Author: Squonk42

Flight Instruments 0

Motion Sensor Fusion

  Satellite-based geolocation has become a commonplace, thanks to the manufacturers that managed to integrate high-sensitivity RF receivers and complex mathematical computation required by the GPS technology into small and cheap devices that fit...

The Generic STM32F103 Pinout Diagram 0

STM32F103C8T6 boards: Blue Pill or Red Pill?

Not exactly related to Wi-Fi, but I am tinkering with the cheap STM32F103C8T6 boards that you can buy on AliExpress @ $1.52/piece here: https://www.aliexpress.com/item/sku/32498344057.html I received them exactly 1 month after I ordered them. As...

ESP-01 Breadboard Adapter 0

Squonk’s DIY ESP-01 WiFi Module Breadboard Adapter

Espressif ESP8266 WiFi chip received a lot of attention lately, both because of its integrated RF front-end requiring no calibration, and also because of its dirt cheap price: you can find WiFi modules featuring...

9

Arduino Yùn: what is under the hood?

Two years after its initial release, the Arduino Yùn board has not been explored in details: featuring a large metal shield on its top PCB side, I am surprised that no hacker already tried to remove...

NodeMCU board 3

NodeMCU Review

It took 25 days to arrive (I guess I missed the first plane), but it eventually arrived yesterday! However, this is a standard delay for packages coming from China. For those of you that...