怎么正確認識自己-如何正確認識自我 悅納自我

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1、初學(xué)者必備的電子制作工具和材料（Essential electronic tools and materials for beginners） Essential electronic tools and materials for beginners Electronic beginners, for beginners should they purchase what is very confused, or on the electronic market better buy, while in the shop owner boasting or as if it were

2、 raining flowers, in a variety of "amateur electronic training" repurchase expensive but not practical, even outdated "electronic tools" and "electronic components". With the increase of youth electronic enthusiasts in recent years, this phenomenon is very common, is a beginner beginners do not k

3、now the market, the real price don't understand electronic tools. Two is someone to take advantage of improper interests, recommended a large number of tools for electronic beginners, wasting a lot of money. Feeling more than only in the statements of a school offer my tools, reference for beginners

4、. 1, multimeter A multimeter is an indispensable tool for electronic manufacturing and maintenance. If the economy allows, suggested one step, so as to avoid the day after due to insufficient, range caused by insufficient accuracy of repeat purchase. For beginners, pointer table Shanghai produ

5、ced MF47 and MF500 was more suitable for the price of 35 to 100 yuan; the general digital multimeter can meet the requirements, do not blindly pursue high price, high performance, according to different individuals can choose in the DT830 series, the price should be less than 100 yuan. Shenzhen y

6、uan multi-function digital multimeter, the price is about 130 yuan. DT830B ordinary digital multimeter, the price is about 15 yuan. The invention of Foshan double pointer Electronic Technology Co. Ltd. Nanjing Tianyu MF47 multimeter multimeter, the price of 40 yuan. 2. Electric iron Iron is

7、 an essential tool, at present domestic general electric soldering iron mainly has an internal heating type and external heat type two. For beginners, optional 20W ~ 35W authentic thermal iron, the price is about 5 yuan; if interested in mechanical assembly production in a show of skill, you should

8、also be equipped with a more than 100W outside the hot electric iron, the price is about 20 yuan. As for the multi-function electric iron, longevity, constant temperature electric iron, etc., mostly for more professional and special circumstances to use, beginners can not buy temporarily. Ordinar

9、y internal type 35W electric iron, the price is about 5 yuan. A new type of double power multi-function electric iron, the price is about 40 yuan. 3 、 iron rack The iron is placed on the iron rack to be safe. It is recommended for beginners to buy. The price is usually around 3 yuan. It is rec

10、ommended to buy Wooden sponge and rosin, as shown in the following picture. 4 soldering tin and universal board It is recommended to use 0.8MM cenas solder, solder inside with rosin, very easy to use, small volume of 7 yuan. The universal board buys fiber better. 5, pliers and diagonal plie

11、rs The price is about 5 yuan. 6, iron and tin suctioner pencil The price is about 5 yuan. 7, word up and plum blossom and vernier caliper 8 、 forceps and tool knife 9, electric drill 10, brush and three battery box 11, other tools Tools for electronic production and mainte

12、nance should also be available: (1) repair table opener (6 components; 1.4mm to 3mm; magnetize) and screw driver; (2) can be fixed on the table a small bench; (3) hand twisting and small drills commonly used for drilling on printed boards; (4) assorted file; 12 consumables Electron

13、ic production and maintenance of consumables mainly have the following, they have an important impact on the quality of work, pay attention to the quality of the purchase. (1) deposited copper plate; (2) adhesive; (3) wires, single strands of fine wires and multiple fine wires should be sto

14、red; (4) batteries; (5) solder wire; (6) adhesive tape; (7) FeCL3. 13, electronic components What should be purchased for electronic components, according to the following principles: (1) multi use, common and vulnerable components are more prepared. Such as resistors, capaci

15、tors, diodes, transistors, potentiometers, pipes and so on. Purchase optional 50 or 100 branches of a mixed bag, which is economical and affordable, and can exercise the ability to use the multimeter to test components. (2) should be purchased according to personal hobbies, such as power lovers a

16、nd SCM enthusiasts, commonly used components are different, so please purchase according to demand. What you need, what to buy, never follow the tide. Electronic components are updated year by year and relative prices decrease. The element to make the best use of it, such as a common delay, domestic

17、 NE555 chip can not buy imported 555P type, which is not only the personal economic affordability, but the pursuit of electronic production of high performance price ratio and the principle of application of attitude. It is recommended to buy the following components for storage: Low value resist

18、or package 1/4W rings low resistance (full range 1-910) carbon film resistor package: 63 rows of resistors, each of 10, a total of 630, 10 yuan per package 1, 1.2, 1.5, 1.8, 2, 2.2, 2.4, 2.7, 3, 3.3, 3.6, 3.9, 4.3, 4.7, 5.1, 5.6, 6.2, 6.8, 7.5, 8.2, 9.1, 10, 12, 15, 18, 20, 22, 24, 27, 30, 33,

19、 36. 39, 43, 47, 51, 56, 62, 68, 75, 82, 91100120150180200220240270300330360390430470510560620680750820910 Median resistance package 1/4W rings in the resistance (full range 1K-910K) carbon film resistor package: 63 rows of resistance, each of 10, a total of 630, 10 yuan per package 1K, 1K2

20、, 1K5, 1K8, 2K, 2K2, 2K4, 2K7, 3K, 3K3, 3K6, 3K9, 4K3, 4K7, 9K1, 5K1, 5K6, 8K2, 6K2, 6K8, 7K5, and i, 10K, 12K, 15K, 18K, 20K, 22K, 24K, 27K, 30K, 33K, 36K, 39K, 43K, 47K, 51K, 56K, 62K, 68K, 75K, 82K, 91K, 100K, 120K, 150K, 180K, 200K, 220K, 240K, 270K, 300K, 330K, 360K. 390K, 430K, 470K, 510K,

21、560K, 20K, 680K, 750K, 820K, 910K High value resistor package 1/4W five ring high resistance (full range 1M-22M) carbon film resistor package: 27 rows of resistors, each of 10, a total of 270, 5 yuan per package 1M, 1M2, 1M5, 1M8, 2M, 2M2, 2M4, 2M7, 3M, 3M3, 3M6, 3M9, 4M3, 4M7, 9M1, 5M1, 5M

22、6, 8M2, 6M2, 6M8, 7M5, and i, 10M, 12M, 15M, 18M, 20M, 22M Ceramic capacitor package 200 (including 20P, 33P, and other 102103104), 5 yuan per pack, single chip lovers can with some 30P ceramic capacitors. Electrolytic capacitor pack 1U/50V, 4U7/50V, 10U/50V, 22U/50V, 47U/16V, 100U/16

23、V, 220U/16V, 330U/16V, 470U/16V,, 1000UF/16V in 10 kinds, 5 yuan per package, $5 per package. SCM enthusiasts can be more equipped with some 10U electrolytic capacitor. Diode package 1N4148, 1N4007, 5MM red, 5MM green light-emitting tube each 10, 5 yuan per package, SCM enthusiasts can match m

24、ore 3MM red light-emitting diode. Triode package 901190129013901490159018 a total of 6 kinds, each 10, 5 yuan per package, SCM enthusiasts can match more 90129013. Integrated block LM317, CD4060, CD4511, CD4017, 74LS02, 74LS160, 74HC194, 74LS32, 74LS42, 74LS08, 74LS161, 74LS48, 74LS74, 7

25、4LS86, 74LS90, 74LS04, 74LS138, 74LS373, 74HC240, 74HC377, 74HC573, ADC0832, DIP8, DS18B20 temperature sensor, single chip (AT89S52, SCT89C52, SCT12C5024AD etc.). Other commonly used materials DB9 male and female sockets, horn sitting, fish clip, a total of 0.56 inches of yin and Yang digital

26、tube, buzzer active 5V devices, 5 mm 8*8 dot matrix, USB interface, ISP download cable, single needle needle iron (11MM) 1*40PIN2.54mm, 160212864. 14, electronic production commonly used Kit (1) LM317 power (power supply board) parts, the price is 15 yuan. (2) power supply series (power sup

27、ply board) parts, the price is 12 yuan. (3) CD4511 eight responder, the price is about 15 yuan. (4) CD4017 six way back to the flashing lights of parts, the price is 10 yuan. 15, information and information With the rapid development of modern electronic technology, it is important to ob

28、tain information and information. Beginners should broaden their knowledge and amount of information. It is recommended for beginners to subscribe one or two journals, such as the "electronic newspaper", "radio", "digital production", the content of difficult combination, many of the more practical

29、skills, very helpful for electronic entry, collected is also a very good information technology. Of course, if the Internet is convenient, please come to the station. Http:// is also a very good choice. It is absolutely free of charge. The above mentioned electronic tools and components, please search below, the price is very favorable: