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You are here: Home / 2022 / Archives for November 2022

Archives for November 2022

November 19, 2022 by David Such Leave a Comment

An Arduino Nano Electronic Speed Controller (ESC) — Part 3

In Part 1 we introduced our Arduino based ESC and followed this in Part 2 with an explanation of the power stage and MOSFET drivers. Part 3 focusses on the bootstrap capacitor which is part of the driver circuit used to turn the high-side MOSFET hard on. #arduino #bldcmotor #esc #bootstrapcapacitor #IR2110

https://reefwing.medium.com/an-arduino-nano-electronic-speed-controller-esc-part-3-e17392bd2887

Filed Under: App Development, Drones, Embedded, Marketing

November 16, 2022 by David Such Leave a Comment

OLED Displays are slow!

We have been prototyping an Arduino based Electronic Speed Controller and planned to include a 0.96″ OLED display. Tests on an Arduino UNO, clocked at 16 MHz, have shown that this display could best be described as sluggish! Even using SPI, printing out 3 lines of text results in a loop cycle time of 15 Hz. Quelle horreur! This prompted us to investigate further to understand the bottlenecks, SPI vs I2C speed, and whether there were any work arounds. #arduino #oled #SSD1306 #DFR0650 #SPIvsI2C

https://reefwing.medium.com/oled-displays-are-slow-2f422840d735

Filed Under: App Development, Drones, Embedded, Robotics

November 14, 2022 by David Such Leave a Comment

An Arduino Nano Electronic Speed Controller (ESC) — Part 2

Part 2 focuses on the power stage (AKA 3-phase bridge) and why MOSFET drivers are needed.

This series of articles was sponsored by PCBWay. #arduino #shield #ESC #bldcmotor #pcbway

https://medium.com/@reefwing/an-arduino-nano-electronic-speed-controller-esc-part-2-2bb5ec7c309a

Filed Under: Drones, Embedded, Robotics

November 10, 2022 by David Such Leave a Comment

How to Design an Arduino Electronic Speed Controller (ESC)

Having delved into how BLDC motors operate and provided an overview of trapezoidal sensorless control, we can bring it all together in the design of an Arduino ESC shield. This turned out to be much harder than we expected – now we know why no-one does it!

This series of articles was sponsored by PCBWay.

#arduino #shield #ESC #bldcmotor

https://reefwing.medium.com/an-arduino-nano-electronic-speed-controller-esc-part-1-4f65076fb2e4

Filed Under: Drones, Embedded, Robotics

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Creating Minesweeper using BeeWare, Python, and Pygame

April 9, 2024 By David Such Leave a Comment

How to create a cross-platform clone of the 90’s classic game Minesweeper, using the briefcase/pygame/python tech stack. #beeware #pygame #python #minesweeper https://reefwing.medium.com/creating-minesweeper-using-beeware-python-and-pygame-e8dae29cf02d

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