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by zmemw16
Wed Mar 29, 2017 2:05 pm
Forum: Problems with libraries
Topic: I2C in different pin.. how to do it?
Replies: 1
Views: 30

Re: I2C in different pin.. how to do it?

that suggests the adafruit library already has the code in it, so you need to take a close look at it; in particular the constructor and begin methods.
stephen
by zmemw16
Wed Mar 29, 2017 1:49 pm
Forum: STM32F4 Boards
Topic: Sticky: STM32F4 boards - limited support
Replies: 22
Views: 5746

Re: Sticky: STM32F4 boards - limited support

although a tad more, this is a ZGT board, product id on aliexpress 32761236140 same shop has this as the corresponding LCD product id on aliexpress 32746532235 this is first time i've seen a 'corresponding display for a board' in the blurb actually, so the more of us the merrier :D to me that 'corre...
by zmemw16
Wed Mar 29, 2017 1:32 pm
Forum: STM32F4 Boards
Topic: f407vet6 & f407zet6
Replies: 40
Views: 1852

Re: f407vet6 & f407zet6

that's the beastie, it's currently showing $11.99, so you might want to clone a "Black F4ZET6" from that as well. :D their name is rather similar to a Waveshare product :?: as to a monopoly on it and its big brother within this group, buy a couple and make the most of it; i think the price...
by zmemw16
Sun Mar 26, 2017 9:15 pm
Forum: Off topic
Topic: this one is pure gravity
Replies: 4
Views: 81

Re: this one is pure gravity

not when i posted it :D
by zmemw16
Sun Mar 26, 2017 3:16 pm
Forum: Off topic
Topic: this one is pure gravity
Replies: 4
Views: 81

Re: this one is pure gravity

981/100

google 9.81
by zmemw16
Sun Mar 26, 2017 1:04 pm
Forum: Off topic
Topic: this one is pure gravity
Replies: 4
Views: 81

this one is pure gravity

ok, 100 times it
by zmemw16
Sat Mar 25, 2017 6:42 pm
Forum: Projects
Topic: Display and control buttons for a web radio
Replies: 1
Views: 52

Re: Display and control buttons for a web radio

alternate functions, in the data sheet it lists each possible use for a pin.
look for alternate functions, istr a 9 page table listing them, i printed it out for myself :D
also look in the reference manual.

do a forum search for 'afio libmaple', there's a recent post about how to use them
stephen
by zmemw16
Fri Mar 24, 2017 9:26 pm
Forum: Ideas & suggestions
Topic: Best way to point to arrays of various sizes?
Replies: 5
Views: 60

Re: Best way to point to arrays of various sizes?

pretty sure i've seen this done with 'templates' that work on any type of arg ?

well past me in c++ just noted it as a maybe useful at the time

stephen
by zmemw16
Fri Mar 24, 2017 9:21 pm
Forum: Generic STM32F103
Topic: RF24 Library on hardware SPI2
Replies: 8
Views: 127

Re: RF24 Library on hardware SPI2

@edogaldo
someone finally clarified that, drives me nuts

on subject of nice boards, be aware that on one such 103c8 (black & has a concentric circles logo), I2C1 is not on PB6/PB7.
not got that one going either. i suspect a comprehensive pin waggling suite is called for :)
stephen

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