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

Arduino Pro Mini Atmega 328p, For Industrial, 15,14 at Rs 195/piece in Thane

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

Using the Arduino Pro Mini 3.3V - SparkFun Learn

Using Pro Micro without soldering pin - Arduino Stack Exchange

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

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

Headers or No Headers? - News - SparkFun Electronics

waveshare RP2040-Zero Mini Board with Pre-Soldered Header,Pico-Like MCU Board Based on Raspberry Pi MCU RP2040 Dual-Core Arm Cortex M0+ Processor Support C/C++, MicroPython : Electronics

Arduino Micro with Headers - 5V 16MHz - (ATmega32u4 - assembled) : ID 1086 : $24.95 : Adafruit Industries, Unique & fun DIY electronics and kits