Recently someone reached out to me with the following problem: I am trying to add udp support to my project, and I’m getting ESP_ERR_NO_MEM for the first time (from esp wifi init). I am using m...

In this post we will cover how to sign your Git commits using the keys we generated previously. Why Sign Your Commits? It’s a little extra work and adds a small amount of size to each commit. So ...

Welcome back to the OpenPGP Series. Here’s what we’ve done so far: Part 1: Introduction Part 2: Create Your Primary Key Part 3: Create Your Subkeys Part 4: Backup Your Keys At this poin...

In this post we’re going to backup the keys we created in the previous posts. After generating your Primary Key and subkeys, they reside on the machine used to create them. In our case that’s just ...

In this post we’re going to create our subkeys which will be our daily workhorses for accomplishing security-related tasks such as signing, encrypting, and authenticating to other services. If you ...

In this post we’re going to create a Primary Key which will be the root of all our keys. It will be the source of trust and how we generate all other keys needed. I am not, and do not claim to ...

This series is the direct result of a very simple question. “How do I do secure backups on Linux?”. There are dozens, if not hundreds, of options to do backups but the part that kicked off this jou...

First and foremost, Happy New Year! As a new year begins we’re often full of energy for a fresh start to achieve new goals. I started the Production ESP32 community on October 10th of 2023 and have...

Espressif has released Hardware Design Guidelines for all of the ESP32 chips and it’s available now in HTML format. This is a treasure trove of information if you are in the hardware design phase o...

If you use the AWS IoT Core MQTT Broker you need to be aware of this very simple trick which could lead to significant savings on your monthly bill. In AWS IoT Core the way you receive and process...