Search found 495 matches

by zoomx
Thu Oct 19, 2017 10:03 am
Forum: General discussion
Topic: Power Blue Pill and Maple Mini from external 3.3 source?
Replies: 5
Views: 118

Re: Power Blue Pill and Maple Mini from external 3.3 source?

Cheap Arduino Pro Mini clones works if powered with external supply but when in sleep mode the LDO uses some mA so if you want to use sleep mode to save power you have to desolder LDO or cut a trace.
by zoomx
Thu Oct 19, 2017 9:53 am
Forum: New users MUST post here first, and let us know a bit about you and your projects
Topic: halo from indonesia
Replies: 5
Views: 51

Re: halo from indonesia

You have a board that is known as Blue Pill, from STM32Wiki http://wiki.stm32duino.com/index.php?title=Blue_Pill http://wiki.stm32duino.com/images/thumb/a/ae/Bluepillpinout.gif/800px-Bluepillpinout.gif TX1 PA9 USART1 RX1 PA10 TX2 PA2 USART2 RX2 PA3 TX3 PB10 USART3 RX3 PB11 After uploading you can us...
by zoomx
Thu Oct 19, 2017 6:09 am
Forum: New users MUST post here first, and let us know a bit about you and your projects
Topic: halo from indonesia
Replies: 5
Views: 51

Re: halo from indonesia

From Arduino reference https://www.arduino.cc/en/Reference/Serial The Arduino Mega has three additional serial ports: Serial1 on pins 19 (RX) and 18 (TX), Serial2 on pins 17 (RX) and 16 (TX), Serial3 on pins 15 (RX) and 14 (TX). To use these pins to communicate with your personal computer, you will ...
by zoomx
Wed Oct 18, 2017 2:27 pm
Forum: New users MUST post here first, and let us know a bit about you and your projects
Topic: halo from indonesia
Replies: 5
Views: 51

Re: halo from indonesia

Yes it need to be changed but you don't need software serial since you more than one hardware serial. MEGA has more than one hardware serial too! In this forum there are also example sketch for PCD8544 LCD (or nokia 5110). PCD8544 (Nokia 5110 Display) http://www.stm32duino.com/viewtopic.php?f=13&t=7
by zoomx
Wed Oct 18, 2017 2:19 pm
Forum: New users MUST post here first, and let us know a bit about you and your projects
Topic: Hello from California
Replies: 15
Views: 179

Re: Hello from California

fpiSTM wrote:
Mon Oct 09, 2017 9:22 am

Code: Select all

"host": "raspian??",
raspbian not raspian!
by zoomx
Tue Oct 17, 2017 2:19 pm
Forum: General discussion
Topic: Funny Package
Replies: 11
Views: 170

Re: Funny Package

:lol:
by zoomx
Wed Oct 11, 2017 7:53 am
Forum: Code snipplets
Topic: A simple infrared (IR) sniffer
Replies: 1
Views: 105

Re: A simple infrared (IR) sniffer

Thanks for sharing! If you want to decode Air Conditioner remote you have to increase the array buffer at about 800 like this sketch http://www.analysir.com/blog/2014/03/19/air-conditioners-problems-recording-long-infrared-remote-control-signals-arduino/ (link at the bottom) because these remote sig...
by zoomx
Wed Oct 04, 2017 2:14 pm
Forum: General discussion
Topic: If I use STM32, do I need RaspberryPi as well?
Replies: 5
Views: 178

Re: If I use STM32, do I need RaspberryPi as well?

acassis,
you're right, usb Host. None STM32 cores has support for it even if the MCU has support. So you have to use the STM SDK.
by zoomx
Wed Oct 04, 2017 9:40 am
Forum: New users MUST post here first, and let us know a bit about you and your projects
Topic: Hi from Byron Bay
Replies: 3
Views: 102

Re: Hi from Byron Bay

You can see my camera mount here https://photos.app.goo.gl/wxqrcT5VtswHWRa82 I bought the mount on eBay from a UK seller many years ago. The script is simple. The EQ1 mount vibrate a lot when moving but stops in seconds. So I wait ten seconds, move focus to infinity and use exposure starting from 1/...