★Adjustable Regulated Power Supply: It is an AC-DC 110V to 1.25V-12V LM317 Adjustable Step Down Power Supply Buck Voltage Converter LED Display DIY Kit. The module can output stable voltage. You can change output by operating a potentiometer ★Multifunctional Welding Training Kit: This kit is suitable for teaching and training as well as for beginners to practice. It is a good choice for electronic enthusiasts. Very good for training your kid's and student's Hands-on ability and learning ability. Please read the user manual for the welding method ★RC Signal Generator: 1 channel adjustable signal generator output, convenient to provide pulse signals to the experimental circuit. Because the output current is not large, it is only suitable for powering small current circuits. If the power supply load is too large, the voltage will drop. Can't charge the phone ★Logic Signal Test Circuit: The adjustable regulated voltage power supply electronics kit has a logic pen function, which is convenient for testing the logic level of the circuit. With 1 channel buzzer. Can test the continuity of the wire, and can also test low-frequency signals ★Application: It can be used as a low-power power supply, signal generator, and logic signal tester. There is a buzzer function for sensor alarms, such as soil moisture alarm, temperature alarm, etc. Product description Introduction It is an AC-DC 110V to 1.25V-12V LM317 Adjustable Step Down Power Supply Buck Voltage Converter LED Display DIY Kit. It can output stable voltage. Users can change output by operating a potentiometer. It also can be used as a signal generator or logic circuit or buzzer alarm circuit. Note: 1>. It is a DIY kit so that needs finish install by the user. 2>. Its max output power is 2.5W. 3>. It can not be used as a charger. Since the output current is not large, it can only supply power to the small current circuit. If the power supply load is too large, the voltage will drop. Can't charge the phone Feature AC 110V input work voltage Adjustable output voltage RC Signal generator Logic signal test circuit Buzzer alarm circuit DIY manual soldering Simple and easy to operate 1 Channel Buzzer Detection circuit conduction status: connect the wire to the positive terminal of the power supply and the signal input terminal, when the wire is connected, the buzzer will sound Test low-frequency signal: input the signal from the signal input terminal, if there is a signal, the buzzer will sound Signal Adjustment Potentiometer You can increase or decrease the strength of the signal as needed, and manually adjust it for convenience and speed. Long Handle Voltage Adjustment Knob 1.25-12V adjustable regulated output, output current 200mA, suitable for powering small DIY circuits Installation Tips: 1>. The user needs to prepare the soldering tool first. 2>. Please be patient until the installation is complete. 3>. The package is a DIY kit. It need finish installing by the user. 4>. The soldering iron can't touch the components for a long time(1.0 seconds), otherwise, it will damage the components. 5>. Pay attention to the positive and negative of the components. 6>. Strictly prohibit short circuits. 7>. Install complex components preferentially. 8>. Make sure all components are in the right direction and right place. 9>. Please wear anti-static gloves or anti-static wristbands when installing electronic components. 10>. It is strongly recommended to read the installation manual before starting installation!!! Input voltage AC 110V Output voltage DC 1.25V-12V Output current 200mA Output power 2.5W Power wire length 100cm Output wire length 20cm Work Temperature -40℃~85℃ Work Humidity 0%~95%RH Size(Installed) 4.41*2.68*1.57 inch
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