Hi, @starkai
Welcome to the forum.
Have you checked how much current you are drawing through each output?
Tech specs
| Board | Name | Arduino® Nano ESP32 with headers |
|---|---|---|
| SKU | ABX00083 | |
| Microcontroller | u-blox® NORA-W106 (ESP32-S3) | |
| USB connector | USB-C® | |
| Pins | Built-in LED Pin | 13 |
| Built-in RGB LED pins | 14-16 | |
| Digital I/O Pins | 14 | |
| Analog input pins | 8 | |
| PWM pins | 5 | |
| External interrupts | All digital pins | |
| Connectivity | Wi-Fi® | u-blox® NORA-W106 (ESP32-S3) |
| Bluetooth® | u-blox® NORA-W106 (ESP32-S3) | |
| Communication | UART | 2x |
| I2C | 1x, A4 (SDA), A5 (SCL) | |
| SPI | D11 (COPI), D12 (CIPO), D13 (SCK). Use any GPIO for Chip Select (CS) | |
| Power | I/O Voltage | 3.3 V |
| Input voltage (nominal) | 6-21 V | |
| Source Current per I/O Pin | 40 mA | |
| Sink Current per I/O Pin | 28 mA | |
| Clock speed | Processor | up to 240 MHz |
| Memory | ROM | 384 kB |
| SRAM | 512 kB | |
| External Flash | 128 Mbit (16 MB) | |
| Dimensions | Width | 18 mm |
| Length | 45 mm |
Check the current output limits of the Nano ESP32.
Tom.. 
