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| Regional areas: | 3-4 business days |
| Remote areas: | 3-5 business days |
Feature:
Product name: analog transmitter
Supply voltage: DC5V
PCB size: 36*28mm
Note: This kit requires self-assembly
Principle:
This kit consists of NE555 and its peripheral devices to form a time base circuit, the key K controls the power on time, makes the buzzer sound, and simulates the telegraph sound.
Package includes:
1 x DIY Kit
| List | ||
| Component name | Component position | Quantity |
| 1/4W Resistor 1K | R1 | 1 |
| 1/4W Resistor 10K | R2 | 2 |
| 1/4W resistor 4.7K | R3 | 3 |
| Ceramic capacitor 333 | C1 | 1 |
| Ceramic capacitor 103 | C2 | 1 |
| Electrolytic capacitor 100uF/25V | C3 | 1 |
| 5MM red LED | LED | 1 |
| Touch button 6*6*5MM | K | 1 |
| In-line NE555 chip | U1 | 1 |
| 3x AA battery boxes (battery not included) | 1 | |
| PCB board | 1 | |
