7-Segment Backpack min brightness still very bright

EL Wire/Tape/Panels, LEDs, pixels and strips, LCDs and TFTs, etc products from Adafruit

Moderators: adafruit_support_bill, adafruit

7-Segment Backpack min brightness still very bright

Postby dlchambers » Sat Dec 01, 2012 2:07 pm

To start off, I'll say that the backpack is a great product and it couldn't be easier to use.
That said :wink:...
The backpack allows you to set the display's brightness (eg. Arduino lib's setBrightness() fcn) from 0 to 0x0f.
Unfortunately, the minimum setting (0) is still quite bright - excessively bright in a dark room.
I was hoping to use it on my bedside table, like an alarm clock, but it's way too bright for that.
Given that this is probably just a PWM thing, why not allow the user to set the duty cycle between 0% and 100% ?
dlchambers
 
Posts: 3
Joined: Thu May 12, 2011 2:23 pm

Re: 7-Segment Backpack min brightness still very bright

Postby adafruit » Sat Dec 01, 2012 9:10 pm

Unfortunately, we're stuck with whats in the hard-coded chip software. The chip itself doesn't support anything dimmer than 1/16th brightness. perhaps you could cover it with a neutral filter to dim it more?
User avatar
adafruit
 
Posts: 10483
Joined: Thu Apr 06, 2006 3:21 pm
Location: nyc


Return to Glowy things (LCD, LED, TFT, EL) purchased at Adafruit

Who is online

Users browsing this forum: No registered users and 5 guests

Stuff to buy from the Adafruit store and links to product documentation!


New Products [105]

Raspberry Pi[80]
 
FLORA[23]
 
Bunnie Studios[9]
 
FPGA[1]
 
mbed[11]
Arduino[60]
 
NETduino[14]
 
BeagleBone[24]
 
Android[6]
 
XBee[10]
More Dev Boards[30]


 
BoArduino[8]
 
SpokePOV[4]
 
TV-B-Gone[4]
 
MiniPOV[3]
 
SIM reader[3]
 
Microtouch[5]
 
Clocks & Watches[18]
 
Drawdio[4]
 
Brain Machine[1]
 
Game of Life[2]
 
MintyBoost[2]
More DIY Kits[16]


 
MaKey MaKey[3]
 
Tweet-a-Watt[5]
 
Young Engineers[33]
 
Discover Electronics[2]
 
Snap Circuits[4]
 
littleBits[3]
 
Project packs[8]


 
Breakout Boards[33]
LCDs & Displays[48]
Components & Parts[69]
Batteries & Power[49]
EL Wire/Tape/Panel[52]
LEDs[108]
 
Wireless[14]
Cables[60]
 
Lasers[6]
Sensors/Parts[145]
 
Enclosures/Cases[11]
 
Solar[11]
 
RFID / NFC[13]
Prototyping[69]
 
iDevices[13]
Tools[71]
 
Wearables[39]
 
CNC[37]
 
Robotics[29]
 
3D printing[1]
 
Materials[24]


 
Stickers[41]
 
Skill badges[55]
 
Books[25]
 
Circuit Playground[7]
 
Gift Certificates[4]