Ditch That USB Programming Cable Part 2
Part 2 OTA Proframming This is the second of a 2 part series on how to program WiFi enabled devices without the use of a USB cable. There are a…
Ditch That USB Programming Cable Part 1
Part 1 WiFi This is the first of a 2 part series on how to program WiFi enabled devices without the use of a USB cable. If you are like…
Designing a 3D Printed Case for the ESP32C3 Raspberry Pi 6 Channel ADC
You have just finished an extraordinary project with your ESP32, your PCBs have arrived, you assembled them and ... They work! Now what? You need a case. But how to…
Getting Started With the 6 Channel ESP32C3 Raspberry Pi ADC
Overview The ESP32C3 6 channel ADC is a flying hat for the Raspberry Pi family of boards. Flying means it can be disconnected from The Raspberry Pi and placed anywhere…
Arduino ESP32C3 6 Channel ADC With Calibration
The ESP32C3 does not play well with standard Ardiono anlogRead() and requires special code to provide useful reading. The ESP32C3 has 2 ADCs, ADC1 and ADC2. ADC2 is shared with…
Node-Red Objects, Flow Variables and Json
I like to use flow variables because all nodes have access to them. You can take the flow variable to the next step by creating a flow object. First, you…
Can a Raspberry Pi Zero W Find True Love? Part2
Last time, we left the ESP32 ADC Hat by the phone, waiting for a call from Raspberry Pi Zero W. Our RPI Zero W knows that finding the perfect mate…
Can a Raspberry Pi Zero W Find True Love? Part 1
Don’t worry, this story has a happy ending. First we have to find a compatible mate for the RPI Zero W. Well, what better mate than our ESP32 6 channel…
Crazy Raspberry Pi flying Hat
What the, is a flying hat? Well is a hat that can be detached from the Pi and still works. Of course, it needs power. In the picture, the 6…
Raspberry Pi ADC ESP32 Hat Incredibly Measures ±12v With Great Accuracy
Using an ESP32C3 to implement an ADC Hat for the Raspberry PI poses some challenges if we want to obtain great accuracy in the range of 1%. First, we add…