Or, you might say, “How clever! This way the connectors are keyed to prevent ... If you are too lazy to snap 8 pins off a 40 pin strip, ... 61 thoughts on “ Make Your Own Arduino Header Pins ” ...

Does anyone have a good Arduino tutorial that explains how to encapsulate I2C data ... The 4-pin pinout is valuable specifically on a SH-type connector, though, having it on a pin header doesn’t ...

Arduino has shrunk the UNO R4 with the Arduino Nano R4 board equipped with the same 48 MHz Renesas RA4M1 32-bit Arm ...

DC Current per I/O pin – 8 mA; Arduino UNO R4 WiFi only Qwiic I2C connector for expansion modules. 3-pin header with an “OFF” pin to turn off the board and a “VRTC” pin to keep the internal Real-Time ...

Note: Some pins are not connected on a standard Arduino Uno R3 but still listed so you can use them if you had a custom board. It might also be possible that your ISP header of the 16u2 is flipped 180 ...