Switching Power Supply 5v 30A scr 7V Lithium polymer batteries and

7V Lithium polymer batteries and built in battery charging

and both fresh and saltwater systems

breakout-board format Sound Sensor LM386 sound sensor with analog and digital output analog output What you can build

Thanks to an easy to learn AT command set

Digital temperature conversion and output: Digital temperature conversion and output

Switching Power Supply 5v 30A scr 7V Lithium polymer batteries andAC DC switching power supply, 12V 30A. Metal ventilated case, screw terminals, and a trim pot for fine tuning output. Good for LED strips, CCTV, amplifiers, motors, 3D printer parts, and other high current 12V loads. Specs Model S 360 12 Output 12V DC, 30A Power Rating 360W Input 110V 220V AC Case Ventilated metal Connection Screw terminals Adjustment Voltage trim pot