The technical data …
| Manufacturer | LoLin / AIThinker |
| Description | ESP8266MOD NodeMCU V.3 |
| Dimensions | 59 mm x 31 mm x 13 mm (HxBxT) |
| Weight | 9 grams |
| Color | Black |
| Connection | 1x Micro USB pinheader 2 x 15 pin 2,54 mm drill holes 25 mm x 52 mm (d=3 mm) |
| Wireless | WLAN 2,4 GHz 802.11b/g/n P2P, SoftAP +19.5dBm output power |
| Various | integrated button for reset and flash 32 Bit CPU 80-160 MHz 64 kB RAM, 4 MByte Flash, 96 KByte additional RAM 3,3 Volt operating voltage and Logic (signal converter for 5 V necessary) 16 GPIO pins SPI-, I2C-, I2S-Bus UART Duplex and Simplex 10-Bit analog-/digital converter |
WLAN ESP8266 Layout, design and features …