TM1637

Library for TM1637 driven displays.

Description

The TM1637 drives 7 segment displays

Library is tested with Arduino UNO and a 6 digits display.

ESP32 is supported since 0.2.0 see https://github.com/RobTillaart/TM1637_RT/pull/5

TO ELABORATE

Interface

TM1637() constructor
void init(uint8_t clockPin, uint8_t dataPin, uint8_t digits = 6) set up the connection of the pins to the display. As the display is only tested with a 6 digit display, this is used as the default of the digits parameter.
void displayRaw(uint8_t * data, uint8_t pointPos) low level write function.
void displayInt(long value) idem
void displayFloat(float value) idem
void displayHex(uint32_t value) idem
void displayClear() writes spaces to all positions, effectively clearing the display.
void setBrightness(uint8_t b) brightness = 0 .. 7 default = 3.
uint8_t getBrightness() returns value set.

Tuning function

To tune the timing of writing bytes.

void setBitDelay(uint8_t bitDelay = 10)
uint8_t getBitDelay()

Tuning minimum pule length

The class has a conditional code part in writeSync to guarantee the length of pulses when the library is used with an ESP32. The function called there nanoDelay(n) needs manual adjustment depending upon processor frequency and time needed for a digitalWrite. Feel free to file an issue to get your processor supported.

Operation

See examples

Future

elaborate documentation
testing
rename init() to begin() ?

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