Every rising edge toggles the output, but the falling edge is uneventful.

In this section, we explore the transient response of a series RLC circuit by applying voltage step and capturing the voltage variation across the capacitor. The coil used is 3000 turns of 44SWG wire.

In this section, we explore the transient response of a series RL circuit by applying a voltage step and capturing the voltage variation at the output.

In this section, we explore the transient response of a series RC circuit by applying a voltage step and capturing the voltage variation across the capacitor.

Input and output waveforms of phase shifting circuits are plotted along orthogonal axes to obtain lissajous figures. At 90 degree phase shift, the normalized lissajous figure is circular.

A magnet is dropped though a coil, and the induced voltage is observed as a function of time. It helps understand the basic principles of EMF induced due to rate of change of magnetic flux.

A square wave is given to the clock input of the 74LS74 flipflop. The Q-bar output is connected to the D input. Clear and Preset inputs should be held HIGH. Every rising edge toggles the output, but the falling edge is uneventful.

Logic Gate ICs for AND and OR operations are studied using digital signals. The same circuits are then constructed using diodes to understand their operation.

IC 555 used in an astable multi-vibrator configuration can be studied using the oscilloscope of ExpEYES. IN2 is used to precisely measure duty-cycle and frequency.

There a dozen different experiments in the ExpEYES app which help students understand various concepts such as AC/DC, resistance of the human body, voltage from a lemon cell, mutual inductance etc

The resonance frequency of the Piezo disc supplied with ExpEYES is around 3500 Hz. It could vary from unit to unit, so as you move away from that frequency, the loudness will also decrease. This can be studied by measuring the amplitude of the sound made by the piezo at different frequencies.

A rod pendulum is allowed to freely oscillate between a phototransistor and an LED, and ExpEYES accurately measures its period of oscillations. Its length is measured, and the value of acceleration due to gravity applicable for the measured time period is calculated.

A low amplitude (80mV) sinusoidal wave is amplified using a simple Op-Amp in non-inverting configuration, and its gain is calculated by precisely fitting the input and output waveforms using Numpy. This is tallied with the expected gain based on the popular theoretical formula.

A low amplitude (80mV) sinusoidal wave is amplified using a simple Op-Amp, and its gain is calculated by precisely fitting the input and output waveforms using Numpy. This is tallied with the expected gain based on the popular theoretical formula.

Study half-wave rectifiers With ExpEYES. All you need is the waveform generator and oscilloscope of ExpEYES, and a few passive components such a diode, capacitor, and resistor.

With ExpEYES you can study the band gaps in PN junctions, their dependence on the emitted color if any, and also calculate the Planck's constant.

Using an NPN transistor in common-emitter configuration to make a high gain amplifier. You will need the waveform generators and oscilloscope of ExpEYES, and an NPN transistor(2N2222).

Study full-wave rectifiers With ExpEYES. You will need the waveform generators and oscilloscope of ExpEYES, and a few passive components such 2 4148 diodes, a capacitor for filtering, and a resistor.

Diodes can be used to clip AC waveforms beyond a preset voltage. You will need the waveform generators and oscilloscope of ExpEYES, as well as a voltage output(PV1). and a diode.

Diodes can be used to clamp AC waveforms... a technique which essentially shifts the entire waveform up or down. You will need the waveform generators and oscilloscope of ExpEYES, as well as a voltage output(PV1). and a diode.

This project aims to equip educators and budding citizen scientists with a flexible range of control and measurement equipment in a compact, standalone form, with minimal BOM.

VL53L0X is an easily available optical ranging module with an effective range of around 1 meter. This is mounted on a servo motor, and a small code snippet measures the distance to the neasrest obstacles at different angles. This data is then plotted in a polar plot with Blockly.

Create programs to analyze camera data and track objects such as simple pendulums to extract position.

HY-SR04 is a widely available ultrasound ranging module. It consists of two 40 kHz Piezo crystals, one acts as a transmitter and other as a receiver, and some electronics circuitry to measure the time interval between a burst of sound transmitted and the echo received.

The visual programming blocks include several blocks which use the capture routines. You can use them to create a custom oscilloscope interface

VL53L0X is an easily available optical ranging module with an effective range of around 1 meter. Using the VL53L0X as an example, this post will demonstrate how to add a sensor to the android library so that it is automatically detected by the interactive schematics.

HY-SR04 is a widely available ultrasound ranging module. It consists of two 40 kHz Piezo crystals, where one acts as a transmitter and other as a receiver, and some electronics circuitry is inbuilt to measure the time interval between a burst of sound transmitted and the echo received. This module can measure distance with around 3mm Accuracy, and can be applied to study mass-spring systems, pendulums, and other similar mechanical systems.

Circuit diagrams can be boring sometimes, and ExpEYES has tried to make them more appealing by making them dynamic and interactive. As can be seen from the cover image, this means that voltmeters in the schematic show values in real-time, the function generators can be dynamically adjusted , and derived parameters such as currents are also calculated and updated continuously.

The AD9833 is a Direct Digital Synthesizer capable of sine and triangle wave generation up to 2MHz with 24bit resolution. It can be used with expeyes-19