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2.The process supports design scales of 300 devices or 1000 pads
3.Supports simple circuit simulation
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2.Smooth support for design sizes of over 5,000 devices or 10,000 pads
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STD ESP8266 Sensor Board copy
License: CERN Open Hardware License
Mode: Editors' pick
Cloned from ESP8266 Sensor Board
- 2
Update time：
2020-12-19 22:09:35
Creation time：
2019-01-18 17:25:54
Description
This is a battery powered sensor board based on the ESP8266 (ESP-12F).
By using a TPL5111 chip the battery consumption can be reduced to about 1µA when the ESP is not enabled. When the TPL5111 chip receives 5V at it's wake up pin this will turn the ESP on by enabling the 3.3V voltage regulator. At this moment you can run any program you want. If you want to turn the ESP off again you have to drive the DONE pin from the TPL5111 high, this will disable the voltage regulator.
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity | Mounted |
|---|---|---|---|---|---|
| 1 | MCP1700T-3302E/TT | U2 | SOT-23(SOT-23-3) | 1 | Yes |
| 2 | 1uF | C1,C2 | 0603 | 2 | Yes |
| 3 | TPL5111 | U1 | SOT23-6 | 1 | Yes |
| 4 | 22uf | C3 | 0603 | 1 | Yes |
| 5 | 120k | R1 | 0603 | 1 | Yes |
| 6 | TACTILE SWITCH | SW1 | SWITCH-4X4X1.5_SMD | 1 | Yes |
| 7 | AO3400A | Q1,Q2,Q5 | SOT-23(SOT-23-3) | 3 | Yes |
| 8 | JUMPER-3 | JP1,JP2 | SJ_3 | 2 | Yes |
| 9 | 74LVC1G86GW | U3 | SOT-353 | 1 | Yes |
| 10 | 22uF | C4 | 0603 | 1 | Yes |
| 11 | 10k | R2,R3,R4,R5,R6,R7,R8,R10,R11,R13 | 0603 | 10 | Yes |
| 12 | ESP-12F(ESP8266MOD) | U4 | ESP-12F | 1 | Yes |
| 13 | AO3401A | Q3,Q4 | SOT-23(SOT-23-3) | 2 | Yes |
| 14 | 33k | R9 | 0603 | 1 | Yes |
| 15 | GPIO0 | SW2 | SWITCH-4X4X1.5_SMD | 1 | Yes |
| 16 | 4k7 | R12 | 0603 | 1 | Yes |
| 17 | Spare Pins | P5 | HEADER 1X6 2.54 OVAL PADS | 1 | Yes |
| 18 | Battery Input | P1 | HEADER 1X2 2.54 OVAL PADS | 1 | Yes |
| 19 | Sensor Input | P2 | HEADER 1X3 2.54 OVAL PADS | 1 | Yes |
| 20 | DS18B20 | P3 | HEADER 1X3 2.54 OVAL PADS | 1 | Yes |
| 21 | Programming Pins | P4 | HEADER 1X4 2.54 OVAL PADS | 1 | Yes |
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