![Oops, noob move. I soldered my board before I noted exactly what version I was using. Is the pinout on every 38 pin board the same? I know it's a Node MCU Oops, noob move. I soldered my board before I noted exactly what version I was using. Is the pinout on every 38 pin board the same? I know it's a Node MCU](https://preview.redd.it/277iip254bs91.jpg?width=640&crop=smart&auto=webp&s=1de1ca85ca7227df93e53b8bd62b96879aeb5315)
Oops, noob move. I soldered my board before I noted exactly what version I was using. Is the pinout on every 38 pin board the same? I know it's a Node MCU
Can I solder with just a hot iron? Do you necessarily need solder to solder? I want to place the header pins on my MPU for Arduino. - Quora
![The circuit was assembled on a solder circuit board using jumper wires... | Download Scientific Diagram The circuit was assembled on a solder circuit board using jumper wires... | Download Scientific Diagram](https://www.researchgate.net/publication/342528818/figure/fig3/AS:907751140126720@1593436145231/The-circuit-was-assembled-on-a-solder-circuit-board-using-jumper-wires-and-header-pins.png)
The circuit was assembled on a solder circuit board using jumper wires... | Download Scientific Diagram
![Pete Prodoehl's 3D-Printable "Solder Board" Aims to Solve Your Pin Header Soldering Woes - Hackster.io Pete Prodoehl's 3D-Printable "Solder Board" Aims to Solve Your Pin Header Soldering Woes - Hackster.io](https://hackster.imgix.net/uploads/attachments/1575317/image_pwdwJtcg2b.png?auto=compress%2Cformat)