| Li-Ion button cell battery charger |
Charges Li-Ion button cell batteries. |
2.96 |
3,907 |
| Power supply 0-15V |
Regulated power supply in range 0-15V with 2N3055. |
2.95 |
8,201 |
| NiCd battery charger v2 |
Another NiCd battery charger. |
2.95 |
3,809 |
| Smart battery tester and charger |
Intelligent battery tester and charger of all types of rechargeable batteries. |
2.94 |
9,000 |
| Automatic emergency light |
Automatic emergency light with charger and automatic light switch. |
2.94 |
8,616 |
| Power source 13.5kV |
Power source 13.5kV. |
2.94 |
3,630 |
| Linear power regulator |
Linear power regulator. |
2.94 |
5,017 |
| 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 |
42,663 |
| Simple power supply without regulation |
Simple power supply without regulation that delivers 12V. |
2.92 |
4,159 |
| PC AT power supply |
Schematics of PC AT power supply. |
2.91 |
2,751 |
| Regulated power supply 1.27V to 25V |
Schematics of great power supply with voltage regulation with LM338K (1.27-25V, up to 5A). |
2.91 |
11,685 |
| Power supply with regulation and short-circuit protection |
Power supply with regulation and short-circuit protection 5A, 20V max. |
2.91 |
9,948 |
| Pulsed power supply for lasers |
Pulses red keychain laser. |
2.91 |
2,459 |
| 5V and 3.3V from USB port |
How to get 5 i 3.3 Volts from USB port. |
2.91 |
4,569 |
