Grumpy News

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....

07.11.17

Self Balancing Robot By: Grumpy Old Tech | 4 Comments | In: Projects

Well I finally have the website up and running so here is all the information for the robot.......

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.......

07.11.17

Apple OSX Upgrade issues By: Grumpy | 0 Comments | In: News

Well not happy Jan.... Have wasted quite a bit of time with upgrading our Mac's to High Sierra and its been a bloody shit fight to say the least...

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 ...

09.11.17

Build a Component Tester By: Grumpy | 0 Comments | In: Projects

I've noticed some component testers on Ebay and were wondering how they performed. I spotted a kit version so please follow along with the build....

09.11.17

Electronic Speed Controller By: Grumpy | 1 Comments | In: Projects

This is the next stage in the development of the one wheel skateboard. Follow along wit the R&D of the ESC for the Brushless Motor control....

09.11.17

WiFi Switch By: Grumpy | 0 Comments | In: Projects

I installed a Raspberry PI loaded with Repetier Server to allow me to remotely access the printer and it allows image capture. Trouble is nothing to be seen when the lights are out!!...