Photocoupler Make a simple and practical lithium battery charger, change the resistance of 4 ohms in the figure to change the charging current, D1 is the power indication, D2 is the charging indication and current limit. During debugging, the 6.8K resistor is replaced wit
‘Halo 5: Guardians’ was developed by 343 Industries.This latest ‘Assassins Creed’ release was developed by Ubisoft.Hats off to Kylotonn Games for the remarkable graphics ‘WRC 5’.The Auto-Bots return with this fantastically retro reincarnation of an old classic.
[PConline News] Today 4K resolution flat-panel TVs have become the mainstream of the market, which has also promoted the popularity of 4K ultra-high-definition programs. In addition to some 4K resources built into smart TVs, it is also a lot to get more 4K videos through an
According to market research firm IDC's first global VR/AR (Augmented Reality) helmet shipment report, global VR/AR helmet shipments continued to soar in the first quarter of 2017, reaching 2.3 million units. - This is a good number, but it is still not as expected at the
Electronic enthusiasts eight o'clock: According to foreign media reports, e-commerce giant Amazon submitted a patent application to the US Patent and Trademark Office, ready to build a "multi-level order fulfillment center." It looks like a huge tower supported b
An app called ImmerseMe can help students immerse themselves in a real language environment and learn a foreign language. Scott Cardwell, the developer of App ImmerseMe, realized the benefits of cultural immersion during his trip to Europe - helping him to practice his lan
The method and principle of the bank's original ATM monitoring are analyzed. The basic description of the ATM monitoring method and configuration, and the analysis of the monitoring network measures and functionality adopted by the bank to improve the ATM security manageme
OFweek smart home network news recently held 2017 China Refrigeration Industry Summit Forum news, the first four months of this year, the refrigerator market continued negative growth, companies face multiple tests, the survival of the fittest or will accelerate. The forum
At present, there are two kinds of commercially available infrared integrated receiving heads: level type and pulse type, most of which are pulse type, and there are few level types. Level type, receiving continuous 38K signal, can output continuous low level, the time can be infinitely long. Its
In China, the agricultural Internet of Things has gradually developed into a new model of agricultural planting. Agricultural farming in all regions is centered on the agricultural Internet of Things. What are the technical characteristics of modern intelligent agriculture bas