3. To‘lqin ob’ektga tegib qaytgach, Echo pin HIGH bo‘ladi
4. Echo pin HIGH bo‘lib turgan vaqt — to‘lqinning borib kelish vaqti
5. Ushbu vaqt asosida masofa hisoblanadi: \text{Masofa} = \frac{\text{Vaqt} \times \text{To‘lqin tezligi (340 m/s)}}{2}
HC-SR04 Texnik xususiyatlari:
Xususiyat Qiymat: Ishlash kuchlanishi 5V DC Ishlash toki ~15 mA Ishlash chastotasi 40 kHz O‘lchash diapazoni 2 sm – 400 sm (4 m) O‘lchash aniqligi ±3 mm Sensor o‘lchami ~45mm x 20mm x 15mm
Diqqat: Sensor tekis va qattiq yuzalardan yaxshi aks-sado qaytaradi. So‘ruvchan (masalan, mato) yoki notekis (masalan, g‘ovak) yuzalarda natija aniq bo‘lmasligi mumkin.
3. To‘lqin ob’ektga tegib qaytgach, Echo pin HIGH bo‘ladi
4. Echo pin HIGH bo‘lib turgan vaqt — to‘lqinning borib kelish vaqti
5. Ushbu vaqt asosida masofa hisoblanadi: \text{Masofa} = \frac{\text{Vaqt} \times \text{To‘lqin tezligi (340 m/s)}}{2}
HC-SR04 Texnik xususiyatlari:
Xususiyat Qiymat: Ishlash kuchlanishi 5V DC Ishlash toki ~15 mA Ishlash chastotasi 40 kHz O‘lchash diapazoni 2 sm – 400 sm (4 m) O‘lchash aniqligi ±3 mm Sensor o‘lchami ~45mm x 20mm x 15mm
Diqqat: Sensor tekis va qattiq yuzalardan yaxshi aks-sado qaytaradi. So‘ruvchan (masalan, mato) yoki notekis (masalan, g‘ovak) yuzalarda natija aniq bo‘lmasligi mumkin.
Spiking bond yields driving sharp losses in tech stocks
A spike in interest rates since the start of the year has accelerated a rotation out of high-growth technology stocks and into value stocks poised to benefit from a reopening of the economy. The Nasdaq has fallen more than 10% over the past month as the Dow has soared to record highs, with a spike in the 10-year US Treasury yield acting as the main catalyst. It recently surged to a cycle high of more than 1.60% after starting the year below 1%. But according to Jim Paulsen, the Leuthold Group's chief investment strategist, rising interest rates do not represent a long-term threat to the stock market. Paulsen expects the 10-year yield to cross 2% by the end of the year.
A spike in interest rates and its impact on the stock market depends on the economic backdrop, according to Paulsen. Rising interest rates amid a strengthening economy "may prove no challenge at all for stocks," Paulsen said.
How Does Bitcoin Work?
Bitcoin is built on a distributed digital record called a blockchain. As the name implies, blockchain is a linked body of data, made up of units called blocks that contain information about each and every transaction, including date and time, total value, buyer and seller, and a unique identifying code for each exchange. Entries are strung together in chronological order, creating a digital chain of blocks. “Once a block is added to the blockchain, it becomes accessible to anyone who wishes to view it, acting as a public ledger of cryptocurrency transactions,” says Stacey Harris, consultant for Pelicoin, a network of cryptocurrency ATMs. Blockchain is decentralized, which means it’s not controlled by any one organization. “It’s like a Google Doc that anyone can work on,” says Buchi Okoro, CEO and co-founder of African cryptocurrency exchange Quidax. “Nobody owns it, but anyone who has a link can contribute to it. And as different people update it, your copy also gets updated.”
