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The arrangement of pins and their functions on a device
15
votes
Accepted
Why JTAG connectors are available in 10pins/14pins/20pins when JTAG is of 5pins
I don't know the exact reasoning for JTAG, but when high speed signals are used and according to the best practices, you should put a GND in between every signal of a flat cable. JTAG can be considere …
2
votes
Connect multiple SDA and SCL on ESP32
As commented already: the I2C bus is a bus that accepts multiple devices on the same bus.
I2C frames contains an address at the start of them. That way, slave devices are able to know if the data sent …