Over Current Alarm with 15 Segment Bar-Graph Display
This Bar-Graph Display provides a high visibility 15-Segment Bar-Graph display for current measurements. A buzzer provides audible sound when an over-current condition event occurs. The 15 segments are made with Red, Blue, Green, and yellow color LEDS. All LEDs are SMD size 1206. This tiny board can display 0 to 2A current and provide an Alarm sound when the current level goes more than 2A. The project is Arduino-compatible and is based on an ATMEGA328 chip. INA198 chip measures the load current across the shunt resistor and provides an output voltage to ADC of ATMEGA328. The microcontroller drives and controls the 15 LEDs connected to I/O lines.
The project is Arduino-compatible. Connectors CN2 and CN3 are provided for Arduino programming and boot-loader. An example Arduino code is available as a download. Users may modify and write their code. Refer to the diagrams below for Bootloader and Arduino programming connection. Each LED display consumes approx. 125mA current and the ADC Map values to 15Leds + Buzzer.
Features
- Power 5V DC
- 15 Bar-Graph LEDs (Red. Green, Blue, Yellow Colour)
- Buzzer for Over Current
- INA198 Current to Voltage Converter Chip
- Arduino Compatible Project
- Header Connector for Current Measurement
- Header Connector for Arduino Programming and Bootloader
- PCB Dimensions 59.37 x 19.84mm
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This Bar-Graph Display provides a high visibility 15-Segment Bar-Graph display for current measurements. A buzzer provides audible sound when an over-current condition event occurs. The 15 segments are made with Red, Blue, Green, and yellow color LEDS. All LEDs are SMD size 1206. This tiny board can display 0 to 2A current and provide an Alarm sound when the current level goes more than 2A. The project is Arduino-compatible and is based on an ATMEGA328 chip. INA198 chip measures the load current across the shunt resistor and provides an output voltage to ADC of ATMEGA328. The microcontroller drives and controls the 15 LEDs connected to I/O lines.
The project is Arduino-compatible. Connectors CN2 and CN3 are provided for Arduino programming and boot-loader. An example Arduino code is available as a download. Users may modify and write their code. Refer to the diagrams below for Bootloader and Arduino programming connection. Each LED display consumes approx. 125mA current and the ADC Map values to 15Leds + Buzzer.
Features
- Power 5V DC
- 15 Bar-Graph LEDs (Red. Green, Blue, Yellow Colour)
- Buzzer for Over Current
- INA198 Current to Voltage Converter Chip
- Arduino Compatible Project
- Header Connector for Current Measurement
- Header Connector for Arduino Programming and Bootloader
- PCB Dimensions 59.37 x 19.84mm
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