This QuickBits video will show you two ways to setup your Raspberry Pi Zero W from scratch without a keyboard or screen using WiFi or USB connectivity. This is often called a headless setup.
Setting up the Mosquitto MQTT Broker is pretty easy. In this video I'll show you how to setup a Broker in under 5 minutes.
I've been asked this question a couple times. How do you program an Atmel SAM MCU without a boot loader or the Arduino IDE?
In this video I'll show you how to do this using Linux and an Atmel In-Circuit Debugger.
If you're a fan of GoLang then your options are limited in the embedded world. So, here's a couple of options for you with a working bare metal example for an STM32 MCU written entirely in Go.
How to save around US$623 by scavenging from junk. If you live in a country that has regular roadside junk collection, they can be a goldmine of electronics spare parts.