Wyolums ereader code run on a spark core. A 'wif' file is read from the sd-card and displayed on the epaper display. Instruction on how to setup the EPD can be found here
Compiling with Spark Dev
Download and open the 'spark_dev_work' folder in spark dev and compile.
Hardware
Repaper display development board and a adafruit sd-card breakout board is used together with the spark-core. Note! this code only support the COG V1 EPD.
Ereader library and sd card info on http://wyolum.com/wyolum-ereader-library/
SD card library: https://github.com/mumblepins/sd-card-library based on https://github.com/technobly/SparkCore-SD
Pin Number Description Color
- Vcc 3V Red 3.3V*
- (LED1) White - - -
- (UART_RX) Grey - - -
- (UART_TX) Purple - - -
- (SW2) Blue - - -
- Temperature Green A0
- SPI_CLK Yellow A3
- BUSY Orange D7
- PWM Brown A7
- /RESET Black D6
- PANEL_ON Red D2
- DISCHARGE White D4
- BORDER_CONTROL Grey D3
- SPI_MISO Purple A4
- SPI_MOSI Blue A5
- (RST/SBWTDIO) Green - - -
- (TEST/SBWTCK) Yellow - - -
- FLASH_CS Orange D1
- /EPD_CS Brown D0
- GND Black GND
Sd card brakeout board:
CS Chip Select A2
DI: MOSI A5
DI: MISO A4
CLK:SCK A3
GND GND
VCC (3.3v) 3V3