linux raspberrypi 4.9.56-v7+ #1044 smp fri oct 13 15:23:13 bst 2017 armv7l gnu/linux fmpeg version 3.2.5-1 when try use h264_omx encoder [h264_omx @ 0x4eb940] libomx_core.so not found [h264_omx @ 0x4eb940] libomxcore.so not found tried apt-file find 2 files don't seem part of package?! where/how should find them? in advance! after research learned omx layer in raspbian handled libomxil-bellagio library. fact ffmpeg apparently expecting different library suggest there's wrong raspbian ffmpeg package? anyway, recompiled ffmpeg myself , got h264_omx encoder work. raspberrypi
hello, i need simple timer or stopwatch sketch. i have uno. i going use 2 photoelectric sensors , need basic simple sketch start timer when first 1 tripped , turn timer off when second 1 reached. displayed in seconds , minutes. i have reset button start over. read on digital readout, know how that. any appreciated. thanks, tony the same question asked in forum few days ago. is school assignment? check this link - may you'll find 1 of classmate... build code doing this: in plain english it's stage = waiting // start if detector1 goes above below threshold loop read both detectors , button. if button pressed set stage waiting else if detector 1 above threshold , stage waiting set stage starting if detector1 below threshold , stage starting then record start time , set sta...
hello everyone! having issue code have had no issues running before. today while trying upload code (no changes made) received error: avr-g++: error: missing filename after '-o' exit status 1 error compiling. this first time have received error. mean? using fastled library adafruit pro trinket. here code using. code: [select] #include <fastled.h> #define led_pin_a 5 // pin connecting left side bank of helmet leds #define led_pin_b 6 // pin connecting right side #define buttonpin 3 // button change patterns #define num_leds 32 // num of ws2811 leds in each - total 32 x 2 = 64 #define brightness 255 #define led_type ws2811 #define color_order grb crgb leds[num_leds]; #define updates_per_second 100 crgbpalette16 currentpalette; tblendtype currentblending; extern crgbpalette16 myredwhitebluepalette; extern const ...
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