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Voltmeter Ammeter Kit - Blue Backlight LCD
Voltmeter Ammeter can measure voltage 0-70V or 0-500V with 100mV resolution and current consumption 0-10A or more with 10mA resolution. The meter is a perfect addition to any power supply, battery chargers and other electronic projects where voltage and current must be monitored. The meter uses PIC16F876A microcontroller with built-in ADC (Analog to Digital Converter) and 16 x 2 LCD display with blue backlight. With slight modification it is possible to measure higher voltage and current.
View Schematic
To measure voltage that is higher than 70 Volts simply replace R3 6.8K resistor with included 1K resistor. This will allow to measure up to 500 Volts.
To measure current that is higher than 10A simply replace 0.47 Ohm 5W power resistor with higher wattage or lower resistance resistor. For example 0.1 Ohm 10W resistor will allow to measure up to 20 Amps.
This kit comes with all the parts required to build Voltmeter Ammeter including PCB with beautiful red solder mask and plated through holes. Voltmeter can also measure AC voltage if rectifier bridge is added to voltage input. This meter can both measure and be supplied by the same power source.
Specifications
 Voltage Supply: 6 - 30V
Current Consumption: 10mA
Voltage Input: 0 - 70V / 0 - 500V @ 100mV Resolution
Current Input: 10mA - 10A @ 10mA Resolution
Component List
1x 16 x 2 LCD Display with Blue Backlight
1x PIC16F876A - Programmed microcontroller
1x High Quality PCB with red solder mask and plated through holes
1x 28-DIP IC Socket
1x 4MHz Resonator
1x 16 x 1 Gold Plated Male Header
1x 16 x 1 Gold Plated Female Header
1x 4 x 1 Gold Plated Header
1x LM7805 5V Voltage Regulator
1x 10K Trimmer Potentiometer
1x 4 x 10K Network Resistor
2x 100K 1% Metal Film Resistor
2x 6.8K 1% Metal Film Resistor
1x 1K 1% Metal Film Resistor
1x 10 1% Metal Film Resistor
1x 0.47 Ohm 5W Power Resistor
1x 100nF Ceramic Capacitor
1x Manual with Schematic |
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Voltmeter Ammeter Kit
Voltmeter Ammeter can measure voltage 0-70V or 0-500V with 100mV resolution and current consumption 0-10A or more with 10mA resolution. The meter is a perfect addition to any power supply, battery chargers and other electronic projects where voltage and current must be monitored. The meter uses PIC16F876A microcontroller with built-in ADC (Analog to Digital Converter) and 16 x 2 LCD display with green backlight. With slight modification it is possible to measure higher voltage and current.
View Schematic
To measure voltage that is higher than 70 Volts simply replace R3 6.8K resistor with included 1K resistor. This will allow to measure up to 500 Volts.
To measure current that is higher than 10A simply replace 0.47 Ohm 5W power resistor with higher wattage resistor. For example 20W 0.47 Ohm resistor will allow to measure up to 20 Amps.
This kit comes with all the parts required to build Voltmeter Ammeter including PCB with beautiful red solder mask and plated through holes. Voltmeter can also measure AC voltage if rectifier bridge is added to voltage input. This meter can both measure and be supplied by the same power source.
Specifications
Voltage Supply: 6 - 30V
Current Consumption: 10mA
Voltage Input: 0 - 70V / 0 - 500V @ 100mV Resolution
Current Input: 10mA - 10A @ 10mA Resolution
Component List
1x 16 x 2 LCD Display with Green Backlight
1x PIC16F876A - Programmed microcontroller
1x High Quality PCB with red solder mask and plated through holes
1x 28-DIP IC Socket
1x 4MHz Resonator
1x 16 x 1 Gold Plated Male Header
1x 16 x 1 Gold Plated Female Header
1x 4 x 1 Gold Plated Header
1x LM7805 5V Voltage Regulator
1x 10K Trimmer Potentiometer
1x 4 x 10K Network Resistor
2x 100K 1% Metal Film Resistor
2x 6.8K 1% Metal Film Resistor
1x 1K 1% Metal Film Resistor
1x 10 1% Metal Film Resistor
1x 0.47 Ohm 5W Power Resistor
1x 100nF Ceramic Capacitor
1x Manual with Schematic |
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Dual Channel Voltmeter Kit
Dual channel voltmeter measures voltage from 0V up to 70V providing excellent reading accuracy and 100mV resolution. It has two input channels for measuring two voltage sources at the same time. Dual channel voltmeter kit uses PIC16F876A microcontroller with built-in ADC (Analog to Digital Converter) and 16 x 2 backlighted LCD display.
Kit comes with all components required to build high quality dual channel voltmeter kit including premium quality PCB. Voltmeter can also measure AC voltage if full bridge rectifier is added to voltage input. Dual channel voltmeter can both measure and be supplied by the same power source.
Dual Channel Voltmeter Schematic
Component List
1x 16 x 2 LCD Display with Green Backlight
1x PIC16F876A - Programmed microcontroller
1x High Quality PCB with red solder mask and plated through holes
1x 28-DIP IC Socket
1x 4MHz Resonator
1x 16 x 1 Gold Plated Male Header
1x 16 x 1 Gold Plated Female Header
1x 4 x 1 Gold Plated Header
1x LM7805 5V Voltage Regulator
1x 10K Trimmer Potentiometer
1x 4 x 10K Network Resistor
2x 100K 1% Metal Film Resistor
2x 6.8K 1% Metal Film Resistor
1x 10 1% Metal Film Resistor
1x 100nF Ceramic Capacitor
1x Manual with Schematic
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