Download sx-emcalc electronics calculator, includes several calculators like calculator for IC LM2576, TL431, MC34063, TL494, KA7500, UC385x, UC384x, NCP3065. 4, 5 and 6 band resistor color code calculators. Heat sink calculator, Zener diode calculator.
Features Download sx-emcalc 1.1 electronics calculator
- Note: Features marked [SRC] are in source code version yet, [BETA] means work still in progress.
- Resistor voltage divider (simple with match finder and 3-element with pot trimmer)
- Basic calculator (current, power, etc.)
- Calculator for MC34063 (all converter types)
- LM2576 buck converter + Vout calculator
- [BETA] NCP3065/66 Buck LED driver calculator
- TL431 reference calculator + part match finder
- Zener diode references and calculator
- LED series resistor (capacitor) calculator
- Atmel MCU timer calculator (all modes)
- Voltage drop in a wire/cable
- Parallel/series element connection
- Resistor color band decoder
- Element marking decoder
- Reactive resistance (L/C) calculator
- Time-frequency converter
- SMPS Controller frequency (TL494, KA7500, UC385x, UC384x)
- SMPS Efficiency
- Heatsink calculator (single side rectangle only yet)
- LCD Character Editor (44780, Nokia)
- [BETA] Comparator calculator
- OP Amp calculator
- Wirewound resistor calculator
 Download sx-emcalc 1.1 electronics calculator

About the author
Xtronic.org blog author. Electronics technician for the technical school of Brasilia - Brazil. Interested in electronics, circuits and technology in general.