arduino - Interpreting rating label of DC power supply - supposed to be a constant voltage source or a constant current source? - Electrical Engineering Stack Exchange

Link to product store page Hi all, bit of a beginner question here. According to the output section of the label, this is a 12V, 1000mA power supply. This is confusing me a bit. Is this device mea

Eversame 2 in 1 Type C USB Tester Color Screen LCD Digital Multimeter, USB C Voltage Current Voltmeter Amp Volt Ammeter Detector USB Cable Charger Indicator DC3.6-30V/0-5.1A

LM317 Constant Current Circuit: Common Anode (high current) RGB star help.. - Project Guidance - Arduino Forum

Electronic Load Archives

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USB Power Meter, Eversame 35W Adjustable Constant Current Electronic USB Load Tester Power Discharge Resistor With QC2.0/3.0 Trigger–For Testing Chargers And Cables/The Capacity of Power Bank: : Tools & Home Improvement

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Constant current source

build a constant current supply - Electrical Engineering Stack Exchange

Accurate Constant-Current, Constant-Voltage 20A Power Supply Ensures Safe Charging of Supercaps and Li-Ion Batteries

build a constant current supply - Electrical Engineering Stack Exchange