The summer wind is softly blown, it is time to go out together, if you want to be different, you can take a look at these smart hardware devices.
1, BSXinsight lactate sensor
Recommended reason: outdoor sports necessary, make sports more scientific
Summer has arrived, and you love sports, you will meet three or five friends or ride, or hike, or run at night... However, the body that is quiet for a winter is very prone to problems at this time, especially the continuous vigorous exercise, which will cause the accumulation of lactic acid, causing headaches and muscle soreness. So what kind of exercise is the maximum acceptable for your body? BSXinsight can tell you the answer by detecting the amount of lactic acid. With ARM® processor-based BSXinsight, in addition to monitoring lactic acid levels, it also monitors calorie burn and step count.
2, Noke U-Lock Bluetooth Bike Lock
Recommended reason: bicycle lock without key, safe travel has a helping hand
In the early summer, the weather is good, why don’t you ride on the weekend to go on a trip to the countryside? Worried about the safety of your car in the suburbs, you need to pay attention to it at all times. Noke U-Lock Bluetooth Bike Lock helps you get it! Based on the ARM® Cortex®-M0 core-based Noke U-Lock, when you approach the lock, you can unlock it by gently pressing the button on the side. In addition, your lock can also find your phone and connect to the app to make sure you have the right to unlock it. You can also share this lock so your friends can access your lock so you can share your bike or just share your lock. But you still have the dominance to control this lock.
3, kindle voyage e-reader
Recommended reason: companionship with poetry and book
Are you bored on the way out of the parade? Would you like to read a book when you are basking in the warm weekend? Be sure to choose the latest Kindle Voyage e-reader based on the ARM® Cortex®-A9 core: not only with one hand, but with nothing, the 300 ppi ultra-clear display is more laser-engraved, perfect for a paper-reading experience. The innovative [pressure-sensitive page-turning button] allows you to flip pages without lifting your fingers. More importantly, it has a long battery life and supports reading for a few weeks on a single charge!
4, HAPIfork smart fork
Recommended reason: not to lose weight in early summer, the summer is sad
Early summer is the best opportunity to lose weight in a year, take the opportunity to get rid of fat, and you can enjoy your body in the hot summer. Based on the ARM® Cortex®-M0 processor, HAPIfork is a smart fork with Bluetooth, sensors and vibration motors that detects the speed and frequency of the user lifting the fork and then sends it to the client or computer and settings. The pattern is compared. If you eat too much, it will gently vibrate to alert the user to the attention. In addition, a diet plan can be prepared in advance and then monitored by HAPIfork. Good diet plan with regular exercise, no weight in normal summer weight loss.
The main function of the PWM Solar Controller is to manage the charging and discharging process between solar panels and batteries in solar power generation systems. It is a traditional charge controller that controls the charging voltage and current through pulse width modulation technology to maintain the charging state of the battery and protect the battery.
Main effect:
Charging control: PWM Solar Controller controls the charging voltage and current through pulse width modulation technology to ensure that the battery is charged at an appropriate voltage and current to prolong the service life of the battery.
Overcharge protection: The PWM Solar Controller can monitor the charging status of the battery, and when the battery is fully charged, it will automatically stop charging to avoid battery damage caused by overcharging.
Over-discharge protection: PWM Solar Controller can monitor the discharge state of the battery. When the battery power is lower than a certain level, it will automatically stop discharging to avoid battery damage caused by over-discharge.
Differences from other charge controllers:
Modulation technology: PWM Solar Controller uses pulse width modulation technology to control the charging and discharging voltage and current to maintain the charging state of the battery. In contrast, MPPT Solar Controller uses maximum power point tracking technology to adjust the output voltage and current of solar panels in real-time to achieve maximum power output.
Energy conversion efficiency: Compared with the MPPT Solar Controller, the energy conversion efficiency of the PWM Solar Controller is lower. Because the pulse width modulation technology cannot adjust the operating point of the Solar Panel in real-time, the output power of the solar panel may not be maximized.
Application Scenario: PWM Solar Controller is a traditional charge controller suitable for small-scale, low-power solar power generation systems. The MPPT Solar Controller is suitable for larger-scale, high-power solar power generation systems to improve energy utilization efficiency.
Overall, the main role of the PWM Solar Controller is to manage the charging and discharging process in the solar power generation system and protect the battery from damage. Compared with MPPT Solar Controller, it uses traditional pulse width modulation technology, and the energy conversion efficiency is lower. Suitable for small-scale, low-power solar power generation systems. The MPPT Solar Controller uses maximum power point tracking technology, which can improve the energy utilization efficiency of solar panels, and is suitable for larger-scale, high-power solar power generation systems.
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