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