555 Timer Circuit Setup
510 days
Table
| Component | Value | Link |
|---|---|---|
| NE555 Timer IC | — | NE555 Timer IC |
| 2-Pin Terminal Block Connector | — | 2-Pin Terminal Block Connector |
| R1 (Resistor) | 10kΩ | R1 |
| R2 (Resistor) | 100Ω | R2 |
| R3 (Current-limiting Resistor) | — (unspecified) | R3 |
| C1 (Capacitor) | 100 nF (0.1µF) | C1 |
| C2 (Decoupling Capacitor) | 0.1 µF | C2 |
| 1N4148 Diode | — | 1N4148 |
| LED | — | LED |
| Ground Connection | — | GND |
510 days
510 days
Reviews
Eligible Red Time Machine
Properties
Properties describe core aspects of the project.
Pricing & Availability
Distributor | Qty 1 |
|---|
Controls
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VDDAandVSSApins, you need to consider a few important points. These pins are used to supply power and ground for the analog peripherals, such as ADCs and DACs.VDDAvoltage is the same as theVDDvoltage for the digital section of the microcontroller. Typically, this is 3.3V, but confirm the required voltage in the data sheet.VDDApin to reduce noise and stabilize voltage. A typical value is 100nF.VREF+pin (note thatVDDAtypically also acts asVREF+in this configuration).VDDApin using a resistor and capacitor (e.g., 10Ω and 1µF). This can help further decouple the analog power from digital noise.VDDApin: Connect R1:1 to the power source and R1:2 to C1:1.VSSAto minimize noise.VSSA) separate from the digital ground (VSS) as much as possible on your PCB to avoid noise coupling. They should connect at a single point, often at the power supply.