Kwaziso kune vese vaverengi vechikamu che "DIY kana Zviite Iwe" paHabr! Chinyorwa chanhasi chinenge chiri chekubata switch pane TTP223 chip |
Kufanana nemapurojekiti ese apfuura, iyi zvakare chirongwa cheArduino, chirongwa ichi chakanyorwa muArduino IDE. Iko kushandiswa kwesoftware kwemudziyo kwakavakirwa paMysensors protocol |
(Kune avo vanoda kudzidza -
Iyo touch switch board yakagadziridzwa muchirongwa cheDeeptrace, ichifunga nezvekugadzira kwakatevera uchishandisa nzira yeLaser Ironing Technology (LUT). Bhodhi rakagadzirwa muhukuru hwe60x60mm (yakajairika girazi pani ine zviyero zve80x80mm). Dunhu rakadhindwa pamapeji emagazini yeAntenna uye ndokutamiswa nesimbi yeBosch ine "Len" yekumisikidza (yakanyanya simba) pane kaviri-mativi foil fiberglass board 1.5mm, 35µm (pasipo imwe).
Etching yakaitwa nemhinduro yeferric chloride, yakambogadzirirwa muzvikamu zve 1.5 maspuni pa 250 ml yemvura inodziya. Kuita kwacho kwakatora maminitsi gumi nemashanu.
Kuboora maburi e interlayer vias uye kusungirira chibatiso chebhatiri chakaitwa neDREMEL 3000 mini-drill yakaiswa pachibhorani cheDREMEL 220. Makomba e interlayer vias akaboorwa nechibooreso che 0,4mm, maburi echibatiso chine 1,1mm chibooreso . Kucheka uchitevedza miganhu yebhodhi kwakaitwa neicho mini-drill ine DREMEL 540 yakanamatirwa (Kucheka denderedzwa d=32.0mm). Kuchekerera kwaiitwa muchina chekufemesa.
Tinning ye etched board yakaitwa uchishandisa Rose alloy mune aqueous solution (1 teaspoon ye crystallized citric acid pa 300 ml yemvura).
The soldering muitiro wakatora inenge awa, nguva yakawanda yaishandiswa soldering waya (tinned, 0.4 mm dhayamita) mumakomba kuti interlayer vias.
Bhodhi rakagezwa neFLUX OFF aerosol cleaner.
Dhizaini yemutumbi wemudziyo wakaitwa mune matatu-dimensional komputa-inobatsira dhizaini dhizaini. Case dimensions 78,5mm X 78,5mm X 12mm.
Iyo yakapedzwa modhi yekesi uye bhatiri chivharo chekamuri yakachengetwa muSTL fomati, saka zvaive zvakafanira kugadzirira aya mamodheru kuti adhindwe pane SLA printer (kuwedzera zvitsigiro, kutungamira). Panguva ino, dambudziko diki rakamuka, sezvo nzvimbo yekudhinda yeimba SLA inodhinda idiki. Iyo modhi yekesi yemuchina mune yakanyanya kunaka chinzvimbo maererano nenguva yekudhinda haina kukwana muhukuru hwenzvimbo yekudhinda. Pakuisa iyo modhi pa45 madhigirii, yakapawo mhedzisiro inoodza mwoyo; huremu hwetsigiro hwaive hwakaenzana nehuremu hwemuenzaniso wemuviri. Zvakasarudzwa kudhinda modhi yakatwasuka, kuita tsigiro kune rimwe remativi epamberi, mushure mekubvumirana pachine nguva neiyo post-processing. Kudhinda mutumbi kwakatora maawa mashanu nekuisa layer kwe5 microns. Zvadaro, kugadzirisa kwakaitwa uchishandisa sandpaper yakanaka kwazvo (ini handisi kuzonyora nhamba nekuti handizive :)). Ivhavha yebhatiri yakatora maminetsi makumi mana kuti idhindwe.
Magirazi egirazi kubva kuAliexpress anotengeswa aine furemu yepurasitiki yakatonamirwa; pakanga pasina matambudziko nekubvisa furemu. Ndakabvisa girazi regirazi mushure mekutanga kuipisa neyakaodha bvudzi.
Iyo diffuser ye LED backlight yakagadzirwa nekaviri-mativi tepi ine acrylic adhesive 3M 9088-200. Pakuvhenekesa kwefluorescent pakanga paine zvinhu zvakati wandei zvekusarudza kubva, tepi yekunamatira yekuChina uye bepa rekunamira rakachekwa kuita matepi kubva kukambani yemumba yeLuminofor. Sarudzo yakaitwa mukufarira mugadziri wepamba; zvinoenderana nemanzwiro angu, yaipenya nekureba. Sikweya yepepa ine fluorescent pigment yakanamirwa pamusoro ne 3M 9088-200 tepi ine mativi maviri.
Girazi rakanamirwa kumuviri wekuchinja uchishandisa kaviri-mativi tepi ine 3M VHB 4910 acrylic adhesive.
Chivharo chakagadziriswa nescrew M 1,4 X 5 mm.
Mutengo wechigadzirwa chacho waiva 890 rubles.
Kwakazotevera chikamu chepurogiramu. Paiva nemamwe matambudziko. Zvinoitika kuti TTP223 sensor chips inoshanda zvakanaka neyakagadzika 3.3V magetsi uye isiri mushe kana yaiswa simba rakananga kubva mubhatiri rakanyatsoburitswa. Paunotanga mudziyo uine magetsi kutenderedza 2.5v, uyezve mushure mekuwedzera "kudonha" paunenge uchigadzira iyo Mysensors mharidzo, iyo TTP223 microcircuit (pakarepo mushure mekugadzirisa) yakakonzera kukanganisa kweMK sezvo yaive ine inokonzeresa.
Simba rekupa dunhu kune microcircuit rakashandurwa (simba rekutonga TTP223 ine gpio MK), imwe ivhu yakapihwa, uye maresitorendi ane kupikisa kwepamusoro akatsiviwa pamitsetse yakatungamira rgb (iyo inomhanya kune rumwe rutivi rwecapacitive sensor board). Iyo yakawedzerwawo kune software: activation yesimba reiyo capacitive microcircuit mushure mekutanga Mysensors chimiro uye kushanda kunze mharidzo. Iko kunonoka kweauto-calibration yeTTP223 chip kana simba raiswa rakapetwa kaviri. Shanduko idzi dzese dzakabvisa zvachose dambudziko iri.
Usati waona iyo kodhi yepurogiramu, ini ndinokurudzira kuti iwe uzvizive iwe neiyo yakakosha chimiro chezvikeche muMysensors.void before()
{
// Дополнительная функция, если сравнивать со стандартной структурой Ардуино скетчей, то before() это подобие setup(), отработка происходит до инициализации транспортного уровня Mysensors, рекомендуется например для инициализации устройств SPI
}
void setup()
{
}
void presentation()
{
//Тут происходит презентация ноды и ее сенсоров на контролере через маршрутизатор
sendSketchInfo("Name of my sensor node", "1.0"); // презентация названия ноды, версии ПО
present(CHILD_ID, S_WHATEVER, "Description"); // презентация сенсоров ноды, описания сенсоров
}
void loop()
{
}
Bata switch chirongwa chekuyedza kodhi:test_sens.ino
/**
ТЕСТОВЫЙ СКЕТЧ СЕНСОРНОГО ВЫКЛЮЧАТЕЛЯ С ПРЕРЫВАНИЯМИ НА NRF_LPCOMP
*/
bool button_flag;
bool sens_flag;
bool send_flag;
bool detection;
bool nosleep;
byte timer;
unsigned long SLEEP_TIME = 21600000; //6 hours
unsigned long oldmillis;
unsigned long newmillis;
unsigned long interrupt_time;
unsigned long SLEEP_TIME_W;
uint16_t currentBatteryPercent;
uint16_t batteryVoltage = 0;
uint16_t battery_vcc_min = 2400;
uint16_t battery_vcc_max = 3000;
#define MY_RADIO_NRF5_ESB
//#define MY_PASSIVE_NODE
#define MY_NODE_ID 30
#define MY_PARENT_NODE_ID 0
#define MY_PARENT_NODE_IS_STATIC
#define MY_TRANSPORT_UPLINK_CHECK_DISABLED
#define IRT_PIN 3 //(PORT0, gpio 5)
#include <MySensors.h>
// see https://www.mysensors.org/download/serial_api_20
#define SENS_CHILD_ID 0
#define CHILD_ID_VOLT 254
MyMessage sensMsg(SENS_CHILD_ID, V_VAR1);
//MyMessage voltMsg(CHILD_ID_VOLT, V_VOLTAGE);
void preHwInit() {
sleep(2000);
pinMode(RED_LED, OUTPUT);
digitalWrite(RED_LED, HIGH);
pinMode(GREEN_LED, OUTPUT);
digitalWrite(GREEN_LED, HIGH);
pinMode(BLUE_LED, OUTPUT);
digitalWrite(BLUE_LED, HIGH);
pinMode(MODE_PIN, INPUT);
pinMode(SENS_PIN, INPUT);
}
void before()
{
NRF_POWER->DCDCEN = 1;
NRF_UART0->ENABLE = 0;
sleep(1000);
digitalWrite(BLUE_LED, LOW);
sleep(150);
digitalWrite(BLUE_LED, HIGH);
}
void presentation() {
sendSketchInfo("EFEKTA Sens 1CH Sensor", "1.1");
present(SENS_CHILD_ID, S_CUSTOM, "SWITCH STATUS");
//present(CHILD_ID_VOLT, S_MULTIMETER, "Battery");
}
void setup() {
digitalWrite(BLUE_LED, LOW);
sleep(100);
digitalWrite(BLUE_LED, HIGH);
sleep(200);
digitalWrite(BLUE_LED, LOW);
sleep(100);
digitalWrite(BLUE_LED, HIGH);
lpComp();
detection = false;
SLEEP_TIME_W = SLEEP_TIME;
pinMode(31, OUTPUT);
digitalWrite(31, HIGH);
/*
while (timer < 10) {
timer++;
digitalWrite(GREEN_LED, LOW);
wait(5);
digitalWrite(GREEN_LED, HIGH);
wait(500);
}
timer = 0;
*/
sleep(7000);
while (timer < 3) {
timer++;
digitalWrite(GREEN_LED, LOW);
sleep(15);
digitalWrite(GREEN_LED, HIGH);
sleep(85);
}
timer = 0;
sleep(1000);
}
void loop() {
if (detection) {
if (digitalRead(MODE_PIN) == 1 && button_flag == 0 && digitalRead(SENS_PIN) == 0) {
//back side button detection
button_flag = 1;
nosleep = 1;
}
if (digitalRead(MODE_PIN) == 1 && button_flag == 1 && digitalRead(SENS_PIN) == 0) {
digitalWrite(RED_LED, LOW);
wait(10);
digitalWrite(RED_LED, HIGH);
wait(50);
}
if (digitalRead(MODE_PIN) == 0 && button_flag == 1 && digitalRead(SENS_PIN) == 0) {
nosleep = 0;
button_flag = 0;
digitalWrite(RED_LED, HIGH);
lpComp_reset();
}
if (digitalRead(SENS_PIN) == 1 && sens_flag == 0 && digitalRead(MODE_PIN) == 0) {
//sens detection
sens_flag = 1;
nosleep = 1;
newmillis = millis();
interrupt_time = newmillis - oldmillis;
SLEEP_TIME_W = SLEEP_TIME_W - interrupt_time;
if (send(sensMsg.set(detection))) {
send_flag = 1;
}
}
if (digitalRead(SENS_PIN) == 1 && sens_flag == 1 && digitalRead(MODE_PIN) == 0) {
if (send_flag == 1) {
while (timer < 10) {
timer++;
digitalWrite(GREEN_LED, LOW);
wait(20);
digitalWrite(GREEN_LED, HIGH);
wait(30);
}
timer = 0;
} else {
while (timer < 10) {
timer++;
digitalWrite(RED_LED, LOW);
wait(20);
digitalWrite(RED_LED, HIGH);
wait(30);
}
timer = 0;
}
}
if (digitalRead(SENS_PIN) == 0 && sens_flag == 1 && digitalRead(MODE_PIN) == 0) {
sens_flag = 0;
nosleep = 0;
send_flag = 0;
digitalWrite(GREEN_LED, HIGH);
sleep(500);
lpComp_reset();
}
if (SLEEP_TIME_W < 60000) {
SLEEP_TIME_W = SLEEP_TIME;
sendBatteryStatus();
}
}
else {
//if (detection == -1) {
SLEEP_TIME_W = SLEEP_TIME;
sendBatteryStatus();
}
if (nosleep == 0) {
oldmillis = millis();
sleep(SLEEP_TIME_W);
}
}
void sendBatteryStatus() {
wait(20);
batteryVoltage = hwCPUVoltage();
wait(2);
if (batteryVoltage > battery_vcc_max) {
currentBatteryPercent = 100;
}
else if (batteryVoltage < battery_vcc_min) {
currentBatteryPercent = 0;
} else {
currentBatteryPercent = (100 * (batteryVoltage - battery_vcc_min)) / (battery_vcc_max - battery_vcc_min);
}
sendBatteryLevel(currentBatteryPercent, 1);
wait(2000, C_INTERNAL, I_BATTERY_LEVEL);
//send(powerMsg.set(batteryVoltage), 1);
//wait(2000, 1, V_VAR1);
}
void lpComp() {
NRF_LPCOMP->PSEL = IRT_PIN;
NRF_LPCOMP->ANADETECT = 1;
NRF_LPCOMP->INTENSET = B0100;
NRF_LPCOMP->ENABLE = 1;
NRF_LPCOMP->TASKS_START = 1;
NVIC_SetPriority(LPCOMP_IRQn, 15);
NVIC_ClearPendingIRQ(LPCOMP_IRQn);
NVIC_EnableIRQ(LPCOMP_IRQn);
}
void s_lpComp() {
if ((NRF_LPCOMP->ENABLE) && (NRF_LPCOMP->EVENTS_READY)) {
NRF_LPCOMP->INTENCLR = B0100;
}
}
void r_lpComp() {
NRF_LPCOMP->INTENSET = B0100;
}
#if __CORTEX_M == 0x04
#define NRF5_RESET_EVENT(event)
event = 0;
(void)event
#else
#define NRF5_RESET_EVENT(event) event = 0
#endif
extern "C" {
void LPCOMP_IRQHandler(void) {
detection = true;
NRF5_RESET_EVENT(NRF_LPCOMP->EVENTS_UP);
NRF_LPCOMP->EVENTS_UP = 0;
MY_HW_RTC->CC[0] = (MY_HW_RTC->COUNTER + 2);
}
}
void lpComp_reset () {
s_lpComp();
detection = false;
NRF_LPCOMP->EVENTS_UP = 0;
r_lpComp();
}
MyBoardNRF5.cpp
#ifdef MYBOARDNRF5
#include <variant.h>
/*
* Pins descriptions. Attributes are ignored by arduino-nrf5 variant.
* Definition taken from Arduino Primo Core with ordered ports
*/
const PinDescription g_APinDescription[]=
{
{ NOT_A_PORT, 0, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER}, // LFCLK
{ NOT_A_PORT, 1, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER}, // LFCLK
{ PORT0, 2, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), ADC_A0, PWM4, NOT_ON_TIMER},
{ PORT0, 3, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), ADC_A1, PWM5, NOT_ON_TIMER},
{ PORT0, 4, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), ADC_A2, PWM6, NOT_ON_TIMER},
{ PORT0, 5, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), ADC_A3, PWM7, NOT_ON_TIMER},
{ PORT0, 6, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER}, // INT3
{ PORT0, 7, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER}, // INT4
{ PORT0, 8, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM10, NOT_ON_TIMER}, //USER_LED
{ PORT0, 9, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER}, // NFC1
{ PORT0, 10, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER}, // NFC2
{ PORT0, 11, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER}, // TX
{ PORT0, 12, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER}, // RX
{ PORT0, 13, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER}, // SDA
{ PORT0, 14, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER}, // SCL
{ PORT0, 15, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER}, // SDA1
{ PORT0, 16, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER}, // SCL1
{ PORT0, 17, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER}, // TP4
{ PORT0, 18, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER}, // TP5
{ PORT0, 19, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER}, // INT2
{ PORT0, 20, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER}, // INT1
{ PORT0, 21, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER}, // INT1
{ PORT0, 22, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM9, NOT_ON_TIMER},
{ PORT0, 23, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM8, NOT_ON_TIMER},
{ PORT0, 24, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER}, // INT
{ PORT0, 25, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM11, NOT_ON_TIMER}, //RED_LED
{ PORT0, 26, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM11, NOT_ON_TIMER}, //GREEN_LED
{ PORT0, 27, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM11, NOT_ON_TIMER}, //BLUE_LED
{ PORT0, 28, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), ADC_A4, PWM3, NOT_ON_TIMER},
{ PORT0, 29, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), ADC_A5, PWM2, NOT_ON_TIMER},
{ PORT0, 30, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), ADC_A6, PWM1, NOT_ON_TIMER},
{ PORT0, 31, PIO_DIGITAL, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), ADC_A7, PWM0, NOT_ON_TIMER}
};
// Don't remove this line
#include <compat_pin_mapping.h>
#endif
MyBoardNRF5.h
#ifndef _MYBOARDNRF5_H_
#define _MYBOARDNRF5_H_
#ifdef __cplusplus
extern "C"
{
#endif // __cplusplus
// Number of pins defined in PinDescription array
#define PINS_COUNT (32u)
#define NUM_DIGITAL_PINS (32u)
#define NUM_ANALOG_INPUTS (8u)
#define NUM_ANALOG_OUTPUTS (8u)
/*
* LEDs
*
* This is optional
*
* With My Sensors, you can use
* hwPinMode() instead of pinMode()
* hwPinMode() allows to use advanced modes like OUTPUT_H0H1 to drive LEDs.
* https://github.com/mysensors/MySensors/blob/development/drivers/NRF5/nrf5_wiring_constants.h
*
*/
#define PIN_LED1 (16)
#define PIN_LED2 (15)
#define PIN_LED3 (17)
#define RED_LED (PIN_LED1)
#define GREEN_LED (PIN_LED2)
#define BLUE_LED (PIN_LED3)
#define INTERRUPT_PIN (5)
#define MODE_PIN (25)
#define SENS_PIN (27)
/*
* Analog ports
*
* If you change g_APinDescription, replace PIN_AIN0 with
* port numbers mapped by the g_APinDescription Array.
* You can add PIN_AIN0 to the g_APinDescription Array if
* you want provide analog ports MCU independed, you can add
* PIN_AIN0..PIN_AIN7 to your custom g_APinDescription Array
* defined in MyBoardNRF5.cpp
*/
static const uint8_t A0 = ADC_A0;
static const uint8_t A1 = ADC_A1;
static const uint8_t A2 = ADC_A2;
static const uint8_t A3 = ADC_A3;
static const uint8_t A4 = ADC_A4;
static const uint8_t A5 = ADC_A5;
static const uint8_t A6 = ADC_A6;
static const uint8_t A7 = ADC_A7;
/*
* Serial interfaces
*
* RX and TX are required.
* If you have no serial port, use unused pins
* CTS and RTS are optional.
*/
#define PIN_SERIAL_RX (11)
#define PIN_SERIAL_TX (12)
#ifdef __cplusplus
}
#endif
#endif
Iyo switch ine bhatani rekubata uye bhatani rekuchenjera kuseri kwemudziyo. Iri bhatani rehungwaru richashandiswa sevhisi modhi, pamusoro-iyo-mhepo yekusunga modhi, uye kugadzirisa mudziyo. Bhatani rine iron anti-bounce feature. Mutsara wecapacitive sensor uye mutsara weiyo tact bhatani yakabatana kuburikidza neSchottky diodes uye yakabatana neanalog pini p0.05, uye zvakare kubva kune capacitive sensor uye bhatani rekuchenjera kune mitsara kune MK pini p0.25 uye p0.27 .0.05 yezviverengero zvekuverenga mushure mekuita kuti kuvhiringidze papini p0.05. XNUMX. Papini pXNUMX, kukanganisa kuburikidza nemuenzanisi (NRF_LPCOMP) kuburikidza neEVENTS_UP kunoitwa. Ndakawana kurudziro yekugadzirisa dambudziko racho
Iyo switch yakawedzerwa kune Mysensors network, inotungamirwa neakangwara imba controller Majordomo (
PHP kodhi yekuwedzera switch kune iyo mamiriroUpdate nzira
if (getGlobal("MysensorsButton01.status")==1) {
if (getGlobal('MysensorsRelay04.status') == 0) {
setGlobal('MysensorsRelay04.status', '1');
} else if (getGlobal('MysensorsRelay04.status') == 1) {
setGlobal('MysensorsRelay04.status', '0');
}
}
Ona mhedzisiro muvhidhiyo
Gare gare, sarudzo yakaitwa ine boost converter, asi izvi hazvinei nekushanda kweTTP223 capacitive microcircuit; pane chishuwo chakawanda chekuvhenekera kwakanaka uye kwakafanana kana uchidzvanya makiyi mukati mehupenyu hwese hwebhatiri.
View
Project Github -
kutaura chiRussian
Mamwe mapikicha
Source: www.habr.com