Arduino Pro Micro Compatible - Pre-soldered Headers

Super tiny, thin, Arduino compatible board with an ATmega32U4 on board, running at 16MHz and 5V, with 4 channels of 10-bit ADC, 5 PWM pins, 12 DIOs

Arduino Pro Micro Compatible - Pre-soldered Headers

Raspberry Pi Zero WH (built-in WiFi pre-soldered headers)Kit with USB HUB or 2.13 e-Paper and Basic Components - AliExpress

running at 5V/16MHz Supported under IDE v1.0.1 On-Board micro-USB connector for programming 4 x 10-bit ADC pins 12 x Digital I/Os

OSOYOO Pro Micro 5V/16MHz Module Board with 2 Row pin Header Replace wit Pro Mini for Arduino

Arduino Nano V3 ATMEGA328 Compatible Board With Soldered Header & Cable Arduino Projects (Soldered) at Rs 260/piece, Arduino Electronic Development Board in Jabalpur

Cytron Arduino Pro Micro Compatible w/ Pre-soldered Headers - RobotShop

Arduino Pro Micro Compatible - Pre-soldered Headers

Using the Arduino Pro Mini 3.3V - SparkFun Learn

waveshare RP2040 MCU Board with Pre-Soldered Header, Onboard 0.96inch 160x80 IPS LCD Display, Pico-Like MCU Board Based on Raspberry Pi RP2040, Dual-Core Arm Cortex M0+ Processor : Electronics

Super tiny, thin, Arduino compatible board with an ATmega32U4 on board, running at 16MHz and 5V, with 4 channels of 10-bit ADC, 5 PWM pins, 12 DIOs

Arduino Pro Micro Compatible - Pre-soldered Headers

Squee! It's the cutest, tiniest little Arduino yet! The Arduino Micro packs all of the power of the Arduino Leonardo in a 1.9 x 0.7 (48mm x 18mm)

Arduino Micro with Headers - 5V 16MHz - (ATmega32u4 - assembled)