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The Load Cell 4 Click Board™ is based on the ZSC31014, a CMOS integrated circuit for highly accurate amplification and analog-to-digital conversion of differential and half-bridge input signals from Renesas. The ZSC31014 has a fully differential chopper-stabilized preamplifier with 8 programmable gain settings (1.5, 3, 6, 12, 24, 48, 96, and 192) through a 14-bit ADC. The resolution of the output depends on the input span and the analog gain setting. The system clock of the ZSC31014 can operate at 1MHz (lower power, better noise performance) or at 4MHz (faster sample rates). Internal DSP core uses coefficients stored in EEPROM to precisely calibrate/condition the amplified differential input signal. Temperature can be measured from an internal temperature sensor, which can be calibrated to compensate for the temperature effects of the sensor bridge.
After the Power-On Reset function, the ZSC31014 wakes, and if it receives the Start_CM command during the command window, it goes into Command Mode. This Mode is primarily used in the calibration environment, and during Command Mode, the device executes commands sent by the I2C master. The ZSC31014 remains in Command Mode until it receives the Start_NOM command, which starts the Normal Operation Mode. Operation after the Power-On sequence depends on whether the part is programmed in Sleep Mode or Update Mode. In Sleep Mode, the ZSC31014 waits for commands from the master before taking measurements, while in Update Mode, data is taken at a fixed, selectable rate.
The Load Cell 4 Click Board™ communicates with MCU using the standard I2C 2-Wire interface with a clock frequency from 100 up to 400 kHz. The INT pin of the mikroBUS™ socket, used as an interrupt, rises when new output data is ready and falls when the next I2C communication occurs. It is most useful if the part is configured in Sleep Mode to indicate to the system that a new conversion is ready. Besides, this Click board™ also possesses an Enable pin labeled as EN, routed to the CS pin of the mikroBUS™ socket, which serves to turn the ZSC31014's power supply on/off.
The Load Cell 4 Click Board™ is designed to operate with both 3.3V and 5V logic voltage levels selected via the VCC SEL jumper. It allows for both 3.3V and 5V capable MCUs to use the I2C communication lines properly. However, the Click board™ comes equipped with a library that contains functions and an example code that can be used, as a reference, for further development.
| Type | Force |
| Applications | Can be used for safety-critical and weight measurement applications. |
| On-board modules | The Load Cell 4 Click Board™ is based on the ZSC31014, a CMOS integrated circuit for highly accurate amplification and analog-to-digital conversion of differential and half-bridge input signals from Renesas. |
| Key Features | High accuracy, digital compensation of sensor offset, sensitivity,temperature drift, and non-linearity, eight programmable analog gain settings, internal temperature compensation for sensor correction and for corrected temperature output, and more. |
| Interface | I2C |
| Compatibility | mikroBUS |
| Click board size | S (28.6 x 25.4 mm) |
| Input Voltage | 3.3V or 5V |
This table shows how the pinout on the Load Cell 4 Click Board™ corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns).
| Notes | Pin |  |
Pin | Notes | |||
|---|---|---|---|---|---|---|---|
| NC | 1 | AN | PWM | 16 | NC | ||
| NC | 2 | RST | INT | 15 | INT | Interrupt | |
| Enable | EN | 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 | 5V | Power Supply |
| Ground | GND | 8 | GND | GND | 9 | GND | Ground |
| Label | Name | Default | Description |
|---|---|---|---|
| LD1 | PWR | - | Power LED Indicator |
| JP1 | VCC SEL | Left | Logic Level Voltage Selection 3V3/5V: Left position 3V3, Right position 5V |
| JP2 | - | Unpopulated | Bridge Sink Ground Selection |
| Description | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 2.7 | - | 5.5 | V |
| Resolution | - | 14 | - | bits |
| Operating Temperature Range | -40 | - | +125 | °C |
We provide a library for the Load Cell 4 Click Board™ on our LibStock page, as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.
The library covers all the necessary functions to control the Load Cell 4 Click Board™. Library performs a standard I2C interface communication.
The package can be downloaded/installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on mikroE Github account.
void loadcell4_tare ( loadcell4_data_t *cell_data ) - Tare the scales function.uint8_t loadcell4_calibration ( uint16_t cal_val, loadcell4_data_t *cell_data ) - Calibration function.float loadcell4_get_weight ( loadcell4_data_t *cell_data ) - Get weight function.The application is composed of three sections :
void application_task ( )
{
weight_val = loadcell4_get_weight( &cell_data );
log_display( weight_val );
Delay_ms( 100 );
}
Additional Functions :
void log_display ( float display_val ) - Function displays readings as floating point value with two decimal places.The full application code, and ready to use projects can be found on our LibStock page.
Other mikroE Libraries used in the example:
Depending on the development board you are using, you may need USB UART click, USB UART 2 click or RS232 click to connect to your PC, for development systems with no UART to USB interface available on the board. The terminal available in all MikroElektronika compilers, or any other terminal application of your choice, can be used to read the message.
The Load Cell 4 Click Board™ is supported with mikroSDK - MikroElektronika Software Development Kit. To ensure proper operation of mikroSDK compliant Click board™ demo applications, mikroSDK should be downloaded from the LibStock and installed for the compiler you are using.
- attachments: [{"download_file":[{"download_file":"Load Cell 4 Click Board™ Schematic"}],"download_filetype":[{"download_filetype":"pdf"}]},{"download_file":[{"download_file":"Renesas ZSC31014 Signal Conditioner Datasheet"}],"download_filetype":[{"download_filetype":"pdf"}]}] - condition: new - custom_product: false - mpn: MIKROE-4458 - google_product_category: Electronics - custom_label_0: Click Board - device_vendor: Renesas Electronics America Inc. - device_type: ZSC31014EAG1-R - warranty: 12 months - brand: MikroE - manufacturer: Mikroelektronika d.o.o. - target_keyword: Load Cell 4 Click Board - brands: gid://shopify/Metaobject/56256004319 - breadcrumbs: ["gid://shopify/Collection/447955239135","gid://shopify/Collection/241680580797","gid://shopify/Collection/241545969853"] - customhs_code: 847330 - detailed_description: {"type":"root","children":[{"type":"heading","level":3,"children":[{"type":"text","value":"How Does The Load Cell 4 Click Board™ Work?"}]},{"type":"paragraph","children":[{"type":"text","value":"The "},{"type":"text","value":"Load Cell 4 Click Board™","bold":true},{"type":"text","value":" is based on the ZSC31014, a CMOS integrated circuit for highly accurate amplification and analog-to-digital conversion of differential and half-bridge input signals from Renesas. The ZSC31014 has a fully differential chopper-stabilized preamplifier with 8 programmable gain settings (1.5, 3, 6, 12, 24, 48, 96, and 192) through a 14-bit ADC. The resolution of the output depends on the input span and the analog gain setting. The system clock of the ZSC31014 can operate at 1MHz (lower power, better noise performance) or at 4MHz (faster sample rates). Internal DSP core uses coefficients stored in EEPROM to precisely calibrate/condition the amplified differential input signal. Temperature can be measured from an internal temperature sensor, which can be calibrated to compensate for the temperature effects of the sensor bridge."}]},{"type":"paragraph","children":[{"type":"text","value":""}]},{"type":"paragraph","children":[{"type":"text","value":"After the Power-On Reset function, the ZSC31014 wakes, and if it receives the Start_CM command during the command window, it goes into Command Mode. This Mode is primarily used in the calibration environment, and during Command Mode, the device executes commands sent by the I2C master. The ZSC31014 remains in Command Mode until it receives the Start_NOM command, which starts the Normal Operation Mode. Operation after the Power-On sequence depends on whether the part is programmed in Sleep Mode or Update Mode. In Sleep Mode, the ZSC31014 waits for commands from the master before taking measurements, while in Update Mode, data is taken at a fixed, selectable rate."}]},{"type":"paragraph","children":[{"type":"text","value":"The "},{"type":"text","value":"Load Cell 4 Click Board™","bold":true},{"type":"text","value":" communicates with MCU using the standard I2C 2-Wire interface with a clock frequency from 100 up to 400 kHz. The INT pin of the mikroBUS™ socket, used as an interrupt, rises when new output data is ready and falls when the next I2C communication occurs. It is most useful if the part is configured in Sleep Mode to indicate to the system that a new conversion is ready. Besides, this Click board™ also possesses an Enable pin labeled as EN, routed to the CS pin of the mikroBUS™ socket, which serves to turn the ZSC31014's power supply on/off."}]},{"type":"paragraph","children":[{"type":"text","value":"The "},{"type":"text","value":"Load Cell 4 Click Board™","bold":true},{"type":"text","value":" is designed to operate with both 3.3V and 5V logic voltage levels selected via the VCC SEL jumper. It allows for both 3.3V and 5V capable MCUs to use the I2C communication lines properly. However, the Click board™ comes equipped with a library that contains functions and an example code that can be used, as a reference, for further development."}]},{"type":"heading","level":3,"children":[{"type":"text","value":"Specifications"}]},{"type":"paragraph","children":[{"type":"text","value":"Type\nForce\nApplications\nCan be used for safety-critical and weight measurement applications.\nOn-board modules\nThe Load Cell 4 Click Board™ is based on the ZSC31014, a CMOS integrated circuit for highly accurate amplification and analog-to-digital conversion of differential and half-bridge input signals from Renesas.\nKey Features\nHigh accuracy, digital compensation of sensor offset, sensitivity,temperature drift, and non-linearity, eight programmable analog gain settings, internal temperature compensation for sensor correction and for corrected temperature output, and more.\nInterface\nI2C\nCompatibility\nmikroBUS\nClick board size\nS (28.6 x 25.4 mm)\nInput Voltage\n3.3V or 5V"}]},{"type":"heading","level":3,"children":[{"type":"text","value":"Pinout diagram"}]},{"type":"paragraph","children":[{"type":"text","value":"This table shows how the pinout on the "},{"type":"text","value":"Load Cell 4 Click Board™","bold":true},{"type":"text","value":" corresponds to the pinout on the mikroBUS™ socket (the latter shown in the two middle columns)."}]},{"type":"paragraph","children":[{"type":"text","value":"Notes\nPin\nPin\nNotes\nNC\n1\nAN\nPWM\n16\nNC\nNC\n2\nRST\nINT\n15\nINT\nInterrupt\nEnable\nEN\n3\nCS\nRX\n14\nNC\nNC\n4\nSCK\nTX\n13\nNC\nNC\n5\nMISO\nSCL\n12\nSCL\nI2C Clock\nNC\n6\nMOSI\nSDA\n11\nSDA\nI2C Data\nPower Supply\n3.3V\n7\n3.3V\n5V\n10\n5V\nPower Supply\nGround\nGND\n8\nGND\nGND\n9\nGND\nGround"}]},{"type":"heading","level":3,"children":[{"type":"text","value":"Onboard settings and indicators"}]},{"type":"paragraph","children":[{"type":"text","value":"Label\nName\nDefault\n Description\nLD1\nPWR\n-\nPower LED Indicator\nJP1\nVCC SEL\nLeft\nLogic Level Voltage Selection 3V3/5V: Left position 3V3, Right position 5V\nJP2\n-\nUnpopulated\nBridge Sink Ground Selection"}]},{"type":"heading","level":3,"children":[{"type":"text","value":"Load Cell 4 Click electrical specifications"}]},{"type":"paragraph","children":[{"type":"text","value":"Description\nMin\nTyp\nMax\nUnit\nSupply Voltage\n2.7\n-\n5.5\nV\nResolution\n-\n14\n-\nbits\nOperating Temperature Range\n-40\n-\n+125\n°C"}]},{"type":"heading","level":3,"children":[{"type":"text","value":" "}]}]} - summary:The Load Cell 4 Click Board™ is a compact add-on board that contains a resistive sensor signal conditioner with a fast power-up data output response. This board features the ZSC31014, a CMOS integrated circuit for highly accurate amplification and analogue-to-digital conversion of differential and half-bridge input signals from Renesas. This Click Board™ is well suited for sensor-specific correction of bridge sensors and adjustable to nearly all piezo-resistive bridge sensors. Digital compensation of signal offset, sensitivity, temperature drift, and non-linearity is accomplished via an internal signal processor running a correction algorithm with calibration coefficients stored in a non-volatile EEPROM.
The Load Cell 4 Click Board™ has many features that make it a perfect solution for safety-critical and weight measurement applications