johnmgreenwell

Greenville, IN

Pinned Repositories

at24cxx
Portable, multi-instance AT24CXX EEPROM driver
Language:C++00
battery-reg-module
Custom lithium-polymer battery voltage monitor and regulator module
Language:HTML00
battery-reg-module-fet
Custom lithium-polymer battery voltage monitor and regulator module (N-FET version)
Language:HTML00
cpld-alu
MAX II CPLD custom ALU with microcontroller interface
Language:C++00
data-logger
Custom PCB for battery-powered SD card data logging
Language:C++00
demo-drivers
Custom HAL drivers implementation demo
Language:C++00
ds3232
Portable, multi-instance driver for DS3232 and DS3231 RTCs
Language:C++00
eeprom-at24cxx
Custom driver for AT24CXX EEPROMs
Language:C++00
gba-bridge
Gameboy Advance cartridge data read/write to/from SD card
Language:C10
htu21d
Portable, multi-instance driver for HTU21D sensors
Language:C++00

johnmgreenwell's Repositories

johnmgreenwell/gba-bridge
Gameboy Advance cartridge data read/write to/from SD card
Language:C10
johnmgreenwell/at24cxx
Portable, multi-instance AT24CXX EEPROM driver
Language:C++00
johnmgreenwell/battery-reg-module
Custom lithium-polymer battery voltage monitor and regulator module
Language:HTML00
johnmgreenwell/battery-reg-module-fet
Custom lithium-polymer battery voltage monitor and regulator module (N-FET version)
Language:HTML00
johnmgreenwell/cpld-alu
MAX II CPLD custom ALU with microcontroller interface
Language:C++00
johnmgreenwell/data-logger
Custom PCB for battery-powered SD card data logging
Language:C++00
johnmgreenwell/demo-drivers
Custom HAL drivers implementation demo
Language:C++00
johnmgreenwell/ds3232
Portable, multi-instance driver for DS3232 and DS3231 RTCs
Language:C++00
johnmgreenwell/eeprom-at24cxx
Custom driver for AT24CXX EEPROMs
Language:C++00
johnmgreenwell/htu21d
Portable, multi-instance driver for HTU21D sensors
Language:C++00
johnmgreenwell/keypad
Portable, multi-instance driver for matrix keypads
Language:C++
johnmgreenwell/led
Generic, portable, multi-instance LED driver
Language:C++
johnmgreenwell/mcp23008
Portable, multi-instance I2C IO-expander driver
Language:C++
johnmgreenwell/mcp23s08
Portable, multi-instance SPI IO-expander driver
Language:C++
johnmgreenwell/micro-numeric-display
Print data to 7-segment micro-numeric indicator chip with Teensy microcontroller
Language:C++
johnmgreenwell/micro7seg
Portable, multi-instance 7-segment display driver
Language:C++
johnmgreenwell/relay
Generic, portable, multi-instance relay driver
Language:C++
johnmgreenwell/rtc-relay
Bluetooth-controlled time-keeping mains-powered relay switch
Language:C++
johnmgreenwell/shift-register
Generic, portable, multi-instance shift register driver
Language:C++
johnmgreenwell/ssd1306
Portable, multi-instance driver for SSD1306 monochrome 128x64 and 128x32 OLEDs
Language:C++
johnmgreenwell/switch
Generic, portable, multi-instance switch driver
Language:C++
johnmgreenwell/utility-scripts
Miscellaneous scripts for reference
Language:Shell

johnmgreenwell

Pinned Repositories

at24cxx

battery-reg-module

battery-reg-module-fet

cpld-alu

data-logger

demo-drivers

ds3232

eeprom-at24cxx

gba-bridge

htu21d

johnmgreenwell's Repositories

johnmgreenwell/gba-bridge

johnmgreenwell/at24cxx

johnmgreenwell/battery-reg-module

johnmgreenwell/battery-reg-module-fet

johnmgreenwell/cpld-alu

johnmgreenwell/data-logger

johnmgreenwell/demo-drivers

johnmgreenwell/ds3232

johnmgreenwell/eeprom-at24cxx

johnmgreenwell/htu21d

johnmgreenwell/keypad

johnmgreenwell/led

johnmgreenwell/mcp23008

johnmgreenwell/mcp23s08

johnmgreenwell/micro-numeric-display

johnmgreenwell/micro7seg

johnmgreenwell/relay

johnmgreenwell/rtc-relay

johnmgreenwell/shift-register

johnmgreenwell/ssd1306

johnmgreenwell/switch

johnmgreenwell/utility-scripts