The operating voltage of LIS25BA is 1.8V. With so many development boards available, it is really difficult to find a 1.8V debugging board.
Because we need to use TMD communication, the common microco...
Today I saw a chip CD4504, which is a TTL to COMS level chip. TI's chip is marked as CM504B, and the chip CD4051B I bought is marked as CM051B. It seems that CD4 has been replaced by CM. Haha, I almos...
The imbalance between supply and demand in the global MCU market has become increasingly serious recently. After foreign MCU manufacturers successively announced price increase notices, domestic MCU m...
The voltage following circuit of the op amp, as shown in Figure 1, uses virtual short and virtual open circuits. It looks simple and clear at first glance, and there is not much to pay attention to. T...