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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.13
mikroSDK Library: 2.0.0.0
Category: Current sensor
Downloaded: 536 times
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License: MIT license
AC Current Click is a device that is able to measure the alternating current (AC) running through the conductor, using the so-called non-invasive current sensor. The non-invasive sensor works by utilizing the electromagnetic induction phenomenon, similar to a transformer. The primary coil does not exist though, the electromagnetic field is generated by the AC Current running through the cable which is measured. The core of the sensing probe is split, allowing it to clamp on the current conducting cable. Since the sensor does not influence the measurement circuitry in any way while being galvanically isolated at the same time, it is an ideal solution to measure current running through mains, or similar high voltage installations.
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| DOWNLOAD LINK | RELATED COMPILER | CONTAINS |
|---|---|---|
| 3362_ac_current_click.zip [474.51KB] | mikroC AI for ARM GCC for ARM Clang for ARM mikroC AI for PIC mikroC AI for PIC32 XC32 GCC for RISC-V Clang for RISC-V mikroC AI for AVR mikroC AI for dsPIC XC16 |
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AC Current Click is a device that is able to measure the alternating current (AC) running through the conductor, using the so-called non-invasive current sensor. The non-invasive sensor works by utilizing the electromagnetic induction phenomenon, similar to a transformer. The primary coil does not exist though, the electromagnetic field is generated by the AC Current running through the cable which is measured. The core of the sensing probe is split, allowing it to clamp on the current conducting cable. Since the sensor does not influence the measurement circuitry in any way while being galvanically isolated at the same time, it is an ideal solution to measure current running through mains, or similar high voltage installations.
We provide a library for the AcCurrent Click as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.
Package can be downloaded/installed directly form compilers IDE(recommended way), or downloaded from our LibStock, or found on mikroE github account.
This library contains API for AcCurrent Click driver.
accurrent_cfg_setup Config Object Initialization function.
void accurrent_cfg_setup ( accurrent_cfg_t *cfg );accurrent_init Initialization function.
err_t accurrent_init ( accurrent_t *ctx, accurrent_cfg_t *cfg );accurrent_get_a Gets current value of AC Current in A.
float accurrent_get_a ( accurrent_t *ctx );accurrent_get_ma Gets current value of AC Current in mA.
float accurrent_get_ma ( accurrent_t *ctx );This application measures AC current through a conductor.
The demo application is composed of two sections :
SPI driver and slick initialization.
void application_init ( void )
{
log_cfg_t log_cfg;
accurrent_cfg_t cfg;
/**
* Logger initialization.
* Default baud rate: 115200
* Default log level: LOG_LEVEL_DEBUG
* @note If USB_UART_RX and USB_UART_TX
* are defined as HAL_PIN_NC, you will
* need to define them manually for log to work.
* See @b LOG_MAP_USB_UART macro definition for detailed explanation.
*/
LOG_MAP_USB_UART( log_cfg );
log_init( &logger, &log_cfg );
log_info( &logger, "---- Application Init ----" );
// Click initialization.
accurrent_cfg_setup( &cfg );
ACCURRENT_MAP_MIKROBUS( cfg, MIKROBUS_1 );
accurrent_init( &accurrent, &cfg );
}
Reads the value of AC current and displays it on the USB UART.
void application_task ( void )
{
float ac_current = 0;
ac_current = accurrent_get_ma( &accurrent );
log_printf( &logger, "Current value: %.3f mA\r\n", ac_current );
Delay_ms ( 1000 );
}
An appropriate AC Current sensor needs to be connected to the Click board.
The full application code, and ready to use projects can be installed directly form compilers IDE(recommneded) or found on LibStock page or mikroE GitHub accaunt.
Other mikroE Libraries used in the example:
Additional notes and informations
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.
