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1.Easy to use and quick to get started
2.The process supports design scales of 300 devices or 1000 pads
3.Supports simple circuit simulation
4.For students, teachers, creators
Profession
1.Brand new interactions and interfaces
2.Smooth support for design sizes of over 5,000 devices or 10,000 pads
3.More rigorous design constraints, more standardized processes
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Ongoing
STD Temperatur Humidity Sensor SHT21
License: Public Domain
Mode: Editors' pick
- 3
Update time：
2024-04-10 17:57:47
Creation time：
2020-07-22 21:57:22
Description
**General**
Powered by 2 AA Batteries Size 20 x 45 (mm) Almost SMD 0805 Atmel328p TQFP32 NRF24I01 smd ATSHA204A chip FLASH for OTA FTDI, ISP SHT21 Sensor
**Description**
The Sensor works directly on two AA Batteries or Ni-MH.
**Settings**
Use Sensebender Micro bootloader Set Fuses before upload bootloader FUSES: L: 0XDE // H: 0XD2 // E: 0X07 (disabled BOD/8Mhz external clock) Set Fuses again, arduino IDE will override it with the default sensebender fuses or modify the board settings in Arduino IDE
Design Drawing
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| ID | Name | Designator | Quantity |
|---|---|---|---|
| 1 | 470k | R10 | 1 |
| 2 | ATMEGA328P-AU | U1 | 1 |
| 3 | RST | F,F1 | 2 |
| 4 | 100n | C4,C5,C6,C7,C8,C2,C1 | 7 |
| 5 | 10k | R3 | 1 |
| 6 | DTR | F2 | 1 |
| 7 | IC_ATSHA204A_CRYPT | U3 | 1 |
| 8 | NRF24SMD | U$2 | 1 |
| 9 | 56k | R7,R4 | 2 |
| 10 | NRF_CSN | F4 | 1 |
| 11 | SPST.B3U-1000P(M) | RESET | 1 |
| 12 | 1M | R11 | 1 |
| 13 | C0 | F5 | 1 |
| 14 | JST_VERTICAL | AVR_ISP,FTDI | 2 |
| 15 | IC_EEPROM | U2 | 1 |
| 16 | 4k7 | R1,R2 | 2 |
| 17 | 100u | C3 | 1 |
| 18 | CONNECTOR_2DUPONT | U$1 | 1 |
| 19 | SHT21 | SN1 | 1 |
| 20 | CSTCE | U$3 | 1 |
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