The HU-050 multifunctional instrument DIY soldering kit integrates multiple functions, including dual-channel voltage/current measurement, internal and external dual-channel temperature detection, logic level/continuity/frequency measurement, adjustable PWM signal output, and 3.3V/5V level output. It features dual three-digit LED displays for real-time reading and comes with a transparent acrylic shell. This kit is ideal for beginners in electronics training, electrical engineering education, and repair/debugging soldering experiments.

Product parameters:
Product name: multifunctional instrument making kit
Power supply: USB 5V
Operating voltage: 5V
Operating current: static <30mA
PCB size: 89*65mm

Six core functional modules:
1. High-Precision Voltage and Current Measurement:
Dual-channel terminal synchronous detection of load voltage and loop current; dual four-digit LED displays for real-time value display; intuitive reading of power consumption data for power supply repair, drive circuit, and microcontroller power supply debugging.
2. Dual-channel Temperature Acquisition:
Onboard NTC thermistor detects ambient room temperature; external NTC probe can measure the temperature of external objects. Dedicated for temperature control circuits, heat dissipation module experiments, and equipment temperature rise testing.
3. Multi-functional Signal Detection Port:
One-button switching of measurement modes: digital logic level high/low judgment, circuit continuity alarm, square wave signal frequency reading, quickly troubleshooting digital circuit faults and wire breaks.
4. Adjustable PWM Signal Generator:
Two independent precision potentiometers adjust the PWM output frequency and duty cycle respectively, outputting a stable and adjustable pulse signal for motor speed control, LED dimming, driver module debugging, and microcontroller experimental signal source.
5. 3.3V/5V Standard Level Output:
Two independent reference level output terminals provide standard test power to microcontrollers, sensors, and logic chips, eliminating the need for external power supplies when debugging digital chips and sensor modules.
6. Three 5V Power Supply Options:
Selectable power supply via DC round plug, Micro USB, or terminal block. Power can be supplied via computer USB, DC adapter, or lithium battery. Suitable for desktop debugging and portable use.
Port description:

Function demonstration:

When using it for the first time (only one calibration is needed), after powering on, do not connect a load. Press and hold SW2 until the digital tube flashes once, and the calibration is complete.
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