NodeMCU ESP-12K specs, pinout & datasheets
Imported entry: generated from open-source board definitions (circuitpython), not reviewed by a person. Each fact links to the definition it came from.
Can I still use it?
- CircuitPython
- Supported[1]
As published by each project, checked weekly. A platform not listed has no published information here, which is not the same as no support.
Pinout
Pin names in firmware (37 pins)
| Chip pin | Board names |
|---|---|
| GPIO0 | IO0 |
| GPIO1 | IO1 |
| GPIO2 | IO2 |
| GPIO3 | IO3 |
| GPIO4 | IO4 |
| GPIO5 | IO5 |
| GPIO6 | IO6 |
| GPIO7 | IO7 |
| GPIO8 | IO8 |
| GPIO9 | IO9 |
| GPIO10 | IO10 |
| GPIO11 | IO11 |
| GPIO12 | IO12 |
| GPIO13 | IO13 |
| GPIO14 | IO14 |
| GPIO15 | IO15 |
| GPIO16 | IO16 |
| GPIO17 | IO17 |
| GPIO18 | IO18, NEOPIXEL |
| GPIO19 | IO19 |
| GPIO20 | IO20 |
| GPIO21 | IO21 |
| GPIO26 | IO26 |
| GPIO33 | IO33 |
| GPIO34 | IO34 |
| GPIO35 | IO35 |
| GPIO36 | IO36 |
| GPIO37 | IO37 |
| GPIO38 | IO38 |
| GPIO39 | IO39 |
| GPIO40 | IO40 |
| GPIO41 | IO41 |
| GPIO42 | IO42 |
| GPIO43 | TX, IO43 |
| GPIO44 | RX, IO44 |
| GPIO45 | IO45 |
| GPIO46 | IO46 |
Sources
Spotted a mistake?
Every report is read by a person and checked against a source before anything changes. Please link one if you have it.