It should be bridged for 5V Pro Micro. Without the solder bridge cheap Pro Micro spit out only 4.6V instead of 5V at both VCC and RAW pin in my test. This is due to forward voltage drop of protection ...

The Pro Micro is a microcontroller with an ATMega32U4 IC on board. The USB transceiver is inside the 32U4, adding USB connectivity on-board without external USB interfaces. The Pro Micro comes in both ...

SparkFun’s Arduino IoT Weather Station is a complete weather station kit leveraging the company’s MicroMod ecosystem with an ESP32 Processor Board and various sensors and developed in collaboration ...

USB-C versus USB Micro connectors are turning into one of the holy wars of our time. Rather than be left on the wrong side of the divide [Stefan S] has come up with his own USB-C version of of an ...

The SparkFun Pro Micro – RP2350 is a compact and powerful development board built around the RP2350 chip from Raspberry Pi and equipped with 16MB flash and 8MB PSRAM. It follows the updated Pro Micro ...

Teensy 4.0 and 4.1 Cortex-M7 development boards are to be manufactured by SparkFun Electronics. The boards are attractive because they offer a combining a powerful (600MHz dual-issue superscaler) ...