Timeline for How to make a 5-volt relay work with NodeMCU?
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
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| Oct 5, 2017 at 20:32 | comment | added | dandavis | right, the GNDs on the relay module (and MCU) have continuity, so those options behave identically. | |
| Oct 5, 2017 at 16:48 | comment | added | Birla | Just to confirm, the ground from the 5V supply could either be connected to the second ground (the one beside JD-VCC) on the relay or to a ground pin on the MCU. Correct? | |
| Oct 4, 2017 at 20:07 | comment | added | dandavis | a diagram will take me a while, i'm swamped at work, but it's a common ground on that last connection: as long as the OP's black wire connects to either GND on the relay or a gnd on the MCU it's ok. | |
| Oct 4, 2017 at 17:20 | comment | added | Birla | Can you please elaborate the last connection in your answer, possibly share a fritzing diagram also? | |
| Oct 1, 2017 at 2:43 | vote | accept | Ciasto piekarz | ||
| Mar 27, 2017 at 8:24 | history | answered | dandavis | CC BY-SA 3.0 |