07.11.17
HC-SR04 Ultrasonic Module Testing Part 1
By: Grumpy Old Tech | 0 Comments | In: Tutorials and Info
I purchased an Arduino starter kit a while ago and this ultrasonic tester came with it. I've pulled together some basic information about the unit and carried out a few tests to see how it performs....
Read More
|
07.11.17
HC-SR04 Ultrasonic Module Testing Part 2
By: Grumpy Old Tech | 0 Comments | In: Tutorials and Info
This is part 2 of the HC-SR04 Ultrasonic Module testing. In this case I have setup the code to use interrupts to generate the trigger pulse and another interrupt to monitor and calculate the echo pulse time.......
Read More
|
07.11.17
ESP-01 Module
By: Grumpy | 0 Comments | In: Tutorials and Info
I'm planning to use a ESP-01 WiFi module in a project so have produced this data sheet with the basic info needed to get the thing going ...
Read More
|
26.01.18
Valve (Tube) Tutorial
By: Grumpy | 0 Comments | In: Tutorials and Info
I recently uploaded a tutorial on how valves work as an accompaniment to the tutorial series on the Super Heterodyne Radio Receiver.
I have also created a series of information sheets that build on that video and sho...
Read More
|
10.02.18
Easy EDA
By: Grumpy | 0 Comments | In: Tutorials and Info
Just a quick note about Easy EDA - Great online Schematic and Circuit Board design software, and its free...
Read More
|
16.02.18
What is a Semiconductor
By: Grumpy | 0 Comments | In: Tutorials and Info
This is the first in a series of tutorials on semiconductor devices but before we look at the devices, I take a look at what a semiconductor actually is....
Read More
|
24.03.18
|
24.03.18
Setting up Remote Desktop on a Raspberry Pi
By: Grumpy | 0 Comments | In: Tutorials and Info
Just a little more information on the basic setup of a Raspberry Pi. If you run your device without a monitor, keyboard and mouse this is going to make life much easier....
Read More
|
24.04.18
Burning the Arduino bootloader
By: Grumpy | 0 Comments | In: Tutorials and Info
I ordered some microcontrollers that should have been supplied preloaded with the Arduino bootloader and as it turns out they weren't.
As a result I have posted a video on the YouTube channel on how to do this....
Read More
|
29.04.18
Power Supplies Tutorial No.1 (Switch-mode or Linear)
By: Grumpy | 0 Comments | In: Tutorials and Info
This is the first in a series of power supply tutorials I am producing.
In this article we focus on the difference between switch-mode and linear power supply designs. So lets take a look at the the different ways the...
Read More
|