Posts

This week’s MQTT Tutorial connects a Raspberry Pi, ESP8266 (or Arduino), and a PC together. Remember last week’s post provided an overview of message brokers and MQTT. We learned …

Hardware Developers Didactic Galactic is a group for hardware designers, hackers, and enthusiasts to discuss hardware-related topics. HDDG11 (or 0xb) featured a presentation from …

MQTT is an easy way for Internet of Things (IoT) devices to communicate with each other. This light-weight protocol can be used with a simple 8-bit Arduino to a Raspberry Pi to a …

Super excited that I’ll be speaking at this month’s Hardware Developers Didactic Galactic (HDDG) #11. The meetup is on Thursday, February 18, 2016. It should come as no surprise …

My favorite Raspberry Pi add-on is the PiTFT from Adafruit. With it, you easily get a Raspberry Pi GUI interface and touch screen. The PiTFT software install is just a few things …

Quick timelapse video of Bright Bricks building a life-size BB-8 unit. Surprising to me was that I always imagined these builds solid with LEGO pieces. Turns out, they are built an …

IoT (n): Internet of Things Things that connect with the internet, to share information. Devices that communicate with each other. No wait. Nothing does. It’s the Internet Of …

One of the common questions related to using the millis() function in Arduino, is around timed events. After an event occurs, you want the code to wait for some time before doing …

As 2015 wraps up, I took a look at baldengineer.com’s traffic for the past year. Here’s some of the most popular stuff from my blog, in case you missed it. Everyone with a blog …

What makes the Raspberry Pi so attractive? At $35 it is an unbelievable value for a single board computer. Since its introduction, a price race to the bottom has begun. The …