| Li-Ion button cell battery charger |
Charges Li-Ion button cell batteries. |
2.96 |
3,908 |
| Power supply 0-15V |
Regulated power supply in range 0-15V with 2N3055. |
2.96 |
8,204 |
| NiCd battery charger v2 |
Another NiCd battery charger. |
2.95 |
3,811 |
| Linear power regulator |
Linear power regulator. |
2.95 |
5,020 |
| Power source 13.5kV |
Power source 13.5kV. |
2.94 |
3,630 |
| Smart battery tester and charger |
Intelligent battery tester and charger of all types of rechargeable batteries. |
2.94 |
9,004 |
| Automatic emergency light |
Automatic emergency light with charger and automatic light switch. |
2.94 |
8,617 |
| Regulated power supply v2 |
Laboratory power source with regulation 1.2-12V, fixed 5V and 12V. Current up to 1A. |
2.94 |
5,261 |
| Power inverter 12V-220V |
A very simple power inverter 12V to 220V with astable multivibrator. |
2.93 |
42,679 |
| 5V and 3.3V from USB port |
How to get 5 i 3.3 Volts from USB port. |
2.92 |
4,571 |
| Simple power supply without regulation |
Simple power supply without regulation that delivers 12V. |
2.92 |
4,160 |
| Power supply with regulation and short-circuit protection |
Power supply with regulation and short-circuit protection 5A, 20V max. |
2.91 |
9,951 |
| PC AT power supply |
Schematics of PC AT power supply. |
2.91 |
2,752 |
| Triac regulation |
Regulated power supply with triac and PIC microcontroller. Can be used as a light dimmer. |
2.91 |
7,094 |
| Battery chargers |
Li-Ion, Ni-MH, Ni-Cd battery charger schematics and theory about charging them. |
2.91 |
6,945 |
