The 74HC165 is an 8-bit parallel-load shift register. We can have this as an option for reading many switches kinda like for mechanical keyboard builds. You can chain many 74HC165. I just used the native SPI of the XIAO nRF52840 (Sense) to clock-in the read data. The 74HC165 is not a native SPI device but…
This is just a rough documentation for this project of mine. Schematic: Not found on the schematic and picture but the latest one has 100nF and 10uF on the 5v pin. Board: D16 – SW1 (Use internal pull-up)D17 – SW2 (Use internal pull-up)D21 – SW3 (Use internal pull-up)D22 – SW4 (Use internal pull-up)D23 – SW5…
The event happened on May 9, 2019 at Don Bosco Mandaluyong. Sir Reymart, recommended me to give a talk about IoT. Errol accompanied me, and took some pictures. My audience was supposed to be 5th year Electronics and Communications Engineering students, and Computer Engineering students. But the ECE students did not make it. I think…
