First, here is the picture. This is a photodiode amplifier circuit, which consists of two stages of amplifier circuits. The front stage amplifier circuit is an I/V conversion, which is relatively easy...
Hello Expert,I used USB-UART and ETHERNET on my PCB, but found that their reference design circuits were somewhat different, especially the chassis ground part.
Figure 1 is the GND design of USB-UART ...
Q: What is the LoRaWAN data rate?
A: For LoRa, the LoRaWAN data rate ranges from 0.3kbps to 11kbps, and the GFSK data rate in Europe is 50kbps. In North America, the minimum data rate is 0.9kbps due t...
The nrf24l01 wireless module is a new type of single-chip RF transceiver module. Its core chip nrf24l01 is a wireless transceiver chip launched by Nordic. The wireless module developed by this chip ha...
When the battery is out of power or the starter motor fails, emergency starting is required. Pushing the car to start is the most familiar and effective emergency starting method, but it is a last res...