Voltage and Current Sensors

Protects 12V batteries by automatically disconnecting the consumer when the voltage drops below the set threshold, preventing deep discharge, restarts itself when the voltage returns to a safe level, finely adjustable threshold from the multi-turn potentiometer, low standby consumption below 10mA, clear status indication via LEDs, relay for DC loads up to 10A resistive, recommended 5A.

Module for non-invasive measurement of AC or DC current, ideal for monitoring consumption without interrupting the circuit. Offers analog output proportional to current and digital output with adjustable threshold for simple triggering, operates at 5V and supports up to ±100A DC or 70A AC. The conductor passes through a 9 mm hole for quick mounting.

It protects DC motors and circuits powered by 6-28V against overcurrent, short circuit and motor stall, also compatible with PWM control. It allows adjustment of the current threshold and trip delay, operates in automatic mode with timed reset or manually via jumper, and the power and alarm LEDs provide quick diagnosis.

Digital module for monitoring DC voltage 0-99.9V and automatic control of a 10A relay, ideal for protecting batteries and sources in charging or discharging applications. Allows setting of minimum and maximum thresholds in 0.1V steps, displays voltage on LED display, includes 7 working modes for flexible control and calibration from buttons.

Compact module for precise measurement of voltage, current and power in DC circuits, ideal for battery management, power supplies and industrial projects. Offers bidirectional current measurement, I2C communication for quick integration with Arduino, ESP32 or Raspberry Pi, integrated 0.1 ohm shunt resistor and calibrated values with typical error up to 1% for stable monitoring.

The INA260 module allows you to precisely monitor voltage, current and power in Arduino and other board projects, ideal for batteries, power supplies and motor control. It measures up to 36V and 15A, offers fine resolution of 1.5mA and accuracy of approximately ±1%, communicating simply via I2C at 3.3-5V.

Hall current sensor for Arduino and 5V systems, measures without breaking the circuit by passing the conductor through the hole. Offers proportional analog output AOUT for bidirectional DC monitoring up to +/-35A and AC up to 25A, plus digital output DOUT with adjustable threshold from potentiometer for overcurrent alarm, with LED indicator.

Ideal for monitoring consumption in DIY and automation projects, this module measures alternating current up to 5A and provides an easy-to-read analog signal with Arduino or other development boards. It integrates quickly into measurement circuits, has compact dimensions for easy mounting, operates stably in industrial and electronic applications, being suitable for load detection and energy control.

Module for measuring DC voltage between 0 and 25V, ideal for projects with Arduino and other development boards. It operates on 3.3-5V power supply, offers good resolution of 0.00489V for stable readings, simply connects via the S pin to the analog input, has compact dimensions of 25 x 13 mm and can display live voltage together with an I2C LCD.

Displays the battery charge percentage quickly for Li-Ion and lead-acid batteries, direct connection to terminals for real-time monitoring, compatible with 3S-15S and 12-48V systems, LCD with blue backlight visible in any conditions, very low power consumption under 5mA, and good accuracy of approximately ±1%, simple button configuration without software.