| ATTiny84 |
ATTiny84A-SSU MCU (SOIC-14) |
|
| RFM95 |
HopeRF RFM95W Lora Module |
|
| R1 |
Resistor 100Ω SMD 1206 |
Only if LED is mounted, Value fitting for LED |
| R2 |
Resistor 47kΩ SMD 1206 |
Pullup for NSS line, for more reliable programming |
| D1 |
LED SMD 1206 |
Optional, connected to pin A7 |
| C1,C2 |
Capacitor 100nF SMD 1206 |
Bypass Capacitors for ATTiny and RFM95 |
| BAT1 |
CR2032 Battery Holder |
See pictures for the type I used |
| ANT1 |
868 MHz Antenna |
SMA Connector, u.fl Connector or Coil Antenna |
| J1 |
1x8 Pin 2.54mm pitch header |
Optional, for the Case directly solder the Sensor to the Backside of the PCB |
| PRG1 |
2x3 Pin 2.54mm pitch header |
Optional, has to be shortened from standard height to fit in the Case |
