Differences

This shows you the differences between two versions of the page.

Link to this comparison view

notes:hd44780-vs-st7066 [19/11/2018 18:04]
alez [Hack howto]
notes:hd44780-vs-st7066 [19/11/2018 18:25] (current)
alez [The Hack]
Line 52: Line 52:
 | R6 | 18k | 130k | | R6 | 18k | 130k |
  
-Original values meant a V0 from about -0.18 to +1.V (duty 50% gives about +0.5V)+Maths: 
 + 
 +V0 = R4/R3 * R2/R1 * Vr - R4/R3 * (R2+R1)/R1 * R6/(R5+R6) * Vcc 
 + 
 +Note that Vee is not critical. 
 + 
 +Original values meant a V0 from about -0.027 to +1.35 V (duty 50% gives about +0.65V)
  
 Modified values mean a V0 from about -2.5 to -0.5 V (duty 50% gives about -1.1V) Modified values mean a V0 from about -2.5 to -0.5 V (duty 50% gives about -1.1V)
Navigation

Table of contents

Contact

For any info you can write to:
Per qualunque info potete scrivere a:
info[at]maetech[dot]it

Ads

Print/export
QR Code
QR Code notes:hd44780-vs-st7066 (generated for current page)