diff --git a/src/omnicrystal.cpp b/src/omnicrystal.cpp
index 22c42a5..efde73f 100644
--- a/src/omnicrystal.cpp
+++ b/src/omnicrystal.cpp
@@ -175,10 +175,19 @@ Omnicrystal& Omnicrystal::display_off(){
 /*------------------- FIM CONFIGURAÇÃO DO DISPLAY ---------------------*/
 
 Omnicrystal& Omnicrystal::set_cursor(uint8_t line, uint8_t col){
-    if(line <= _line){
-        if(col <= _col){
+    if(line < _line){
+        if(col < _col){
             send(addrs[line]+col, 0);
         }
     }
     return *this;
 }
+
+Omnicrystal& Omnicrystal::create_char(uint8_t c[8], uint8_t pos){
+    pos &= 0b00000111;
+    send(0x40 | (pos<<3), 0);
+    for(size_t i = 0; i < 8; i++){
+        send(c[i], 1);
+    }
+    return *this;
+}
diff --git a/src/omnicrystal.h b/src/omnicrystal.h
index 620b26c..299039b 100644
--- a/src/omnicrystal.h
+++ b/src/omnicrystal.h
@@ -49,7 +49,7 @@ enum LCDCharSize {
 
 class Omnicrystal : public Print{
     private:
-        static constexpr uint8_t addrs[4] = {0x80, 0xC0, 0x80+20, 0xC0+20}; //endereços para LCD 16x2 e 20x4
+        const uint8_t addrs[4] = {0x80, 0xC0, 0x80+20, 0xC0+20}; //endereços para LCD 16x2 e 20x4
         LCDInterface &_bridge;
         const BusType _bus; // tipo de comunicação 4 ou 8 bits
         const uint8_t _line; // quantidade de linhas no display
@@ -97,6 +97,8 @@ class Omnicrystal : public Print{
         Omnicrystal& display_off();
         Omnicrystal& set_cursor(uint8_t line, uint8_t col);
 
+        Omnicrystal& create_char(uint8_t c[8], uint8_t pos);
+
         Omnicrystal& begin();
         virtual size_t write(uint8_t);
 };