![Raspberry Pi Pico with Pre-Soldered Header Microcontroller Mini Development Board Based on Raspberry Pi RP2040 Chip,Dual-Core ARM Cortex M0+ Processor, Flexible Clock Running up to 133 MHz Raspberry Pi Pico with Pre-Soldered Header Microcontroller Mini Development Board Based on Raspberry Pi RP2040 Chip,Dual-Core ARM Cortex M0+ Processor, Flexible Clock Running up to 133 MHz](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/81mWTdN-FdL.jpg)
Raspberry Pi Pico with Pre-Soldered Header Microcontroller Mini Development Board Based on Raspberry Pi RP2040 Chip,Dual-Core ARM Cortex M0+ Processor, Flexible Clock Running up to 133 MHz
![Original Chip Stm32l471ret6 Lqfp-64 Arm Cortex-m4 32-bit Microcontrollers Stm Ret6 Package Lqfp64 32l471ret6 - Integrated Circuits - AliExpress Original Chip Stm32l471ret6 Lqfp-64 Arm Cortex-m4 32-bit Microcontrollers Stm Ret6 Package Lqfp64 32l471ret6 - Integrated Circuits - AliExpress](https://ae01.alicdn.com/kf/H684ef59c575440d7a7c7ffdd72c8e7afi/Original-chip-STM32L471RET6-LQFP-64-ARM-Cortex-M4-32-bit-microcontrollers-STM-RET6-package-lqfp64-32L471RET6.jpg_Q90.jpg_.webp)
Original Chip Stm32l471ret6 Lqfp-64 Arm Cortex-m4 32-bit Microcontrollers Stm Ret6 Package Lqfp64 32l471ret6 - Integrated Circuits - AliExpress
![Is it important to have solder mask between pads? I don't see any issues here. I plan on Soldering sot363 by hand without soldermask in between pads. : r/AskElectronics Is it important to have solder mask between pads? I don't see any issues here. I plan on Soldering sot363 by hand without soldermask in between pads. : r/AskElectronics](https://preview.redd.it/jdkf09entzn51.jpg?width=640&crop=smart&auto=webp&s=02145c89f3dbc5e23dfe6de1d589fe304be9396e)
Is it important to have solder mask between pads? I don't see any issues here. I plan on Soldering sot363 by hand without soldermask in between pads. : r/AskElectronics
![Looks like trash and took all day, but no cold joints and it now saves with fram. I am satisfied! PS I got solder on the cart pins and wicked it off Looks like trash and took all day, but no cold joints and it now saves with fram. I am satisfied! PS I got solder on the cart pins and wicked it off](https://preview.redd.it/5b83i83yraa91.jpg?auto=webp&s=4486a15cebd9efb5bd0a428044c7839abe2808dd)
Looks like trash and took all day, but no cold joints and it now saves with fram. I am satisfied! PS I got solder on the cart pins and wicked it off
![How difficult would soldering this be? I need somthing with the gpio pins but also need the smallest profile possible. : r/RASPBERRY_PI_PROJECTS How difficult would soldering this be? I need somthing with the gpio pins but also need the smallest profile possible. : r/RASPBERRY_PI_PROJECTS](https://preview.redd.it/md7oqztupi181.jpg?width=640&crop=smart&auto=webp&s=1bf32ecc6c0943b481acbb2d26d316dd7ca32c97)
How difficult would soldering this be? I need somthing with the gpio pins but also need the smallest profile possible. : r/RASPBERRY_PI_PROJECTS
![I designed and soldered my first PCB with a microcontroller on it (stm32f103rct6). I accidentally used 0201 cases for a couple of my capacitors and those were not fun to hand solder. : I designed and soldered my first PCB with a microcontroller on it (stm32f103rct6). I accidentally used 0201 cases for a couple of my capacitors and those were not fun to hand solder. :](https://i.redd.it/yypo09jjtqd51.jpg)