True 3 wire SPI on the ESP32 (detaching MISO from the pin matrix)

From chris-stubbs.co.uk 4 years ago in Blogs

I screwed up. On my latest board using an ESP32 I connected an LED to pin 19, but it would never light up. I wasn’t using the pin for anything else, and sources online didn’t seem to indicate any problem … Continue reading →

Articles from Chris Stubbs

TP-Link HS100 WiFi socket controller for Windows – V2.1.0.0 released!

From chris-stubbs.co.uk 4 years ago in Blogs

V2.1.0.0 – Added timers & automatic startup/shutdown You can now add a registry key to start with Windows. Create on/off timers for devices. Automatically turn devices on/off on program launch/exit. Click here for more details.

TP-Link HS100 WiFi socket controller for Windows – V2.0.0.0 released!

From chris-stubbs.co.uk 4 years ago in Blogs

2.0.0.0 – First release to GitHub New features: CLI mode. Copy ID to clipboard. Bug fixes: Better management of tray icons. Removed from alt-tab list when minimised to tray. Click here for more details.

The EMF Roamer

From chris-stubbs.co.uk 4 years ago in Blogs

While packing for EMFcamp 2018, I came across a small tracked robot chassis at the back of my cupboard. It was instantly obvious that this needed to be turned into a small internet controlled robot for the camp. It could...

µTesla – One inch tesla coil

From chris-stubbs.co.uk 4 years ago in Blogs

For the Hackaday square inch PCB contest, I decided to have a go at miniaturising the slayer exciter circuit often used on chip musical tesla coil kits often found on ebay and aliexpress. It turned out to be fairly straightforward!...

TP-Link HS100 WiFi socket controller for Windows

From chris-stubbs.co.uk 5 years ago in Blogs

I own a couple of TP-Link HS100 WiFi sockets. When I’m using my PC, it’s a minor pain to have to unlock my phone, open the Kasa app, wait for it to finish displaying the infernal splashscreen, then turn on...

SXHAM1 – CHEAPO18 flight for EssexHAM/TXFactor/RSGB – 31/05/15

From chris-stubbs.co.uk 8 years ago in Blogs

I was approached by Pete M0PSX to do a HAB launch for a promotional video by the RSGB. The launch took place from the EssexHAM field event at Shoebury East Beach on Sunday the 31st of May. There were a...

ECC1 – Pi in the sky test flight 24/05/2015

From chris-stubbs.co.uk 8 years ago in Blogs

On Sunday the 24th May 2015, I carried out a test flight of the Pi in the sky high altitude balloon tracker for our local council. There are currently over 10 schools constructing payloads around this tracker which should be launching...

UKHASnet WiFi node using ESP8266

From chris-stubbs.co.uk 8 years ago in Blogs

Since the UKHAS conference in August I have been playing with some UKHASnet nodes, which are “A simple wireless network aimed for use with low power licence exempt wireless modules”. The system was developed by members of the UKHAS community,...

JOTA HAB launch

From chris-stubbs.co.uk 8 years ago in Blogs

On the 18th and 19th of October I joined Steve Smith (G0TDJ) and Pete Sipple (M0PSX) at the Jamboree On The Air scout event in Basildon. We carried out two launches, a cheapo payload under a 100g pawan on Saturday,...

EMF Camp 2014 – Habville

From chris-stubbs.co.uk 8 years ago in Blogs

On the 29th August – 1st September, I joined over 1000 other campers at Electromagnetic Field camp in Milton Keynes. Said field was equipped with mains power and high speed internet, which allowed them to host some great workshops, talks...