Mikroelektronika d.o.o.
Force 4 Click-Platine
Force 4 Click-Platine
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Overview
Das Force 4 Click Board™ basiert auf dem piezoresistiven Kraftsensor HSFPAR003A von Alpsalpine. Bei diesem Produkt handelt es sich um einen Kraftsensor, der den Effekt einer piezoresistiven Brückenschaltung nutzt, die auf einer Siliziummembran gebildet ist. Piezoresistive Kraftsensoren erreichen eine höhere Linearität als andere Kraftsensoren.
Zur Verbesserung der Stabilität und Genauigkeit enthält Force 4 Click Board™ außerdem MCP1101-33, eine hochpräzise gepufferte Spannungsreferenz als Stromversorgung für einen Kraftsensor, die eine hohe Stabilität und Genauigkeit der Ausgangsspannungswerte ermöglicht.
| General Information | |
|---|---|
Part Number (SKU) |
MIKROE-4193
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Manufacturer |
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| Physical and Mechanical | |
Weight |
0.016 kg
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| Other | |
Country of Origin |
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HS Code Customs Tariff code
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EAN |
8606018717934
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Warranty |
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How Does The Force 4 Click Board™ Work?
The Force 4 Click Board™ work in the same way as our air (atmospheric) pressure sensors, using the piezoresistive method. They detect loads (force) with a piezoresistive element manufactured using MEMS processes. Force sensors differ from air pressure sensors in that they have a thicker diaphragm, allowing detection of only relatively large changes in pressure, like from loads, while very subtle fluctuations, such as changes in air pressure, do not affect the output.
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Force 4 Click utilizes an additional IC. It uses the MCP3221, a 12-bit successive approximation A/D converter (ADC) with I2C Interface, from Microchip. It is used to sample the output voltage from the sensor, providing data for the microcontroller (MCU) or some other device capable of communicating over the I2C bus. The voltage is sampled to a 12-bit value using the MCP1101-33 as the voltage reference.
If analog voltage is preferred to be red directly by the MCU, it can be easily done by adding 0 ohm resistor on J1 marked position on PCB, and the sensor output voltage will be available for reading on AN pin of mikroBUS™.
The Force 4 Click Board™ features the smallest force sensors in the industry with dimensions compact enough which makes it a perfect solution for developing a fine-diameter stylus pen.
SPECIFICATIONS
| Type | Force |
| Applications | Fine-diameter stylus pen development, load and compression sensing, variable tension control and many more |
| On-board modules | HSFPAR003A |
| Key Features | High sensitivity and good linearity, precisely detect micro force less than 0.01 N. no characteristics change after 1 million cycles |
| Interface | Analog,I2C |
| Compatibility | mikroBUS |
| Click board size | S (28.6 x 25.4 mm) |
| Input Voltage | 3.3V |
PINOUT DIAGRAM
This table shows how the pinout of the Force 4 Click Board™ corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).
| Notes | Pin |  |
Pin | Notes | |||
|---|---|---|---|---|---|---|---|
| Analog | AN | 1 | AN | PWM | 16 | NC | |
| NC | 2 | RST | INT | 15 | NC | ||
| NC | 3 | CS | RX | 14 | NC | ||
| NC | 4 | SCK | TX | 13 | NC | ||
| NC | 5 | MISO | SCL | 12 | SCL | I2C Clock | |
| NC | 6 | MOSI | SDA | 11 | SDA | I2C Data | |
| Power Supply | 3.3V | 7 | 3.3V | 5V | 10 | NC | |
| Ground | GND | 8 | GND | GND | 9 | GND | Ground |
ONBOARD SETTINGS AND INDICATORS
| Label | Name | Default | Description |
|---|---|---|---|
| PWR | LD1 | - | Power LED Indicator |
| J1 | - | NP | Jumper for direct analog voltage reading from sensor |
Frequently Asked Questions
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