Solar Panel DIY 4V 30mA

BD137 Plastic Medium-Power Silicon NPN Transistors pack 5ps features:
Material: Silicon Polarity: N-P-N Encapsulated: TO 126 Audio amplifier, driver
VCBO collector-base voltage: 60V VCEO collector-emitter voltage: 60V VEBO emitter-base voltage: 5V Collector continuous current: 1.5A Typical gain of direct current. hfe: 40-160
Maximum power dissipation: 12.5 Watt if T <= 25ºC Working frequency: 250 MHz

Typical gain of direct current. hfe: 40-160

Ideal to power your Arduino board through the power input.
Adapter Battery 9V 6F22 Jack Connector DC features:
- Cable 7cm long
- Battery connector 9V, 6F22
- Male connector DC 5.5 / 2.5

Small Probe Test for Multimeter Black features:
- 100% new and high quality
- Material: brass and plastic
- Powerful spring pulling the min hooks to grasp the small components firmly and avoid any short circuit
- Hands free to repair, you can connect the clips to multi-meter or DC POWER by a track
- It will help you to test IC or repair the cell phone and other mini electronic products more conveniently
- Length: 4.3 cm / 1.69 "
- Size of the brass hook: approximately 0.9mm x 0.4mm
- Color: black

Embellisher features:
- Color black and red, white, yellow, orange
- Upper diameter: 0.9 cm
- Lower diameter: 1.5 cm
- Height: 1.6 cm
- Inside hole diameter: 0.6 cm

It is used to pass the current, power electrical and electronic circuits, fans, motors, among others. Black Crocodile Clip KK1 with Banana Plug features:
- Total length: 53 mm
- Handle length: 34 mm
- Color: Black
- Banana shot: yes
- Isolated terminals: yes
- Maximum opening: Around 9 mm
- Conductive material: Nickel-plated steel
- Includes 1 unit

Prototype Board MB-102 Protoboard 830 points Arduino features:
- 830 Connections
- Linkable with other boards
- Base with adhesive to attach it to the work surface
- Measures 165x 55x8mm

It is used to pass the current, power electrical and electronic circuits, fans, motors, among others. Red Crocodile Clip KK1 with Banana Plug features:
- Total length: 53 mm
- Handle length: 34 mm
- Red color
- Banana shot: Yes
- Isolated terminals: Yes
- Maximum opening: Around 9 mm
- Conductive material: Nickel-plated steel
- Includes 1 unit

Male jack connectors (2.1mm internal and 5.5mm external)  for powering devices such as 12V/ 24V LED strips, CCTV (Cameras), Arduino.  Easy to install, quick connector without screw - Quick Wire Connector.