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To get around this, wired a 16Mhz oscillator up to microcontroller’s clock input. used an STM32L microcontroller for this project, which isn’t specced to run up at the high frequencies he wanted to transmit at. We’ve seen some similar designs that work at lower frequencies, but transmitting up at 96MHz is pretty impressive.
Stm32 driver quadcopter code#
His design uses nothing more than a microcontroller and a 16MHz crystal to transmit CW Morse code on 96MHz. If you’re looking for a simple way to make an RF transmitter, check out ’s Morse code transmitter. Posted in Microcontrollers, Video Hacks Tagged demo, graphics, stm32, STM32F4, vga, video has an entire library of for graphics to allow others to build snazzy video apps. Just because has gone through the trouble of putting together these tutorials doesn’t mean you can’t pull out an STM Discovery board and make your own microcontroller video hacks. It begins with an introduction to pushing pixels, and soon he’ll have a walkthrough on timing and his rasterization framework. This isn’t just a demo, though is writing up a complete tutorial for generating VGA on this chip. ’s build is much more capable, though he’s running 800×600 60FPS with an underclocked CPU and most (90%) of the microcontroller’s resources free. We’ve seen 800×600 VGA on the STM32F4 before, with a circles and text demo and the Bitbox console. The microcontroller in question is the STM32F4, a fairly powerful ARM that we’ve seen a lot of use in some pretty interesting applications. Before we get to the technical overview, here’s the very impressive demo. This microcontroller has no video hardware. is pushing VGA video out of a microcontroller at 800×600 resolution and 60 frames per second.
![stm32 driver quadcopter stm32 driver quadcopter](https://img.alicdn.com/i3/738263294/O1CN01WY7lm31aChIX5VSjF_!!738263294.jpg)
Stm32 driver quadcopter manual#
shows some examples of accessing the timer for PWM, and even looks at the STM32 reference manual to show how he knew where to peek and poke to begin with.Ĭontinue reading “STM32 JavaScript Peeks And Pokes” → Posted in ARM, Microcontrollers Tagged javascript, scripting language, stm32 The old BASIC languages allowed direct memory access using keywords peek and poke. The names derive from another popular abstraction’s escape hatch. However, shows how you can use peeks and pokes to access the hardware directly when the need arises. The Espruino is an ARM processor (an STM32) that has JavaScript on board. When you need to go under the abstraction and do something complex or you need every cycle of performance, you might have to break your normal tools.
![stm32 driver quadcopter stm32 driver quadcopter](https://oscarliang.com/ctt/uploads/2018/06/Speedybee-F4-AIO-FC-connection-diagram-wiring-pinout.jpg)
These high-level abstraction languages are great, until they aren’t. A lot of people find scripting languages very productive and we’ve seen quite a few chips now supporting what you normally think of as a scripting language.