HardLabs

LightSensor

dwynnychuk·SmartSmoker·PCB/HOPPER PCB/LightSensorPCB.kicad_pcb

LightSensor PCB layout, top view — open source board by dwynnychuk

About the LightSensor PCB

LightSensor is an open source PCB design by dwynnychuk, published on GitHub. It is a 2-layer board measuring 20 × 20 mm, with 12 components from 10 distinct parts.

Other key parts include the LTR-329ALS-01, 497-16696-1-ND and VL53L3CXV0DH/1. By type, the board carries 5 capacitors, 3 ICs, 2 resistors, 1 connector and 1 diode.

It belongs with the sensors and iot & wireless designs in this gallery.

From the project

Upgrades for Traeger to add smart capability

Lid PCB - Ambient light sensor to detect if the user left the cover off after a cook - IMU to be used as a forward feed input for the PID controller

Hopper PCB - Ambient light sensor to detect if the user left the cover off after a cook - IMU to alert the user if the hopper lid is left open - ToF sensor to read remaining pellet level

Main components on the LightSensor

LTR-329ALS-01497-16696-1-NDVL53L3CXV0DH/1

LightSensor bill of materials (BOM)

12 components, 10 distinct parts.

QtyPartRefs
1
LTR-329ALS-01
Lite-On Inc.
U1
1
497-16696-1-ND
LSM6DSMTR
STMicroelectronics
U2
1
VL53L3CXV0DH/1
STMicroelectronics
U3
1
PRT-14417
Hopper
SparkFun Electronics
J1
1
CSL1901UW1
RED 1.8V 2mA 0603
Rohm Semiconductor
D1
1
CL10A105KA8NNNC
1 uF 25V X5R 0603
Samsung Electro-Mechanics
C1
3
CL10B104KB8NNWC
0.1 uF 50V X7R 0603
Samsung Electro-Mechanics
C2, C3, C5
1
CL21A475KAQNNNE
4.7 uF 25V X5R 0805
Samsung Electro-Mechanics
C4
1
RC0603FR-07750RL
750Ohm 1% 0603
YAGEO
R1
1
RNCP0603FTD10K0
10kOhm 1% 0603
Stackpole Electronics Inc
R2

LightSensor design files

The KiCad project lives in the dwynnychuk/SmartSmoker repository on GitHub; these links point at the commit this page was built from.

LightSensor: common questions

How big is the LightSensor PCB?

The LightSensor measures 20 × 20 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the LightSensor?

12 components, from 10 distinct parts. The full bill of materials is listed on this page.

Where can I download the LightSensor design files?

From the dwynnychuk/SmartSmoker repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the LightSensor design in my own project?

The repository has no license, so all rights stay with dwynnychuk. Use it as a reference, and ask the author before reusing the design.

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