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Long-term low-energy wireless communications solution?
Hey everyone! Just wanted to report in and say that the device is finished now. I've attached some pictures and the source code for anyone who might be interested.  ...
Saturday, 23 March 2019 - 20:03
Long-term low-energy wireless communications solution?
gchapman wrote: Naccache wrote:How do you mean I should charge it?Oh Naccache wrote:... when I'm looking for my bike at the bus station.I'm glad the ones of Sweden have...
Saturday, 19 January 2019 - 07:24
Long-term low-energy wireless communications solution?
gchapman wrote: Naccache wrote: I'll use a 2200mAh lithium battery, ...   Nickel batteries can be recharged below freezing; so, can park the bike outside or in a cold garage...
Friday, 18 January 2019 - 15:35
Long-term low-energy wireless communications solution?
clawson wrote: Naccache wrote: the longest I think it'll go between charges is a week.   You should be able to do the sums but consider some rough example numbers. The whole...
Friday, 18 January 2019 - 11:08
Long-term low-energy wireless communications solution?
Kartman wrote:Bluetooth should be low power enough methinks. Something like a nRF51 device. It is supported by Arduino and fairly straightforward to do a mobile app.   I'll...
Friday, 18 January 2019 - 09:16
ATTiny85 locks up after powering on LED
Brian Fairchild wrote: This tells you all you need to know...     That was fast, thanks. I put a single 16k resistor between the AVR and the y_out and now it works...
Thursday, 17 January 2019 - 11:09
ATTiny85 locks up after powering on LED
I should say that it's a breakoutboard like the one shown in the attachment    
Thursday, 17 January 2019 - 10:55
ATTiny85 locks up after powering on LED
Brian Fairchild wrote: Naccache wrote: Could it be the accelerometer not liking something in how I've connected?   Maybe. Although you've not told us the model of the...
Thursday, 17 January 2019 - 10:52
ATTiny85 locks up after powering on LED
DocJC wrote: I'm glad that your project is now working.   Please add a 0.1 uF by-pass cap across the micro's power supply pins, as close to the micro as you can put it....
Thursday, 17 January 2019 - 10:38
ATTiny85 locks up after powering on LED
That did it, thanks.   What did I miss? Something logic related I guess?
Tuesday, 15 January 2019 - 11:49
ATTiny85 locks up after powering on LED
Oh, and the code: #define F_CPU 1000000 #include #include #include #include void hardware_init(void){ ADMUX = (1 << ADLAR) | // left shift result...
Tuesday, 15 January 2019 - 08:44
Software freeze on a ATMega 328P
ki0bk wrote: Looking at some of your while()'s in main(), you have code that is enabled by run = 1, and at one point sets this to run = 0;  but no where in the code other...
Thursday, 5 April 2018 - 06:36

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