8PCS L298N Motor Drive Controller Board Dual H Bridge DC Robot Stepper Motor Compatible with Ardu-ino Electric Projects, Smart Car Robot
Dual-channel H-bridge driver working mode creates higher working efficiency,L298N as main chip, Can drive one 2-phase stepper motor, one 4-phase stepper motor or two DC motors..
The L298N driver module, using L298N chip can directly drive two 3-30V DC motor, and provides a 5V output interface, you can chip circuitry to 5V power supply, support 3.3VMCU control, you can easily control the DC motor speed and direction, you can also control the 2-phase stepper motor, smart car essential..
Terminal driver part of the supply area VMS: +5V ~ +35V.
Drive part of the peak current Io: 2A / Bridge.
Logical part of the terminal power supply range Vss :4.5-5 .5V.
Logical part of the operating current range: 0 ~ 36mA.
The control signal input voltage range: 4.5-5.5V low 0V high.
To avoid damage the voltage stabilizing chip, please use an external 5V logic supply when using more than 12V driving voltage.
High working power to 46v, large current can reach 3A MAX and continue current is 2A, power to 25w..
Use large-capacity filter capacitors and diode with freewheeling protection function, increasing reliability, large capacity filter capacitance,afterflow protection diode, more stable and reliable..
Sunnytech 0.5w 5v 100ma Mini Small Solar 1.25w 5v 250ma DIY Polysilicon Solar Epoxy Cell Charger B016-B019
...ind and snow, increase the service life of solar panels. Color coded wires with alligator clips make working with it easy and fun. For those of you who want to connect more than one panel together, this panel has two soldered tabs for permanent connections..
CONNECT SOLAR PANELS IN PARALLEL OR IN SERIES---- When the voltage of your solar panel doesn’t satisfy your storage battery, you can take two or more same solar panels together in series. Such as, two 5.5v solar panel connect together in series, so its voltage is 11V. When the voltage of solar panel satisfies your storage battery. In order to speed up the rate of charge, you can take two or more same solar panel together parallel connection..
BLOCKING DIODE INSTALLED ----A blocking diode installed already in the backside to protect the solar panel from over-charging and current backflow..
EDUCATION---- Solar panels are devices that absorb sunlight and convert solar radiation directly or indirectly into electricity through photoelectric or photochemical effects, it's perfect devices for science project..
...【AUTO SHUT-DOWN FUNCTION】: Our advanced electronic transistor tester with automatic shutdown and manual shut-down function.use accessories, more convenient and efficient to complete your project. One button operation, automatic shutdown with only 20nA shutdown current..
▶►▷【STABLE PERFORMANCE】: Forward voltage drop measurements of diodes, LEDs and transistor base-emitter junctions. Can be in correct order and the diode symbol display two diodes, and gives the diode forward voltage. Each test takes about two seconds, with only large capacitors and inductance measurements taking longer..
▶►▷【FINE WORKMANSHIP】: Put the pins of component in corresponding area, then dial the little handle and the detector will test it automatically, finally the results will display on the back light TFT screen clearly. Fine workmanship and good performance. Durable and easy to use..
▶►▷【WARRANTY & GUARANTEE】: 6 month extended warranty and 24/7 friendly customer service. Any situations, please feel free to contact us by email, especially when you need the manual. We gladly accept your return within 30 days after your purchase for FULL REFUND with no questions asked..
Si Metal Element, Semiconductor Silicon, Silicon Metal, Specialty Metal Raw Materials, 99.99% High Purity for Producing Converter for Making Solar Cell(50g)
Its electric conductivity strengthens as temperature rises, so it is a good semiconductor material and can be used to produce converter, transistor, diode, etc..
It can also be used to make solar cell, conversing solar to electricity..
99.99% high purity monocrystalline silicon block..
Perfect raw material for monocrystalline wafer production..