1 |
× |
Particle Photon
|
1 |
× |
PN532 NFC reader (Red PCB)
|
1 |
× |
Load Cell (5Kg)
|
1 |
× |
HX711 Load Cell Amplifier (Red PCB - SparkFun version should work)
|
1 |
× |
MMQ8452Q (Blue eBay PCB)
Capacitors / Ceramic
|
1 |
× |
BME280
Optional. Blue eBay PCB Version.
|
1 |
× |
PCB
Grab the Eagle .brd file and send to your favourite PCB Fab house (e.g. OSHPark)
|
1 |
× |
Lithium Battery
3000mAh Flat single sell (3.7V) - Still work in progresss
|
1 |
× |
External Power Connector - Still to be determined
|
1 |
× |
2mm JST SMD Socket to connect battery JST
JP2
|
1 |
× |
SMD Polyfuse
F1
|
2 |
× |
0805 30k
R2, R5
|
1 |
× |
Piezo Buzzer
U5
|
1 |
× |
74AHC1G125
Not used at present
|
1 |
× |
SOT-23 P-Channel MOSFET
Q1 - Not currently used
|
1 |
× |
100R 0805
R1 - Not currently used, R9 - Not currently used
|
2 |
× |
10k 0805
R7 - Not currently used, R18
|
1 |
× |
1k 0805
R10 - Not currently used
|
1 |
× |
1M 0805
R12 - Not currently used
|
1 |
× |
10uF Tant
C1 - Not currently used
|
1 |
× |
2k2 (0r 10k if NFC Pcb resistor removed)
R19
|
2 |
× |
4k7
R3, R4
|
1 |
× |
0.1uF 0805
C6
|
1 |
× |
1k5 0805
R14
|
1 |
× |
330R 0805
R13
|
1 |
× |
Reverse LED 1206 (Any Colour)
D1
|
1 |
× |
Epoxy Resin
Used to seal the top
|
1 |
× |
M4x20 Countersunk
To hold the load cell into the top
|
1 |
× |
M5x16 Countersunk
To hold the load cell to the base
|
1 |
× |
3D Printed case (Top and bottom)
|