Search found 5 matches

by DAJ
Wed Jul 25, 2018 8:53 pm
Forum: Arduino
Topic: HCRTC - Arduino library for use with DS1307 based RTC module
Replies: 2
Views: 10405

Re: HCRTC - Arduino library for use with DS1307 based RTC mo

HCRTC.zip The header file in the library HCRTC.h explicitly includes "wire.h". Note that the standard Arduino file is named "Wire.h" with an upper-case 'W'. There is not "wire.h". If you're building on Windows that won't matter at all because the filesystems on Windows are not case-sensitive. If yo...
by DAJ
Wed Jul 25, 2018 8:43 pm
Forum: Sensors
Topic: DHT21 AM2301 Temperature & Humidity Sensor (HCSENS0026)
Replies: 2
Views: 2013

Re: DHT21 AM2301 Temperature & Humidity Sensor (HCSENS0026)

DHT library: DHTLib.zip That library is fine for 8-bit CPUs, but won't compile for the ESP8266 and ARM-based Arduinos. The original author, Rob Tillaart, has a new version updated for both 8-bit and 32-bit architectures on github. That compiles for the ESP8266 (with a few warnings) and seems to wor...
by DAJ
Wed Jul 11, 2018 2:40 pm
Forum: Display
Topic: SSD1306 128x64 Pixel uOLED display module (HCMODU0050&2)
Replies: 39
Views: 43417

Re: SSD1306 128x64 Pixel uOLED display module (HCMODU0050&2)

We are looking at stocking an I2C version if we can find a suitable supplier. That would be lovely. I have seen similar board that are I2C-only discussed online, and it would be great to find a supplier! I have verified that the OLED board I have works nicely in SPI mode, and I've just bought anoth...
by DAJ
Wed Jun 06, 2018 9:11 am
Forum: Display
Topic: SSD1306 128x64 Pixel uOLED display module (HCMODU0050&2)
Replies: 39
Views: 43417

Re: SSD1306 128x64 Pixel uOLED display module (HCMODU0050&2)

If the back of your display is as pictured above you would need to move resistor R3 to pads R1 and resistor R5 to pads R8. Note that you should only attempt to make this modification if you are comfortable with soldering surface mount components. Thanks for the quick reply. I'll try that if I need ...
by DAJ
Tue Jun 05, 2018 6:34 pm
Forum: Display
Topic: SSD1306 128x64 Pixel uOLED display module (HCMODU0050&2)
Replies: 39
Views: 43417

I2C usage

I have one of these neat little modules. It is does not look like the photos here (but Hobby Components sold it as the same part, so I guess it's a new version). It does look like the one posted by KeithParks, above -- I have basically the same question as the one to which he never got a reply. I ga...