Massive resource download address (online product data - Product Design - E-learning Video - electronic contest open source):
(extraction code: PHKqoD)
Stores sell all product data download address：
1000 design and development materials donated download address：
Please note that the price is the price of the circuit board empty board, without components. We provide schematics and related documents, and the PCB diagram only provides PDF format. The original format is not available.
Shipment is as follows:
Size: length40mmXThe width of 22mmXHigh 12mm
Two. Main chip: LM7805(can be replaced by other 78 series chips, such as: 7809, 7812, etc.)
Three. Working voltage: input(exchange) orDirect6~18V - output DC 5V
Four. Output current:0.5A
1, withoutputPower supply indication
2, good linear filtering.
3. Wide range of input voltage.
4, high output efficiency
5、The input terminal can be connected to the transformer directly。
6、The input ends are positive and negative poles。
7、The rectifier bridge is stable and reliable.
8, working temperature -10 degrees to +125 degrees
9. Working humidity 40%~80%RH
[AC power supply wiring diagram]
Wiring diagram of DC power supply
Bill of shipment
1, circuit board PCB1 block (without component is empty board)
This babyPrice does not include invoice, need invoice, please contact customer service,Thank you!
Buyers must read:
1, all our baby support：【Alipay, bank transfer, cash】transaction；
2, there are【Minimum starting quantity】Baby, please photographed according to the requirements, in order to facilitate timely delivery for you;
3, more than one baby, please use the shopping cart, you can buy a lot of baby in one time, so that shopping is more convenient and quick;
4, ordinaryExpress first choice【The arrival time is 2~4 days，expressExpress first choice【The arrival time is 1~2 days,You can also send in, rhyme, EMS, without special instructions, we will randomly choose;
5、Product outAny problems, please contact us in time, will give you a satisfactory answer and resolution, do not free to comment and bad review Oh.
Credibility can be said to be the life of the network, online shopping is because of delivery, packing, communication is not in place to produce misunderstanding or misunderstanding, but please buyers believe our hard work, do not give a comment or a bad rating for every line of evaluation is so important, that does not solve the the problem, after receipt of the goods have any questions you can contact us first!
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After sales service and technical support:
The electronic products we sell are designed and developed by our technical personnel, so please give your customers valuable advice after purchasing! In terms of technical support, we will provide the maximum technical support to our customers within the scope of our capabilities! In addition, product information will also be updated, routines will continue to increase!
Note: large amount of discount! Wholesale welcome!