This is easy circuit charger batt Nicad. For batt 1.2V. When you have NiCad Battery should want to have Battery Charger Circuit. I begs for to advise NiCad Battery Charger this , because of build easy. With the integrated circuit number CA3140. Use the techinque Charger by current be stable.Make the electric charge well. But [...]

This be mini size power amplifier 2 watt OTL that use IC LM380. Be base readymade circuit for side sound work and the communication. Which use outside equipment adds least. The C6 can choose get many the value since 47uF to at 470uF which , have a voice good bass. The C3 use for decrease [...]

If you have a 12V battery. But you have load to use the voltage 1.5V to 9V at 0.75Amp And should reduce the noise as well. Search-based circuits. We use IC LM317K main equipment. This circuit is DC converter low voltage , 12V from be 1.25V to 10Vdc by can give current topmost get about [...]