Plant Light Level PAR Meter
A photosynthetically active radiation meter for plant growers. The 80x60x30mm handheld device measures PAR (400-700nm) in µmol/m²/s. Essential for optimizing grow lights and plant placement. OLED display shows real-time reading and daily light integral. Data logging for plant experiments. This light meter plants project is perfect for makers, DIY enthusiasts, and electronics hobbyists. Search volume: 880/month.
ESP32-S3 Module
Espressif Systems
×1ESP32-S3-MINI-1-N8compute
Why: Main microcontroller for processing light measurements, controlling display, managing data logging, and providing real-time calculations for PAR and daily light integral
Ambient Light Sensor
Broadcom Limited
×1APDS-9306-065sensing
Why: Light sensor for measuring PAR (photosynthetically active radiation) in the 400-700nm range as required for the primary function
OLED Display Module
Orient Display
×1AOM12864A0-0.96WWuser_input
Why: 0.96 inch OLED display for showing real-time PAR readings, daily light integral values, and logged data as required
18650 Battery Holder
MPD (Memory Protection Devices)
×1BK-18650-PC4power_regulation
Why: Battery holder for portable handheld operation as specified in constraints
3.3V Linear Regulator
Shenzhen Slkormicro Semicon Co., Ltd.
×1AMS1117-3.3 SOT-223power_regulation
Why: Voltage regulator to convert 3.7V battery voltage to stable 3.3V for MCU, sensor, and display operation
Power Switch
C&K
×1OS102011MS2QN1power_regulation
Why: On/off switch for handheld device power control
| Part | Why | MPN | Qty | |
|---|---|---|---|---|
| ESP32-S3 Module Espressif Systems |
Main microcontroller for processing light measurements, controlling display, managing data logging, and providing real-time calculations for PAR and daily light integral | ESP32-S3-MINI-1-N8 |
1 | |
| Ambient Light Sensor Broadcom Limited |
Light sensor for measuring PAR (photosynthetically active radiation) in the 400-700nm range as required for the primary function | APDS-9306-065 |
1 | |
| OLED Display Module Orient Display |
0.96 inch OLED display for showing real-time PAR readings, daily light integral values, and logged data as required | AOM12864A0-0.96WW |
1 | |
| 18650 Battery Holder MPD (Memory Protection Devices) |
Battery holder for portable handheld operation as specified in constraints | BK-18650-PC4 |
1 | |
| 3.3V Linear Regulator Shenzhen Slkormicro Semicon Co., Ltd. |
Voltage regulator to convert 3.7V battery voltage to stable 3.3V for MCU, sensor, and display operation | AMS1117-3.3 SOT-223 |
1 | |
| Power Switch C&K |
On/off switch for handheld device power control | OS102011MS2QN1 |
1 |
6 unique parts, 6 total components