Liquid Level Indicator for Tanks and Cisterns
Price range: €8.50 through €17.00 incl. VATLiquid level indicator for vats, tanks and cisterns.
Components & enclosures
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Sensors -
SensorsLiquid Level Sensor – 200 mm
€10.66excl. VAT€13.00incl. VATMade of stainless steel and fitted with a float, it is used to detect the level of a liquid inside a tank and can switch on a pump, a warning lamp, an alarm or another device
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SensorsLiquid Level Sensor – 45 mm
€4.92excl. VAT€6.00incl. VATMade of stainless steel and fitted with a float, it is used to detect the level of a liquid inside a tank and can activate a pump, an indicator light, an alarm or another device
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SensorsLiquid Level Sensor Board – 48 mm sensing depth
€3.69excl. VAT€4.50incl. VATImmersed in a liquid it returns a voltage proportional to the level, down to a depth of 48 mm; it runs on 2 to 5 Vdc.
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Voltage regulators -
Voltage regulators
LM2576T-5 – Switching voltage regulator 5 V/5 A
€3.77excl. VAT€4.60incl. VATSwitching voltage regulator, 5 V/5 A.
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Voltage regulators
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Comparators -
Voltage regulatorsLM317 REGULATOR
€0.57excl. VAT€0.70incl. VATAdjustable voltage regulator from 1.2 V to 37 V, TO220 package.
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Operational amplifiersLM324 Quad Operational Amplifier
€0.66excl. VAT€0.80incl. VATFour independent operational amplifiers in a single 14-pin PDIP package, for filters, summing stages and gain stages.
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Voltage regulators
LM337 Adjustable Negative Voltage Regulator – TO220
€1.31excl. VAT€1.60incl. VATAdjustable negative voltage regulator from 1.2 V to 37 V, TO220 package.
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ComparatorsLM339N – Voltage Comparator IC – DIP14
€0.98excl. VAT€1.20incl. VATVoltage comparators in a 14-pin PDIP package: they compare two voltages and output an on/off signal.
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Operational amplifiers
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Cooling & heatingLM35-based automatic cooling fan control board
Price range: €14.00 through €25.00 incl. VATTurns the cooling system’s fan on and off, depending on the connected system’s detected temperature.
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Operational amplifiers -
Amplifier ICs -
Comparators
LM393 Dual-Channel Precision Comparator
€0.74excl. VAT€0.90incl. VATDual comparator in a PDIP8 package, powered from 2 to 36 Vdc, with 2 mV input offset and TTL- and CMOS-compatible outputs.
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Special functionsLM567 Tone Decoder
€3.20excl. VAT€3.90incl. VATDetects the presence of a tone at the set frequency and switches its output: used in receivers and tone-controlled equipment.
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CommunicationLogic level converter 3.3V-5V
€2.05excl. VAT€2.50incl. VATSmall device that converts logic levels from 5 V to 3.3 V and vice versa
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RF transmittersLoRa radio remote control (433 MHz) – assembled
€31.15excl. VAT€38.00incl. VATHandheld transmitter built around the SX1278 LoRa radio module (433 MHz) and driven by an ATmega32u4 microcontroller