Materials: a toy pony, a pulley with a diameter equal to 20 cm, a round rod pencil head, latex, a rubber band, 5V A small light bulb, a piece of wood. Method: (1) Fix the little motor on the board.
Press two thumbtacks on the cork, secure one end of the remaining wire to a thumbtack, and then secure the other end of the wire connected to the battery to the other thumbtack. Now, there are two more wires with nothing attached to one end. Bend the two joints into a cesium shape and hang them on the two washers. Touch the coin to the two thumbtacks and the spool will move.
Because of the variety of generators made by oneself, try to achieve a voltage of 8~10V, DC (if it is AC, needTo add a rectifier circuit), the output current is equivalent to the charging current of the mobile phone, add a voltage regulator to the generator output and connect it to the charging interface of the mobile phone. Charging current below 1A, use 7805,1 pin input, 2 pin grounding, 3 pin output, if it is AC, add a rectifier circuit.
Hand charger can charge the mobile phone in the case of no power supply, has the function of emergency charging, and has a wide range of application prospects. Motor production method: The copper wire (enamelled wire) is wound along the two end faces of the spool into a coil group. Secure the coil winding with a rubber band. Thread the skewer through the center of the spool to connect the two ends of the coilMaterial assembly Wireless charging manual : The receiver extended data line, installed on the nut cover just now. Material assembly: Then find a tripod and attach the colander to the tripod. Conclusion: Finally connect the finished receiver terminal and place it at a slightly higher point in the room towards the window. Then connect the extended data cable to the computer, check the wireless signal you will suddenly find that the signal is suddenly stronger.
2, Method: First find a slotted spoon, it is best to find a do not. Fallen leaves look for new ones in order to look good. Use needle-nose pliers in the center of the colanderCut a small circle. It'll look better if you cut it regular. As shown in the following picture. After cutting, install the prepared nut on the center of the slotted spoon. As shown in the following picture. Then install the extended data cable of the receiver to the nut cover just now. As shown in the following picture.
3, first of all need to prepare a colander, a tripod, of course, the colander is best to use the old wireless charge handmade ; After preparing the colander, you need to cut a small hole in the bottom center of the colander, if the rule is cut, of course, it will be more beautiful, of course, if there is no ruleAlso don't worry about the function.
4, the selection of the first online collection of antenna information, see a lot of foreign antenna DIYER made WIFI antenna is really varied! There are spiral antennas, Yagi antennas, diamond-shaped antennas, grid antennas, and canned antennas... It's dazzling to see. After repeated screening, the production target is finally locked on the copper wire antenna. It is chosen as a DIY object mainly because this antenna is convenient and efficient! Perfect for beginners.
5, the method is as follows: First prepare a bottle, then cut half, put some magnetsIt's inside. Then find your router and fix the bottle to wifi. You need to turn off your router before you do it, so you don't get hurt. After the bottle is secured and the router is turned on, you will find that the wifi signal is much better than before. A wifi signal receiver is thus finished.
Step 1 Wireless charging manual production : preparation and control before control Wireless charger handmade , make sure that the joystick of auxiliary controller Wireless charger handmade is turned off. When taking off, gently release the medium throttle, and the maximum throttle is used for fast takeoff. Keep the throttle steady while steering, and control the direction of flight by moving the joystick from side to side. When landing, remember to lower the throttle and pay attention to the power warning in case the power runs out.
If the plane does not have regular wings, for example, how to measure the center of gravity of the paper plane is very simple to make the plane do not install equipment can use five batteries or other weightsIf you glide smoothly like the paper plane you made when you were a child, it is OK to glide more than 5 meters without looking up and cutting the center of gravity, and then mark the position of the center of gravity with a pen to install the equipment.
The folded paper is opposite, and then the two sides are folded outward to form the wing of the paper airplane, and then the tail of the airplane is folded into a triangle, and finally the two sides of the wing are folded up a little. The DC-3 aircraft is a twin-engine piston airliner produced and put into use by the Douglas Aircraft Company in 1936. Single wing, all metal body. The 895kW high-power engine can carry 21 passengers and reach a cruising speed of 310km/h.
Preparation material: one quarter of A4 colored paper. Fold 21x15cm of origami paper in half along the long side, the two corners in half toward the center line to form a triangle, and fold it two more times. Fold the end out, then fold it in half along the center line, and fold the middle part up. Open the middle part, press down and fold flat, and fold the ends up. Concave the middle along the crease and fold the end up.
Connect the standard charger and data cable of the mobile phone to the wireless charger, and then put the mobile phone in the center position of the left and right of the wireless charger base, you can realize wireless charging, the indicator light will have a breathing effect, 5 seconds later, plug and play, convenient and quick.
To change an ordinary mobile phone to wireless charging, it is usually necessary to use a wireless charging receiver and the corresponding modification tool. Please note, however, that this modification may damage the phone or void the warranty, so it is recommended to proceed only after fully understanding the risks and consequences. Wireless charging technology, which has gained popularity in recent years, allows users to charge devices without plugging in a cableElectricity. However, not all phones support wireless charging natively.
Open the Settings of the Huawei mobile phone. Click the "Battery" option to enter. On the battery page, click the "Charging Settings" option to enter. On the Charging Settings page, turn on Wireless Reverse Charging. Finally, wireless charging can be successfully connected.
You can buy a compatible wireless charging dock over the Internet. Note that while some third-party chargers may be compatible with your phone, not all of them have been certified and could therefore cause damage to your device. Enable wireless charging: Open Settings and selectSelect Battery. On the "Battery" page, you should be able to see the "Wireless Charging" option. By default, the wireless charging option is turned on.
Mobile phone wireless charging motherboard welding line definition refers to the circuit line welded on the mobile phone wireless charging motherboard. These welded wire connections are not only for fixing electronic components, but more importantly for achieving normal transmission and communication functions of the circuit. The reason is that the various electronic components on the mobile phone wireless charge motherboard need to be connected to each other through welding wires to buildThe path of the vertical circuit.
General wireless charging output is five volts, is to be connected to the phone's data cable jack here. Android head as long as one positive and one negative on the line, Apple 3-4 with, more than two are D D-, the 2 can be short together is 3, type-c connector is one positive and two negative. If the wireless reception adds a battery management chip, then the output is 2V, you can directly connect the positive and negative terminals to the mobile phone battery to charge.
Wireless charging is what is going on, as the name suggests is charging do not plug the cable. Similar to WiFi, it is very convenient. In theory, you can hand it anywhere, anytimeComputer and other electronic equipment power supply. However, wireless charging can not be transmitted as far as WiFi for the time being, and now mature solutions can only achieve wireless charging within a distance of 10mm, generally a distance of about 3~5mm is better, such wireless charging technology uses magnetic induction wireless charging technology.
Contact 4 is the antenna signal output. 2 or 3 is the ground wire of the antenna and can be connected. 2: No components behind the first picture? If there is no device, the channel is invalid.
You have a problem with your charging port, and if a non-professional fixes it, they may tell you it's just chargingThe port is broken, but it may actually be a problem with the charging module of the motherboard. Because dismantling an iPhone is a troublesome thing, we suggest that you first go to Apple for after-sales testing to determine the specific problem, and then we can discuss a most suitable repair plan.