Instek GPD-4303S 200W Quadruple-Output Programmable Linear DC Power Supply, 30V DC, 3 Amp, 1mV, 1-milliamp Resolution The Whadda WSSA130 3D LED

The Whadda WSSA130 3D LED Christmas Tree intermediate skill level soldering kit includes an illustrated assembly manual and all the components needed to build the ultimate Christmas gadget

a USB host port for storing data on a flash drive (sold separately)

test buttons and LED indicators to carry out educational experiments such as the enclosed programming examples

spare parts tube

you can use the Stereo Amplifier as an intercom

Instek GPD-4303S 200W Quadruple-Output Programmable Linear DC Power Supply, 30V DC, 3 Amp, 1mV, 1-milliamp Resolution The Whadda WSSA130 3D LEDLinear power supply unit provides a constant source of DC voltage and current for powering and testing electronic devices Two outputs supply adjustable voltage up to 30VDC and current up to 3 amp Third output supplies adjustable voltage from 0 to 5V or 5 to 10VDC and current from 0 to 3 or 0 to 1 amp, and fourth output supplies adjustable voltage from 0 to 5VDC and current from 0 to 1 amp Digitally controlled knobs for fine and coarse adjustment of