Circuit Documentation
Summary of the Circuit
This circuit appears to be a simple solar-powered charging circuit with a light indication feature. The solar panel charges the Li-ion 18650 battery, and the LED indicates the presence of power in the system. A diode is used to prevent backflow of current to the solar panel, and a resistor is used to limit the current to the base of the NPN transistor. The NPN transistor acts as a switch to control the LED based on the charging status.
Component List
Solar Panel
- Description: A device that converts light into electrical energy.
- Pins:
+(Positive),-(Negative)
Li-ion 18650 Battery
- Description: A rechargeable battery used for storing electrical energy.
- Pins:
+(Positive),-(Negative)
NPN Transistor (EBC)
- Description: A type of bipolar junction transistor used as a switch or amplifier.
- Pins:
emitter,base,collector
Diode
- Description: A semiconductor device that allows current to flow in one direction only.
- Pins:
cathode,anode
Resistor
- Description: A passive two-terminal electrical component that implements electrical resistance as a circuit element.
- Pins:
pin1,pin2 - Properties: Resistance: 10,000 Ohms
LED: Two Pin (red)
- Description: A light-emitting diode that emits red light when powered.
- Pins:
cathode,anode
Wiring Details
Solar Panel
- Positive (
+) connected to:- Positive (
+) of the Li-ion 18650 Battery - Anode (
anode) of the LED: Two Pin (red)
- Positive (
- Negative (
-) connected to:- Pin2 of the Resistor
- Cathode (
cathode) of the Diode
Li-ion 18650 Battery
- Positive (
+) connected to:- Positive (
+) of the Solar Panel - Anode (
anode) of the LED: Two Pin (red)
- Positive (
- Negative (
-) connected to:- Emitter (
emitter) of the NPN Transistor (EBC) - Anode (
anode) of the Diode
- Emitter (
NPN Transistor (EBC)
- Emitter (
emitter) connected to:- Negative (
-) of the Li-ion 18650 Battery
- Negative (
- Base (
base) connected to:- Pin1 of the Resistor
- Collector (
collector) connected to:- Cathode (
cathode) of the LED: Two Pin (red)
- Cathode (
Diode
- Cathode (
cathode) connected to:- Negative (
-) of the Solar Panel
- Negative (
- Anode (
anode) connected to:- Negative (
-) of the Li-ion 18650 Battery
- Negative (
Resistor
- Pin1 connected to:
- Base (
base) of the NPN Transistor (EBC)
- Base (
- Pin2 connected to:
- Negative (
-) of the Solar Panel
- Negative (
LED: Two Pin (red)
- Cathode (
cathode) connected to:- Collector (
collector) of the NPN Transistor (EBC)
- Collector (
- Anode (
anode) connected to:- Positive (
+) of the Solar Panel - Positive (
+) of the Li-ion 18650 Battery
- Positive (
Documented Code
There is no embedded code provided for this circuit as there are no microcontroller components listed. Therefore, this section is not applicable for the current circuit documentation.