{"draftJsState":{"blocks":[{"data":{"image":{"id":"644272446da6c90a856ae808"}},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"","type":"atomic:image","key":"6rauf"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Принципиальная схема","type":"header-three","key":"1cm4u"},{"data":{"image":{"id":"644272582068b843f7ee677c"}},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"","type":"atomic:image","key":"4qten"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Максимальное входное напряжение – 15 Вольт","type":"unstyled","key":"123kq"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Измеряемое напряжение – 0–50 Вольт","type":"unstyled","key":"b269r"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Скетч","type":"header-three","key":"ejlsl"},{"data":{},"depth":0,"entityRanges":[{"key":0,"length":52,"offset":102}],"inlineStyleRanges":[],"text":"1 - Для начала в Arduino IDE нужно добавить библиотеку для дисплея TM1637. Её можно скачать по ссылке https://github.com/lpodkalicki/attiny-tm1637-library","type":"unstyled","key":"60s1n"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"2 - Код с пояснениями:","type":"unstyled","key":"a1u76"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":24,"offset":0,"style":"ITALIC"}],"text":"// подключаем библиотеки","type":"unstyled","key":"almes"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"#include ","type":"unstyled","key":"9vel0"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"#include ","type":"unstyled","key":"3qcum"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"#include ","type":"unstyled","key":"fqt4c"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"#include ","type":"unstyled","key":"17ntj"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"#include ","type":"unstyled","key":"8vk2e"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":65,"offset":0,"style":"ITALIC"}],"text":"// вывод микроконтроллера с которого снимаем показания напряжения","type":"unstyled","key":"5h6l5"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"#define VOLTMETER_PIN PB4","type":"unstyled","key":"ca33q"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":63,"offset":0,"style":"ITALIC"}],"text":"// количество итераций для расчёта среднего значения напряжения","type":"unstyled","key":"6nvh7"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"#define VOLTMETER_SAMPLES_MAX (255) // max number of samples","type":"unstyled","key":"c50d8"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":20,"offset":0,"style":"ITALIC"}],"text":"// прототипы функций","type":"unstyled","key":"f48ck"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"static void voltmeter_init(void);","type":"unstyled","key":"9rnvr"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"static void voltmeter_process(void);","type":"unstyled","key":"6jefq"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":19,"offset":0,"style":"ITALIC"}],"text":"// сумма напряжений","type":"unstyled","key":"bu356"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"static uint32_t samples_sum = 0L;","type":"unstyled","key":"41bf7"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":22,"offset":0,"style":"ITALIC"}],"text":"// количество итераций","type":"unstyled","key":"6u8qh"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"static volatile uint8_t samples_cnt = 0;","type":"unstyled","key":"2pks0"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"","type":"unstyled","key":"efe24"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":26,"offset":0,"style":"ITALIC"}],"text":"// точка входа в программу","type":"unstyled","key":"f30br"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"int","type":"unstyled","key":"4qm3d"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"main(void)","type":"unstyled","key":"a0vfo"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"{","type":"unstyled","key":"a7ejs"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"/* setup */","type":"unstyled","key":"h5vu"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"voltmeter_init();","type":"unstyled","key":"ooub"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"/* loop */","type":"unstyled","key":"96r11"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"while (1) {","type":"unstyled","key":"1fs6r"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"voltmeter_process();","type":"unstyled","key":"cohem"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"}","type":"unstyled","key":"a0dqg"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"}","type":"unstyled","key":"9j0sp"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":35,"offset":0,"style":"ITALIC"}],"text":"// функция инициализации вольтметра","type":"unstyled","key":"cn327"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"void","type":"unstyled","key":"2of2a"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"voltmeter_init(void)","type":"unstyled","key":"ag67a"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"{","type":"unstyled","key":"a2500"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":56,"offset":19,"style":"ITALIC"}],"text":"TM1637_init(1, 5); // инициализируем дисплей (1/*enable*/, 5/*brightness*/)","type":"unstyled","key":"75mi6"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":39,"offset":28,"style":"ITALIC"}],"text":"DDRB &= ~_BV(VOLTMETER_PIN);// установка порта измерения напряжения","type":"unstyled","key":"9psbs"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":23,"offset":29,"style":"ITALIC"}],"text":"PORTB &= ~_BV(VOLTMETER_PIN);// режим чтения с порта","type":"unstyled","key":"4i5mf"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":16,"offset":43,"style":"ITALIC"}],"text":"ADCSRA |= _BV(ADPS2)|_BV(ADPS1)|_BV(ADPS0);// включение АЦП","type":"unstyled","key":"6llst"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":23,"offset":30,"style":"ITALIC"}],"text":"ADCSRA |= _BV(ADEN)|_BV(ADIE);// включение прерывания","type":"unstyled","key":"7rbi4"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":52,"offset":29,"style":"ITALIC"}],"text":"ADMUX = _BV(MUX1)|_BV(REFS0);// с PB4 чтение + опорное внутреннее напряжение 1.1В","type":"unstyled","key":"de801"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":29,"offset":0,"style":"ITALIC"}],"text":"// установка на дисплее нулей","type":"unstyled","key":"nj8n"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"TM1637_display_digit(0, 0);","type":"unstyled","key":"4kv53"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"TM1637_display_digit(1, 0);","type":"unstyled","key":"d8enl"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"TM1637_display_digit(2, 0);","type":"unstyled","key":"4hmrp"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"TM1637_display_digit(3, 0);","type":"unstyled","key":"75jsl"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":22,"offset":0,"style":"ITALIC"}],"text":"// включение двоеточия","type":"unstyled","key":"e6tfd"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"TM1637_display_colon(1);","type":"unstyled","key":"95an4"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":35,"offset":7,"style":"ITALIC"}],"text":"sei(); // включение глобального прерывания","type":"unstyled","key":"5grdq"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":26,"offset":20,"style":"ITALIC"}],"text":"ADCSRA |= _BV(ADSC);// старт первого измерения","type":"unstyled","key":"3efor"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"}","type":"unstyled","key":"au56t"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":29,"offset":0,"style":"ITALIC"}],"text":"// функция расчета напряжения","type":"unstyled","key":"6dknb"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"void","type":"unstyled","key":"d7544"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"voltmeter_process(void)","type":"unstyled","key":"j805"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"{","type":"unstyled","key":"35hs3"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"uint32_t value;","type":"unstyled","key":"8cuc7"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":60,"offset":0,"style":"ITALIC"}],"text":"// если количество итерации не равно максимальному, то выход","type":"unstyled","key":"9mhb8"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"if (samples_cnt < VOLTMETER_SAMPLES_MAX) {","type":"unstyled","key":"32r7o"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"return;","type":"unstyled","key":"8peli"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"}","type":"unstyled","key":"1osgr"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":26,"offset":0,"style":"ITALIC"}],"text":"//расчет среднего значения","type":"unstyled","key":"58d41"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"value = samples_sum / (uint32_t)samples_cnt;","type":"unstyled","key":"vs3u"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":34,"offset":0,"style":"ITALIC"}],"text":"// резистивный делитель напряжения","type":"unstyled","key":"6m384"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":47,"offset":0,"style":"ITALIC"}],"text":"// перевод значения в вольты умноженного на 100","type":"unstyled","key":"7bjdl"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":46,"offset":0,"style":"ITALIC"}],"text":"// формула рассчитана на резисторы 10К и 100К ","type":"unstyled","key":"4s0ss"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":28,"offset":0,"style":"ITALIC"}],"text":"// и опорное напряжение 1.1V","type":"unstyled","key":"71boo"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"value = ((value*11*10000/10240)/9);","type":"unstyled","key":"at8i8"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"samples_sum = samples_cnt = 0;","type":"unstyled","key":"6onjh"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"if (value < 100) value = 0;","type":"unstyled","key":"6sud5"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":19,"offset":0,"style":"ITALIC"}],"text":"// вывод на дисплей","type":"unstyled","key":"cr50r"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"TM1637_display_digit(0, value%10000/1000);","type":"unstyled","key":"9d144"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"TM1637_display_digit(1, value%1000/100);","type":"unstyled","key":"c0vah"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"TM1637_display_digit(2, value%100/10);","type":"unstyled","key":"78foo"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"TM1637_display_digit(3, value%10);","type":"unstyled","key":"e0hl6"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"TM1637_display_colon(1);","type":"unstyled","key":"7tfq9"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":29,"offset":0,"style":"ITALIC"}],"text":"// произвести измерение снова","type":"unstyled","key":"bsu46"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"ADCSRA |= _BV(ADSC);","type":"unstyled","key":"e3pii"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"}","type":"unstyled","key":"en7an"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":38,"offset":0,"style":"ITALIC"}],"text":"// прерывание на каждом витке итерации","type":"unstyled","key":"4qtbg"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"ISR(ADC_vect)","type":"unstyled","key":"dt7d6"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"{","type":"unstyled","key":"ehgt6"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"uint8_t low, high;","type":"unstyled","key":"3r0k0"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"if (samples_cnt < VOLTMETER_SAMPLES_MAX) {","type":"unstyled","key":"13bjd"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":53,"offset":0,"style":"ITALIC"}],"text":"//получение значения напряжения относительно опорного","type":"unstyled","key":"dqitf"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"low = ADCL;","type":"unstyled","key":"269tf"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"high = ADCH;","type":"unstyled","key":"3k18l"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"samples_sum += (high << 8) | low;","type":"unstyled","key":"8ii47"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"samples_cnt++;","type":"unstyled","key":"718qb"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[{"length":29,"offset":0,"style":"ITALIC"}],"text":"//запуск следующего измерения","type":"unstyled","key":"1gghr"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"ADCSRA |= _BV(ADSC);","type":"unstyled","key":"1iea4"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"}","type":"unstyled","key":"4t2rq"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"}","type":"unstyled","key":"113mi"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"","type":"unstyled","key":"b4b2r"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Скетч использует 924 байт (90%) памяти устройства.","type":"unstyled","key":"79bm5"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Что у меня получилось","type":"header-three","key":"8n5qj"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Докупил модуль для линейного изменения напряжения на LM317","type":"unstyled","key":"3ba8t"},{"data":{"image":{"id":"64427413945b861c56de5fa4"}},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"","type":"atomic:image","key":"aq3a4"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Присоединил к нему получившейся вольтметр. Перепаял потенциометр. На вход и выход USB порты.","type":"unstyled","key":"98n39"},{"data":{"image":{"id":"64427432d03b59025583439f"}},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"","type":"atomic:image","key":"29g85"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"","type":"unstyled","key":"1rhfs"},{"data":{"image":{"id":"6442743b6be5ae7bceaab802"}},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"","type":"atomic:image","key":"5l27n"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Устройство вставляешь в PowerBank и регулируешь напряжение","type":"unstyled","key":"373fl"},{"data":{"image":{"id":"644274514fb9606613de670d"}},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"","type":"atomic:image","key":"1ir43"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Устройство в корпусе выглядит более эстетично. В дальнейшем покажу как можно использовать с другими устройствами. Например, градусник.","type":"unstyled","key":"8sic9"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Ссылки","type":"header-three","key":"d7ill"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"ATTINY13","type":"unstyled","key":"2d029"},{"data":{},"depth":0,"entityRanges":[{"key":1,"length":48,"offset":0}],"inlineStyleRanges":[],"text":"https://aliexpress.ru/item/1005002989696673.html","type":"unstyled","key":"3af75"},{"data":{},"depth":0,"entityRanges":[{"key":2,"length":48,"offset":0}],"inlineStyleRanges":[],"text":"https://aliexpress.ru/item/1005002234382805.html","type":"unstyled","key":"7cc46"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Дисплей TM1637","type":"unstyled","key":"61g16"},{"data":{},"depth":0,"entityRanges":[{"key":3,"length":45,"offset":0}],"inlineStyleRanges":[],"text":"https://aliexpress.ru/item/4000587257525.html","type":"unstyled","key":"9h6gj"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"LM317 регулируемый регулятор напряжения","type":"unstyled","key":"5nem3"},{"data":{},"depth":0,"entityRanges":[{"key":4,"length":43,"offset":0}],"inlineStyleRanges":[],"text":"https://aliexpress.ru/item/32800530332.html","type":"unstyled","key":"ds5dc"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"AMS1117","type":"unstyled","key":"cfpv8"},{"data":{},"depth":0,"entityRanges":[{"key":5,"length":43,"offset":0}],"inlineStyleRanges":[],"text":"https://aliexpress.ru/item/32517690677.html","type":"unstyled","key":"125ng"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"Металлический внешний аккумулятор","type":"unstyled","key":"ahina"},{"data":{},"depth":0,"entityRanges":[{"key":6,"length":48,"offset":0}],"inlineStyleRanges":[],"text":"https://aliexpress.ru/item/1005002082758550.html","type":"unstyled","key":"8sbpg"},{"data":{},"depth":0,"entityRanges":[],"inlineStyleRanges":[],"text":"","type":"marker","key":"jbHMte9icWaITtrBhVjx"}],"entityMap":{"0":{"data":{"href":"https://github.com/lpodkalicki/attiny-tm1637-library","url":"https://github.com/lpodkalicki/attiny-tm1637-library"},"mutability":"MUTABLE","type":"LINK"},"1":{"data":{"href":"https://aliexpress.ru/item/1005002989696673.html","url":"https://aliexpress.ru/item/1005002989696673.html"},"mutability":"MUTABLE","type":"LINK"},"2":{"data":{"href":"https://aliexpress.ru/item/1005002234382805.html","url":"https://aliexpress.ru/item/1005002234382805.html"},"mutability":"MUTABLE","type":"LINK"},"3":{"data":{"href":"https://aliexpress.ru/item/4000587257525.html","url":"https://aliexpress.ru/item/4000587257525.html"},"mutability":"MUTABLE","type":"LINK"},"4":{"data":{"href":"https://aliexpress.ru/item/32800530332.html","url":"https://aliexpress.ru/item/32800530332.html"},"mutability":"MUTABLE","type":"LINK"},"5":{"data":{"href":"https://aliexpress.ru/item/32517690677.html","url":"https://aliexpress.ru/item/32517690677.html"},"mutability":"MUTABLE","type":"LINK"},"6":{"data":{"href":"https://aliexpress.ru/item/1005002082758550.html","url":"https://aliexpress.ru/item/1005002082758550.html"},"mutability":"MUTABLE","type":"LINK"}}},"mentions":[]}