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STD Remote Senor
License: Public Domain
Mode: Editors' pick
- 0
Update time：
2022-03-08 17:26:09
Creation time：
2019-09-30 18:01:00
Description
Uses MOSFETs to intialize power and maintain power by HIGH output on PD7. Initiated by trigger-switch momentary closing.
Circut includes NRF2401 to transmit trigger event and battery status to listening unit.
Self power-down with PD7 LOW.
Credit and thanks to Ralph S Bacon YouTube channel:
https://www.youtube.com/channel/UC8Ob-HnnmhlgSv5Vs_i32TQ
https://www.youtube.com/watch?v=g1rbIG2BO0U&t=1675s
https://www.youtube.com/watch?v=C-VnvjEP0-k
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | AtMel 328P DIP | U1 | DIL28-N | 1 |
| 2 | nrf2401 | U2 | NRF24 | 1 |
| 3 | ICSP | P3 | HDR-3X2/2.54 | 1 |
| 4 | reset | SW2 | SW-DIP-6X6X5 | 1 |
| 5 | 10u | C3 | RAD-0.1 | 1 |
| 6 | 22pF | C1,C2 | RAD-0.1 | 2 |
| 7 | Bat + | P1 | HDR-1X1/2.54 | 1 |
| 8 | sw1-1 | P8 | HDR-1X1/2.54 | 1 |
| 9 | Bat - | P2 | HDR-1X1/2.54 | 1 |
| 10 | sw1-2 | P7 | HDR-1X1/2.54 | 1 |
| 11 | R | LED1 | LED-TH_2PIN-L3.50-W3.80-PITCH2.28-L | 1 |
| 12 | G | LED2 | LED-TH_2PIN-L3.50-W3.80-PITCH2.28-L | 1 |
| 13 | 1k | R2,R3 | AXIAL-0.3 | 2 |
| 14 | 10k | R6 | AXIAL-0.3 | 1 |
| 15 | 180 | R5 | AXIAL-0.3 | 1 |
| 16 | 4k7 | R1 | AXIAL-0.3 | 1 |
| 17 | 100k | R4 | AXIAL-0.3 | 1 |
| 18 | 3v3 VR Module | P6 | HDR-3X1/2.54 | 1 |
| 19 | IRLZ44NPBF | Q2 | TO-220(TO-220-3) | 1 |
| 20 | 16Mhz | Y1 | HC49US | 1 |
| 21 | NDP6020P | Q1 | TO-220(TO-220-3) | 1 |
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