Based on the DC-DC converter circuit MC-34063, it can provide integrated 500 milliamper power without extra power amplification, but this value changes according to the output voltage, the operating frequency of which is determined as 70 kHz with the C6 capacitor, you can adjust the output voltage with the r4 5k trimpot. The materials used…
The charging circuit can fast charge “Lithium polymer” lipo batteries for three batteries connected in series in switched mode. 3 of series-connected batteries rechargeable S1 segment with a key charging current 350-milliampere 530-milliampere 720-milliamp-1000-milliampere between can be selected charging status LEDs observations can model, model, robot works and of persons engaged useful to a circuit…
Voltage current adjustable power supply circuit is based on LM723 voltage regulator IC, the power transistors used are 2 bd249 input voltage dc 40 volt dc 1volt 37volt voltage adjustment 40 mA 3 ampere current adjustment. Also, two pots are used for current adjustment, so precise adjustment can be made. . The regulated part of…
MAX1811 USB port on to recharge the battery produced an integrated very little material circuit can be established circuit charge status LEDs can be observed also 4.1 volts, 4.2 volts elections and 100mA 500mA charging current can be selected fed lipo li-ion battery charging circuit circuit eagle crafted with PCBs and schema files available MAX1811…
SMPS circuits usually open type cooling is very important in power supplies adapter or amateur field studies, so not a problem because it is spacious area has a large fleshy cooling fan deny use to make air circulation and so on. SMPS circuit for closed-type, but has a very fine calculations Below of various brands…
N555 to the one-in flash unit in a digital camera based on the modified MOSFET been supplemented with a simple control circuit to provide continuous light is provided Flash old camera and extracted the flash unit, but unfortunately part of the circuit went with the camera body, and I had to build a little clock…
TDA8138 Two Channel Regulator Circuit PCB printed circuit and schematic drawing of TDA8138 datasheet application prepared with eagle cad electronic drawing program. I used to wonder why they wouldn’t do this type of multi-output IC from time to time, but it wasn’t very popular or it didn’t come across to me.. TDA8138 features; Output current…
A search 9v to 12v converter circuit requester had a person which article do not remember was a bit late but certainly someone that would work for a circuit dc-dc converter circuit’s input voltage 9 … 13.8v between the output 13.8 volts (12 .12 v adjustable) 13.8 volt output with 1.68 amps can give Used…
A versatile circuit, ideal for technical services that do different mixed works, transformer etd29 winding directions used in the switching (smps) section, wire diameters are shown with pictures Quick charge for Nicad, NiMH, LiION, SLA and Lead Acid batteries and accumulators 1.2Volt, 2.4Volt, 3.6Volt, 4.8Volt, 6Volt, 7.2Volt, 8.4Volt, 9.6Volt, 12Volt, 14.4Volt. For SLA and Lead…
A complete 12v 6v battery charging system built on a PIC16F628A microcontroller, a very powerful 16.6 amps 2xlcd display with charge voltage, current and temperature can be observed (volt ampere with lcd display can give an idea for a simple measurement circuit for heat) source .asm .hex files prepared with software assembly language exists. The…