- Product Describe: Adjustable regulated power supply assembled DIY kit, 110V input voltage, 1.25V-12V adjustable voltage output. Suitable for electronic DIY electronics enthusiasts to learn, welding practice. And can be used for electronic DIY small circuit power supply.
- Product function: output current: 200mA, suitable for DIY small circuit power supply, one adjustable signal generator output, convenient to provide pulse signals to the experimental circuit, logic pen to test the logic level, and a buzzer to test whether the circuit is powered And low frequency signals.
- welding skills: 1. Weld small components such as resistors and capacitors first. 2. Weld LM317 to the radiator. 3. Weld voltmeter-4. Weld transformer-5. Fix transformer and PCB with screws. folder. Required tools: electric iron: 30W, solder wire: 0.8-1mm, tweezers, diagonal pliers.
- Product parameters: Transformer power: 2W, Shell size: 11.2x6.9x4cm, PCB size: 7.2x6.2cm, Weight: 270g. Blue LED: Power operation indication. Yellow LED: signal indicator. Red LED: high logic level indication. Green LED: Low logic level indication.
- Adjustment: 1. The voltage is not adjustable. Check for short circuit in the welding behind the voltmeter; 2. The voltage adjustable range is small; check the R1 resistor for errors. Suitable for circuits below 200mA. The product contains instructions and provides technical guidance.
"Description Output voltage:1.25-12V output current:200mA input voltage:110V Transformer power:2.5W power cable length: 1 meter output cable length:20cm size:11.2x6.9x4cm cover material:plastic PCB size:7.2x6.2cm weight:270g Common problem: 1. The output voltage does not reach 12v? Answer: Firstly, check whether the output voltage of the transformer can reach 12v. If it is, the transformer is not faulty. Then, after checking the welding of the circuit board, you can take two high-definition welding diagrams and send them to us (front and back of the circuit board). We will answer for it. Otherwise, the transformer is broken. Please contact customer service to arrange send a new one."
- Package Dimensions : 4.88 x 4.09 x 1.97 inches; 9.14 ounces
- Date First Available : November 14, 2019
- Manufacturer : eta
- Country of Origin : China
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