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𓀐 @p~KvvCyw: Here we discuss microcontrollers (MCUs), single board computers (SBCs), and their accessories, such as Atmel mega and tiny AVRs (Arduinos), PICs, ARM boards such as blue/black pill STM32, ESP8266/32s, RP2040, Raspberry Pi, and others. For general electronics questions (power supplies, level shifting, motor driving, etc.) please ask /ohm/. >where can I find verified quality microcontrollers and other electronic sensors or parts digikey.com mouser.com arrow.com newark.com >but that's too expensive aliexpress.com (many parts here are fake, particularly specific parts out of stock in the above sites) lcsc.com >I need a part that does X and Y, with Z specifications. How can I find it? use DigiKey's or Octopart's parametric part search. Then purchase from one of the sellers listed above. >how do I get started with microcontrollers, where should I start? There is no defined starting point, grab a book and start reading or buy an arduino off ebay/amazon and start messing around. There are a plethora of examples online to get started. >resources: https://github.com/kitspace/awesome-electronics >RISC-V microcontroller list: https://codeberg.org/20-100/Awesome_RISC-V/raw/branch/master/RISC-V_MCU_development_boards.pdf

Can someone help me parse what this datasheet means by: >To open the relay, the ON pin must be driven to a logic high state. To close the relay, the ON pin must be driven to a logic low state. Does that mean if you driven ON to high the relay will be "open" in that electricity will flow, or does it mean it wlil be "open" in that the switch is open, electricity will not flow? I think (and am hoping) it's the first one.

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