MIKROE-2621

MIKROE-2621 Datasheet

PID MIKROE-2621

Part	Datasheet
MIKROE-2621	MIKROE-2621 (pdf)

Related Parts	Information
MIKROE-2623	MIKROE-2623

PDF Datasheet Preview
EMG click PID MIKROE-2621 EMG click measures the electrical activity produced by the skeletal muscles. It carries MCP609 operational amplifier and MAX6106 micropower voltage reference. EMG click is designed to run on a 5V power supply. The click board has an analog output AN pin . Note EMG click is a prototyping tool, not a device. Do not use it to diagnose patients. What is EMG? Electromyography or EMG is a diagnostic technique for measuring the electrical activity of muscles. It is often used to diagnose the health of these muscles, and the neurons that control them. These neurons are called motor neurons. They transmit electrical signals, and the muscles contract when this happens. An EMG collects these signals and translates them into a graphical representation. How EMG click works The onboard 3.5mm audio jack is used to connect cables/electrodes to the click board. The electrode collects voltage from the skin few millivolts . And the signal from the jack is amplified and filtered. Therefore, EMG click can be divided into seven blocks. Setup guide To record an EMG, you will need the following things: EMG click ECG/EMG cable Disposable adhesive pads sold in packs of 30 If you are starting out, the best offer is the EMG click bundle that contains all three. Of course, you will also need a target board with an MCU with at least a ADC preferably powered from an external battery . Sampling rate should be at least 256Hz. The electrodes are connected to the board with a cable that plugs into the onboard 3.5mm phone jack. For optimal results place the first DRL electrode on the wrist of the hand. Place the second and third electrode on the muscle you want to measure. See the image above. MikroPlot application MikroPlot is a free data visualization tool Windows that can be used to generate an EMG graph. It’s a simple tool to help you visualize sensor data recorded over time. The graph is generated from data sent from the microcontroller. A UART-USB connection is required. MCP609 features The MCP606/7/8/9 family of operational amplifiers op amps from Microchip Technology Inc. are unity-gain stable with low offset voltage 250 µV, maximum . Performance characteristics include rail-to-rail output swing capability and low input bias current 80 pA at +85°C, maximum . MAX6106 features The MAX6106 is a low-cost, low-dropout LDO , micropower voltage reference. This threeterminal reference is available with output voltage options of 1.25V, 1.8V, 2.048V, 2.5V, 3V, 4.096V, 4.5V, and 5V. For this click, we used the 2.048V. Key features • MCP609 amplifier • MAX6106 voltage reference • 3.5mm audio jack • Interface AN pin • 5V power supply SPECIFICATION Type Biomedical Measuring the electrical activity produced by skeletal muscles. On-board modules MAX6106 voltage reference, 3.5mm audio jack Key Features ESD protection, Overvoltage protection, High-pass filter Interface Analog Power Supply 5V Compatibility mikroBUS Click board size L x mm Pinout diagram This table shows how the pinout on EMG click corresponds to the pinout on the mikroBUS socket the latter shown in the two middle columns . Notes mikroBUStm Notes Analog output AN 1 AN PWM 16 NC Not connected Not connected NC 2 RST INT 15 NC Not connected Not connected NC 3 CS TX 14 NC Not connected Not connected NC 4 SCK RX 13 NC Not connected Not connected NC 5 MISO SCL 12 NC Not connected Not connected NC 6 MOSI SDA 11 NC Not connected Not connected NC 7 3.3V 5V 10 +5V Power supply Ground GND 8 GND 9 GND Ground Jumpers and settings Designator Name

PDF Datasheet Preview

EMG click

PID MIKROE-2621

EMG click measures the electrical activity produced by the skeletal muscles. It carries MCP609 operational amplifier and MAX6106 micropower voltage reference. EMG click is designed to run on a 5V power supply. The click board has an analog output AN pin .

Note EMG click is a prototyping tool, not a device. Do not use it to diagnose patients.

What is EMG? Electromyography or EMG is a diagnostic technique for measuring the electrical activity of muscles. It is often used to diagnose the health of these muscles, and the neurons that control them. These neurons are called motor neurons. They transmit electrical signals, and the muscles contract when this happens. An EMG collects these signals and translates them into a graphical representation.

How EMG click works The onboard 3.5mm audio jack is used to connect cables/electrodes to the click board. The electrode collects voltage from the skin few millivolts . And the signal from the jack is amplified and filtered. Therefore, EMG click can be divided into seven blocks.

Setup guide To record an EMG, you will need the following things:

EMG click ECG/EMG cable Disposable adhesive pads sold in packs of 30 If you are starting out, the best offer is the EMG click bundle that contains all three. Of course, you will also need a target board with an MCU with at least a ADC preferably powered
from an external battery . Sampling rate should be at least 256Hz.

The electrodes are connected to the board with a cable that plugs into the onboard 3.5mm phone jack.

For optimal results place the first DRL electrode on the wrist of the hand. Place the second and third electrode on the muscle you want to measure. See the image above. MikroPlot application

MikroPlot is a free data visualization tool Windows that can be used to generate an EMG graph. It’s a simple tool to help you visualize sensor data recorded over time. The graph is generated from data sent from the microcontroller. A UART-USB connection is required. MCP609 features

The MCP606/7/8/9 family of operational amplifiers op amps from Microchip Technology Inc. are unity-gain stable with low offset voltage 250 µV, maximum . Performance characteristics include rail-to-rail output swing capability and low input bias current 80 pA at +85°C, maximum . MAX6106 features

The MAX6106 is a low-cost, low-dropout LDO , micropower voltage reference. This threeterminal reference is available with output voltage options of 1.25V, 1.8V, 2.048V, 2.5V, 3V, 4.096V, 4.5V, and 5V. For this click, we used the 2.048V. Key features
• MCP609 amplifier
• MAX6106 voltage reference
• 3.5mm audio jack
• Interface AN pin
• 5V power supply

SPECIFICATION

Type

Biomedical

Measuring the electrical activity produced by skeletal muscles.

On-board modules MAX6106 voltage reference, 3.5mm audio jack

Key Features ESD protection, Overvoltage protection, High-pass filter

Interface

Analog

Power Supply 5V

Compatibility mikroBUS

Click board size L x mm

Pinout diagram

This table shows how the pinout on EMG click corresponds to the pinout on the mikroBUS socket the latter shown in the two middle columns .

Notes
mikroBUStm

Notes

Analog output AN 1 AN PWM 16 NC Not connected

Not connected NC 2 RST INT 15 NC Not connected

Not connected NC 3 CS TX 14 NC Not connected

Not connected NC 4 SCK RX 13 NC Not connected

Not connected NC 5 MISO SCL 12 NC Not connected

Not connected NC 6 MOSI SDA 11 NC Not connected

Not connected NC 7 3.3V 5V 10 +5V Power supply

Ground GND 8 GND 9 GND Ground

Jumpers and settings

Designator Name

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived MIKROE-2621 Datasheet file may be downloaded here without warranties.

Datasheet ID: MIKROE-2621 649388